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systemd System and Service Manager
CHANGES WITH 206:
* The systemd-sysctl tool does no longer natively read the
file /etc/sysctl.conf. If desired, the file should be
symlinked from /etc/sysctl.d/99-sysctl.conf. Apart from
providing legacy support by a symlink rather than built-in
code, it also makes the otherwise hidden order of application
of the different files visible.
CHANGES WITH 206:
* The documentation has been updated to cover the various new
concepts introduced with 205.
* Unit files now understand the new %v specifier which
resolves to the kernel version string as returned by "uname
-r".
* systemctl now supports filtering the unit list output by
load state, active state and sub state, using the new
--state= parameter.
* "systemctl status" will now show the results of the
condition checks (like ConditionPathExists= and similar) of
the last start attempts of the unit. They are also logged to
the journal.
* "journalctl -b" may now be used to look for boot output of a
specific boot. Try "journalctl -b -1" for the previous boot,
but the syntax is substantially more powerful.
* "journalctl --show-cursor" has been added which prints the
cursor string the last shown log line. This may then be used
with the new "journalctl --after-cursor=" switch to continue
browsing logs from that point on.
* "journalctl --force" may now be used to force regeneration
of an FSS key.
* Creation of "dead" device nodes has been moved from udev
into kmod and tmpfiles. Previously, udev would read the kmod
databases to pre-generate dead device nodes based on meta
information contained in kernel modules, so that these would
be auto-loaded on access rather then at boot. As this
doesn't really have much to do with the exposing actual
kernel devices to userspace this has always been slightly
alien in the udev codebase. Following the new scheme kmod
will now generate a runtime snippet for tmpfiles from the
module meta information and it now is tmpfiles' job to the
create the nodes. This also allows overriding access and
other parameters for the nodes using the usual tmpfiles
facilities. As side effect this allows us to remove the
CAP_SYS_MKNOD capability bit from udevd entirely.
* logind's device ACLs may now be applied to these "dead"
devices nodes too, thus finally allowing managed access to
devices such as /dev/snd/sequencer whithout loading the
backing module right-away.
* A new RPM macro has been added that may be used to apply
tmpfiles configuration during package installation.
* systemd-detect-virt and ConditionVirtualization= now can
detect User-Mode-Linux machines (UML).
* journald will now implicitly log the effective capabilities
set of processes in the message metadata.
* systemd-cryptsetup has gained support for TrueCrypt volumes.
* The initrd interface has been simplified (more specifically,
support for passing performance data via environment
variables and fsck results via files in /run has been
removed). These features were non-essential, and are
nowadays available in a much nicer way by having systemd in
the initrd serialize its state and have the hosts systemd
deserialize it again.
* The udev "keymap" data files and tools to apply keyboard
specific mappings of scan to key codes, and force-release
scan code lists have been entirely replaced by a udev
"keyboard" builtin and a hwdb data file.
* systemd will now honour the kernel's "quiet" command line
argument also during late shutdown, resulting in a
completely silent shutdown when used.
* There's now an option to control the SO_REUSEPORT socket
option in .socket units.
* Instance units will now automatically get a per-template
subslice of system.slice unless something else is explicitly
configured. For example, instances of sshd@.service will now
implicitly be placed in system-sshd.slice rather than
system.slice as before.
* Test coverage support may now be enabled at build time.
Contributions from: Dave Reisner, Frederic Crozat, Harald
Hoyer, Holger Hans Peter Freyther, Jan Engelhardt, Jan
Janssen, Jason St. John, Jesper Larsen, Kay Sievers, Lennart
Poettering, Lukas Nykryn, Maciej Wereski, Martin Pitt, Michael
Olbrich, Ramkumar Ramachandra, Ross Lagerwall, Shawn Landden,
Thomas H.P. Andersen, Tom Gundersen, Tomasz Torcz, William
Giokas, Zbigniew Jędrzejewski-Szmek
CHANGES WITH 205:
* Two new unit types have been introduced:
Scope units are very similar to service units, however, are
created out of pre-existing processes -- instead of PID 1
forking off the processes. By using scope units it is
possible for system services and applications to group their
own child processes (worker processes) in a powerful way
which then maybe used to organize them, or kill them
together, or apply resource limits on them.
Slice units may be used to partition system resources in an
hierarchial fashion and then assign other units to them. By
default there are now three slices: system.slice (for all
system services), user.slice (for all user sessions),
machine.slice (for VMs and containers).
Slices and scopes have been introduced primarily in
context of the work to move cgroup handling to a
single-writer scheme, where only PID 1
creates/removes/manages cgroups.
* There's a new concept of "transient" units. In contrast to
normal units these units are created via an API at runtime,
not from configuration from disk. More specifically this
means it is now possible to run arbitrary programs as
independent services, with all execution parameters passed
in via bus APIs rather than read from disk. Transient units
make systemd substantially more dynamic then it ever was,
and useful as a general batch manager.
* logind has been updated to make use of scope and slice units
for managing user sessions. As a user logs in he will get
his own private slice unit, to which all sessions are added
as scope units. We also added support for automatically
adding an instance of user@.service for the user into the
slice. Effectively logind will no longer create cgroup
hierarchies on its own now, it will defer entirely to PID 1
for this by means of scope, service and slice units. Since
user sessions this way become entities managed by PID 1
the output of "systemctl" is now a lot more comprehensive.
* A new mini-daemon "systemd-machined" has been added which
may be used by virtualization managers to register local
VMs/containers. nspawn has been updated accordingly, and
libvirt will be updated shortly. machined will collect a bit
of meta information about the VMs/containers, and assign
them their own scope unit (see above). The collected
meta-data is then made available via the "machinectl" tool,
and exposed in "ps" and similar tools. machined/machinectl
is compile-time optional.
* As discussed earlier, the low-level cgroup configuration
options ControlGroup=, ControlGroupModify=,
ControlGroupPersistent=, ControlGroupAttribute= have been
removed. Please use high-level attribute settings instead as
well as slice units.
* A new bus call SetUnitProperties() has been added to alter
various runtime parameters of a unit. This is primarily
useful to alter cgroup parameters dynamically in a nice way,
but will be extended later on to make more properties
modifiable at runtime. systemctl gained a new set-properties
command that wraps this call.
* A new tool "systemd-run" has been added which can be used to
run arbitrary command lines as transient services or scopes,
while configuring a number of settings via the command
line. This tool is currently very basic, however already
very useful. We plan to extend this tool to even allow
queuing of execution jobs with time triggers from the
command line, similar in fashion to "at".
* nspawn will now inform the user explicitly that kernels with
audit enabled break containers, and suggest the user to turn
off audit.
* Support for detecting the IMA and AppArmor security
frameworks with ConditionSecurity= has been added.
* journalctl gained a new "-k" switch for showing only kernel
messages, mimicking dmesg output; in addition to "--user"
and "--system" switches for showing only user's own logs
and system logs.
* systemd-delta can now show information about drop-in
snippets extending unit files.
* libsystemd-bus has been substantially updated but is still
not available as public API.
* systemd will now look for the "debug" argument on the kernel
command line and enable debug logging, similar to
"systemd.log_level=debug" already did before.
* "systemctl set-default", "systemctl get-default" has been
added to configure the default.target symlink, which
controls what to boot into by default.
* "systemctl set-log-level" has been added as a convenient
way to raise and lower systemd logging threshold.
* "systemd-analyze plot" will now show the time the various
generators needed for execution, as well as information
about the unit file loading.
* libsystemd-journal gained a new sd_journal_open_files() call
for opening specific journal files. journactl also gained a
new switch to expose this new functionality. Previously we
only supported opening all files from a directory, or all
files from the system, as opening individual files only is
racy due to journal file rotation.
* systemd gained the new DefaultEnvironment= setting in
/etc/systemd/system.conf to set environment variables for
all services.
* If a privileged process logs a journal message with the
OBJECT_PID= field set, then journald will automatically
augment this with additional OBJECT_UID=, OBJECT_GID=,
OBJECT_COMM=, OBJECT_EXE=, ... fields. This is useful if
system services want to log events about specific client
processes. journactl/systemctl has been updated to make use
of this information if all log messages regarding a specific
unit is requested.
Contributions from: Auke Kok, Chengwei Yang, Colin Walters,
Cristian Rodríguez, Daniel Albers, Daniel Wallace, Dave
Reisner, David Coppa, David King, David Strauss, Eelco
Dolstra, Gabriel de Perthuis, Harald Hoyer, Jan Alexander
Steffens, Jan Engelhardt, Jan Janssen, Jason St. John, Johan
Heikkilä, Karel Zak, Karol Lewandowski, Kay Sievers, Lennart
Poettering, Lukas Nykryn, Mantas Mikulėnas, Marius Vollmer,
Martin Pitt, Michael Biebl, Michael Olbrich, Michael Tremer,
Michal Schmidt, Michał Bartoszkiewicz, Nirbheek Chauhan,
Pierre Neidhardt, Ross Burton, Ross Lagerwall, Sean McGovern,
Thomas Hindoe Paaboel Andersen, Tom Gundersen, Umut Tezduyar,
Václav Pavlín, Zachary Cook, Zbigniew Jędrzejewski-Szmek,
Łukasz Stelmach, 장동준
CHANGES WITH 204:
* The Python bindings gained some minimal support for the APIs
exposed by libsystemd-logind.
* ConditionSecurity= gained support for detecting SMACK. Since
this condition already supports SELinux and AppArmor we only
miss IMA for this. Patches welcome!
Contributions from: Karol Lewandowski, Lennart Poettering,
Zbigniew Jędrzejewski-Szmek
CHANGES WITH 203:
* systemd-nspawn will now create /etc/resolv.conf if
necessary, before bind-mounting the host's file onto it.
* systemd-nspawn will now store meta information about a
container on the container's cgroup as extended attribute
fields, including the root directory.
* The cgroup hierarchy has been reworked in many ways. All
objects any of the components systemd creates in the cgroup
tree are now suffixed. More specifically, user sessions are
now placed in cgroups suffixed with ".session", users in
cgroups suffixed with ".user", and nspawn containers in
cgroups suffixed with ".nspawn". Furthermore, all cgroup
names are now escaped in a simple scheme to avoid collision
of userspace object names with kernel filenames. This work
is preparation for making these objects relocatable in the
cgroup tree, in order to allow easy resource partitioning of
these objects without causing naming conflicts.
* systemctl list-dependencies gained the new switches
--plain, --reverse, --after and --before.
* systemd-inhibit now shows the process name of processes that
have taken an inhibitor lock.
* nss-myhostname will now also resolve "localhost"
implicitly. This makes /etc/hosts an optional file and
nicely handles that on IPv6 ::1 maps to both "localhost" and
the local hostname.
* libsystemd-logind.so gained a new call
sd_get_machine_names() to enumerate running containers and
VMs (currently only supported by very new libvirt and
nspawn). sd_login_monitor can now be used to watch
VMs/containers coming and going.
* .include is not allowed recursively anymore, and only in
unit files. Usually it is better to use drop-in snippets in
.d/*.conf anyway, as introduced with systemd 198.
* systemd-analyze gained a new "critical-chain" command that
determines the slowest chain of units run during system
boot-up. It is very useful for tracking down where
optimizing boot time is the most beneficial.
* systemd will no longer allow manipulating service paths in
the name=systemd:/system cgroup tree using ControlGroup= in
units. (But is still fine with it in all other dirs.)
* There's a new systemd-nspawn@.service service file that may
be used to easily run nspawn containers as system
services. With the container's root directory in
/var/lib/container/foobar it is now sufficient to run
"systemctl start systemd-nspawn@foobar.service" to boot it.
* systemd-cgls gained a new parameter "--machine" to list only
the processes within a certain container.
* ConditionSecurity= now can check for "apparmor". We still
are lacking checks for SMACK and IMA for this condition
check though. Patches welcome!
* A new configuration file /etc/systemd/sleep.conf has been
added that may be used to configure which kernel operation
systemd is supposed to execute when "suspend", "hibernate"
or "hybrid-sleep" is requested. This makes the new kernel
"freeze" state accessible to the user.
* ENV{SYSTEMD_WANTS} in udev rules will now implicitly escape
the passed argument if applicable.
Contributions from: Auke Kok, Colin Guthrie, Colin Walters,
Cristian Rodríguez, Daniel Buch, Daniel Wallace, Dave Reisner,
Evangelos Foutras, Greg Kroah-Hartman, Harald Hoyer, Josh
Triplett, Kay Sievers, Lennart Poettering, Lukas Nykryn,
MUNEDA Takahiro, Mantas Mikulėnas, Mirco Tischler, Nathaniel
Chen, Nirbheek Chauhan, Ronny Chevalier, Ross Lagerwall, Tom
Gundersen, Umut Tezduyar, Ville Skyttä, Zbigniew
Jędrzejewski-Szmek
CHANGES WITH 202:
* The output of 'systemctl list-jobs' got some polishing. The
'--type=' argument may now be passed more than once. A new
command 'systemctl list-sockets' has been added which shows
a list of kernel sockets systemd is listening on with the
socket units they belong to, plus the units these socket
units activate.
* The experimental libsystemd-bus library got substantial
updates to work in conjunction with the (also experimental)
kdbus kernel project. It works well enough to exchange
messages with some sophistication. Note that kdbus is not
ready yet, and the library is mostly an elaborate test case
for now, and not installable.
* systemd gained a new unit 'systemd-static-nodes.service'
that generates static device nodes earlier during boot, and
can run in conjunction with udev.
* libsystemd-login gained a new call sd_pid_get_user_unit()
to retrieve the user systemd unit a process is running
in. This is useful for systems where systemd is used as
session manager.
* systemd-nspawn now places all containers in the new /machine
top-level cgroup directory in the name=systemd
hierarchy. libvirt will soon do the same, so that we get a
uniform separation of /system, /user and /machine for system
services, user processes and containers/virtual
machines. This new cgroup hierarchy is also useful to stick
stable names to specific container instances, which can be
recognized later this way (this name may be controlled
via systemd-nspawn's new -M switch). libsystemd-login also
gained a new call sd_pid_get_machine_name() to retrieve the
name of the container/VM a specific process belongs to.
* bootchart can now store its data in the journal.
* libsystemd-journal gained a new call
sd_journal_add_conjunction() for AND expressions to the
matching logic. This can be used to express more complex
logical expressions.
* journactl can now take multiple --unit= and --user-unit=
switches.
* The cryptsetup logic now understands the "luks.key=" kernel
command line switch for specifying a file to read the
decryption key from. Also, if a configured key file is not
found the tool will now automatically fall back to prompting
the user.
* Python systemd.journal module was updated to wrap recently
added functions from libsystemd-journal. The interface was
changed to bring the low level interface in s.j._Reader
closer to the C API, and the high level interface in
s.j.Reader was updated to wrap and convert all data about
an entry.
Contributions from: Anatol Pomozov, Auke Kok, Harald Hoyer,
Henrik Grindal Bakken, Josh Triplett, Kay Sievers, Lennart
Poettering, Lukas Nykryn, Mantas Mikulėnas Marius Vollmer,
Martin Jansa, Martin Pitt, Michael Biebl, Michal Schmidt,
Mirco Tischler, Pali Rohar, Simon Peeters, Steven Hiscocks,
Tom Gundersen, Zbigniew Jędrzejewski-Szmek
CHANGES WITH 201:
* journalctl --update-catalog now understands a new --root=
option to operate on catalogs found in a different root
directory.
* During shutdown after systemd has terminated all running
services a final killing loop kills all remaining left-over
processes. We will now print the name of these processes
when we send SIGKILL to them, since this usually indicates a
problem.
* If /etc/crypttab refers to password files stored on
configured mount points automatic dependencies will now be
generated to ensure the specific mount is established first
before the key file is attempted to be read.
* 'systemctl status' will now show information about the
network sockets a socket unit is listening on.
* 'systemctl status' will also shown information about any
drop-in configuration file for units. (Drop-In configuration
files in this context are files such as
/etc/systemd/systemd/foobar.service.d/*.conf)
* systemd-cgtop now optionally shows summed up CPU times of
cgroups. Press '%' while running cgtop to switch between
percentage and absolute mode. This is useful to determine
which cgroups use up the most CPU time over the entire
runtime of the system. systemd-cgtop has also been updated
to be 'pipeable' for processing with further shell tools.
* 'hostnamectl set-hostname' will now allow setting of FQDN
hostnames.
* The formatting and parsing of time span values has been
changed. The parser now understands fractional expressions
such as "5.5h". The formatter will now output fractional
expressions for all time spans under 1min, i.e. "5.123456s"
rather than "5s 123ms 456us". For time spans under 1s
millisecond values are shown, for those under 1ms
microsecond values are shown. This should greatly improve
all time-related output of systemd.
* libsystemd-login and libsystemd-journal gained new
functions for querying the poll() events mask and poll()
timeout value for integration into arbitrary event
loops.
* localectl gained the ability to list available X11 keymaps
(models, layouts, variants, options).
* 'systemd-analyze dot' gained the ability to filter for
specific units via shell-style globs, to create smaller,
more useful graphs. I.e. it's now possible to create simple
graphs of all the dependencies between only target units, or
of all units that Avahi has dependencies with.
Contributions from: Cristian Rodríguez, Dr. Tilmann Bubeck,
Harald Hoyer, Holger Hans Peter Freyther, Kay Sievers, Kelly
Anderson, Koen Kooi, Lennart Poettering, Maksim Melnikau,
Marc-Antoine Perennou, Marius Vollmer, Martin Pitt, Michal
Schmidt, Oleksii Shevchuk, Ronny Chevalier, Simon McVittie,
Steven Hiscocks, Thomas Weißschuh, Umut Tezduyar, Václav
Pavlín, Zbigniew Jędrzejewski-Szmek, Łukasz Stelmach
CHANGES WITH 200:
* The boot-time readahead implementation for rotating media
will now read the read-ahead data in multiple passes which
consist of all read requests made in equidistant time
intervals. This means instead of strictly reading read-ahead
data in its physical order on disk we now try to find a
middle ground between physical and access time order.
* /etc/os-release files gained a new BUILD_ID= field for usage
on operating systems that provide continuous builds of OS
images.
Contributions from: Auke Kok, Eelco Dolstra, Kay Sievers,
Lennart Poettering, Lukas Nykryn, Martin Pitt, Václav Pavlín
William Douglas, Zbigniew Jędrzejewski-Szmek
CHANGES WITH 199:
* systemd-python gained an API exposing libsystemd-daemon.
* The SMACK setup logic gained support for uploading CIPSO
security policy.
* Behaviour of PrivateTmp=, ReadWriteDirectories=,
ReadOnlyDirectories= and InaccessibleDirectories= has
changed. The private /tmp and /var/tmp directories are now
shared by all processes of a service (which means
ExecStartPre= may now leave data in /tmp that ExecStart= of
the same service can still access). When a service is
stopped its temporary directories are immediately deleted
(normal clean-up with tmpfiles is still done in addition to
this though).
* By default, systemd will now set a couple of sysctl
variables in the kernel: the safe sysrq options are turned
on, IP route verification is turned on, and source routing
disabled. The recently added hardlink and softlink
protection of the kernel is turned on. These settings should
be reasonably safe, and good defaults for all new systems.
* The predictable network naming logic may now be turned off
with a new kernel command line switch: net.ifnames=0.
* A new libsystemd-bus module has been added that implements a
pretty complete D-Bus client library. For details see:
http://lists.freedesktop.org/archives/systemd-devel/2013-March/009797.html
* journald will now explicitly flush the journal files to disk
at the latest 5min after each write. The file will then also
be marked offline until the next write. This should increase
reliability in case of a crash. The synchronization delay
can be configured via SyncIntervalSec= in journald.conf.
* There's a new remote-fs-setup.target unit that can be used
to pull in specific services when at least one remote file
system is to be mounted.
* There are new targets timers.target and paths.target as
canonical targets to pull user timer and path units in
from. This complements sockets.target with a similar
purpose for socket units.
* libudev gained a new call udev_device_set_attribute_value()
to set sysfs attributes of a device.
* The udev daemon now sets the default number of worker
processes executed in parallel based on the number of available
CPUs instead of the amount of available RAM. This is supposed
to provide a more reliable default and limit a too aggressive
paralellism for setups with 1000s of devices connected.
Contributions from: Auke Kok, Colin Walters, Cristian
Rodríguez, Daniel Buch, Dave Reisner, Frederic Crozat, Hannes
Reinecke, Harald Hoyer, Jan Alexander Steffens, Jan
Engelhardt, Josh Triplett, Kay Sievers, Lennart Poettering,
Mantas Mikulėnas, Martin Pitt, Mathieu Bridon, Michael Biebl,
Michal Schmidt, Michal Sekletar, Miklos Vajna, Nathaniel Chen,
Oleksii Shevchuk, Ozan Çağlayan, Thomas Hindoe Paaboel
Andersen, Tollef Fog Heen, Tom Gundersen, Umut Tezduyar,
Zbigniew Jędrzejewski-Szmek
CHANGES WITH 198:
* Configuration of unit files may now be extended via drop-in
files without having to edit/override the unit files
themselves. More specifically, if the administrator wants to
change one value for a service file foobar.service he can
now do so by dropping in a configuration snippet into
/etc/systemd/system/foobar.service.d/*.conf. The unit logic
will load all these snippets and apply them on top of the
main unit configuration file, possibly extending or
overriding its settings. Using these drop-in snippets is
generally nicer than the two earlier options for changing
unit files locally: copying the files from
/usr/lib/systemd/system/ to /etc/systemd/system/ and editing
them there; or creating a new file in /etc/systemd/system/
that incorporates the original one via ".include". Drop-in
snippets into these .d/ directories can be placed in any
directory systemd looks for units in, and the usual
overriding semantics between /usr/lib, /etc and /run apply
for them too.
* Most unit file settings which take lists of items can now be
reset by assigning the empty string to them. For example,
normally, settings such as Environment=FOO=BAR append a new
environment variable assignment to the environment block,
each time they are used. By assigning Environment= the empty
string the environment block can be reset to empty. This is
particularly useful with the .d/*.conf drop-in snippets
mentioned above, since this adds the ability to reset list
settings from vendor unit files via these drop-ins.
* systemctl gained a new "list-dependencies" command for
listing the dependencies of a unit recursively.
* Inhibitors are now honored and listed by "systemctl
suspend", "systemctl poweroff" (and similar) too, not only
GNOME. These commands will also list active sessions by
other users.
* Resource limits (as exposed by the various control group
controllers) can now be controlled dynamically at runtime
for all units. More specifically, you can now use a command
like "systemctl set-cgroup-attr foobar.service cpu.shares
2000" to alter the CPU shares a specific service gets. These
settings are stored persistently on disk, and thus allow the
administrator to easily adjust the resource usage of
services with a few simple commands. This dynamic resource
management logic is also available to other programs via the
bus. Almost any kernel cgroup attribute and controller is
supported.
* systemd-vconsole-setup will now copy all font settings to
all allocated VTs, where it previously applied them only to
the foreground VT.
* libsystemd-login gained the new sd_session_get_tty() API
call.
* This release drops support for a few legacy or
distribution-specific LSB facility names when parsing init
scripts: $x-display-manager, $mail-transfer-agent,
$mail-transport-agent, $mail-transfer-agent, $smtp,
$null. Also, the mail-transfer-agent.target unit backing
this has been removed. Distributions which want to retain
compatibility with this should carry the burden for
supporting this themselves and patch support for these back
in, if they really need to. Also, the facilities $syslog and
$local_fs are now ignored, since systemd does not support
early-boot LSB init scripts anymore, and these facilities
are implied anyway for normal services. syslog.target has
also been removed.
* There are new bus calls on PID1's Manager object for
cancelling jobs, and removing snapshot units. Previously,
both calls were only available on the Job and Snapshot
objects themselves.
* systemd-journal-gatewayd gained SSL support.
* The various "environment" files, such as /etc/locale.conf
now support continuation lines with a backslash ("\") as
last character in the line, similar in style (but different)
to how this is supported in shells.
* For normal user processes the _SYSTEMD_USER_UNIT= field is
now implicitly appended to every log entry logged. systemctl
has been updated to filter by this field when operating on a
user systemd instance.
* nspawn will now implicitly add the CAP_AUDIT_WRITE and
CAP_AUDIT_CONTROL capabilities to the capabilities set for
the container. This makes it easier to boot unmodified
Fedora systems in a container, which however still requires
audit=0 to be passed on the kernel command line. Auditing in
kernel and userspace is unfortunately still too broken in
context of containers, hence we recommend compiling it out
of the kernel or using audit=0. Hopefully this will be fixed
one day for good in the kernel.
* nspawn gained the new --bind= and --bind-ro= parameters to
bind mount specific directories from the host into the
container.
* nspawn will now mount its own devpts file system instance
into the container, in order not to leak pty devices from
the host into the container.
* systemd will now read the firmware boot time performance
information from the EFI variables, if the used boot loader
supports this, and takes it into account for boot performance
analysis via "systemd-analyze". This is currently supported
only in conjunction with Gummiboot, but could be supported
by other boot loaders too. For details see:
http://www.freedesktop.org/wiki/Software/systemd/BootLoaderInterface
* A new generator has been added that automatically mounts the
EFI System Partition (ESP) to /boot, if that directory
exists, is empty, and no other file system has been
configured to be mounted there.
* logind will now send out PrepareForSleep(false) out
unconditionally, after coming back from suspend. This may be
used by applications as asynchronous notification for
system resume events.
* "systemctl unlock-sessions" has been added, that allows
unlocking the screens of all user sessions at once, similar
how "systemctl lock-sessions" already locked all users
sessions. This is backed by a new D-Bus call UnlockSessions().
* "loginctl seat-status" will now show the master device of a
seat. (i.e. the device of a seat that needs to be around for
the seat to be considered available, usually the graphics
card).
* tmpfiles gained a new "X" line type, that allows
configuration of files and directories (with wildcards) that
shall be excluded from automatic cleanup ("aging").
* udev default rules set the device node permissions now only
at "add" events, and do not change them any longer with a
later "change" event.
* The log messages for lid events and power/sleep keypresses
now carry a message ID.
* We now have a substantially larger unit test suite, but this
continues to be work in progress.
* udevadm hwdb gained a new --root= parameter to change the
root directory to operate relative to.
* logind will now issue a background sync() request to the kernel
early at shutdown, so that dirty buffers are flushed to disk early
instead of at the last moment, in order to optimize shutdown
times a little.
* A new bootctl tool has been added that is an interface for
certain boot loader operations. This is currently a preview
and is likely to be extended into a small mechanism daemon
like timedated, localed, hostnamed, and can be used by
graphical UIs to enumerate available boot options, and
request boot into firmware operations.
* systemd-bootchart has been relicensed to LGPLv2.1+ to match
the rest of the package. It also has been updated to work
correctly in initrds.
* Policykit previously has been runtime optional, and is now
also compile time optional via a configure switch.
* systemd-analyze has been reimplemented in C. Also "systemctl
dot" has moved into systemd-analyze.
* "systemctl status" with no further parameters will now print
the status of all active or failed units.
* Operations such as "systemctl start" can now be executed
with a new mode "--irreversible" which may be used to queue
operations that cannot accidentally be reversed by a later
job queuing. This is by default used to make shutdown
requests more robust.
* The Python API of systemd now gained a new module for
reading journal files.
* A new tool kernel-install has been added that can install
kernel images according to the Boot Loader Specification:
http://www.freedesktop.org/wiki/Specifications/BootLoaderSpec
* Boot time console output has been improved to provide
animated boot time output for hanging jobs.
* A new tool systemd-activate has been added which can be used
to test socket activation with, directly from the command
line. This should make it much easier to test and debug
socket activation in daemons.
* journalctl gained a new "--reverse" (or -r) option to show
journal output in reverse order (i.e. newest line first).
* journalctl gained a new "--pager-end" (or -e) option to jump
to immediately jump to the end of the journal in the
pager. This is only supported in conjunction with "less".
* journalctl gained a new "--user-unit=" option, that works
similar to "--unit=" but filters for user units rather than
system units.
* A number of unit files to ease adoption of systemd in
initrds has been added. This moves some minimal logic from
the various initrd implementations into systemd proper.
* The journal files are now owned by a new group
"systemd-journal", which exists specifically to allow access
to the journal, and nothing else. Previously, we used the
"adm" group for that, which however possibly covers more
than just journal/log file access. This new group is now
already used by systemd-journal-gatewayd to ensure this
daemon gets access to the journal files and as little else
as possible. Note that "make install" will also set FS ACLs
up for /var/log/journal to give "adm" and "wheel" read
access to it, in addition to "systemd-journal" which owns
the journal files. We recommend that packaging scripts also
add read access to "adm" + "wheel" to /var/log/journal, and
all existing/future journal files. To normal users and
administrators little changes, however packagers need to
ensure to create the "systemd-journal" system group at
package installation time.
* The systemd-journal-gatewayd now runs as unprivileged user
systemd-journal-gateway:systemd-journal-gateway. Packaging
scripts need to create these system user/group at
installation time.
* timedated now exposes a new boolean property CanNTP that
indicates whether a local NTP service is available or not.
* systemd-detect-virt will now also detect xen PVs
* The pstore file system is now mounted by default, if it is
available.
* In addition to the SELinux and IMA policies we will now also
load SMACK policies at early boot.
Contributions from: Adel Gadllah, Aleksander Morgado, Auke
Kok, Ayan George, Bastien Nocera, Colin Walters, Daniel Buch,
Daniel Wallace, Dave Reisner, David Herrmann, David Strauss,
Eelco Dolstra, Enrico Scholz, Frederic Crozat, Harald Hoyer,
Jan Janssen, Jonathan Callen, Kay Sievers, Lennart Poettering,
Lukas Nykryn, Mantas Mikulėnas, Marc-Antoine Perennou, Martin
Pitt, Mauro Dreissig, Max F. Albrecht, Michael Biebl, Michael
Olbrich, Michal Schmidt, Michal Sekletar, Michal Vyskocil,
Michał Bartoszkiewicz, Mirco Tischler, Nathaniel Chen, Nestor
Ovroy, Oleksii Shevchuk, Paul W. Frields, Piotr Drąg, Rob
Clark, Ryan Lortie, Simon McVittie, Simon Peeters, Steven
Hiscocks, Thomas Hindoe Paaboel Andersen, Tollef Fog Heen, Tom
Gundersen, Umut Tezduyar, William Giokas, Zbigniew
Jędrzejewski-Szmek, Zeeshan Ali (Khattak)
CHANGES WITH 197:
* Timer units now support calendar time events in addition to
monotonic time events. That means you can now trigger a unit
based on a calendar time specification such as "Thu,Fri
2013-*-1,5 11:12:13" which refers to 11:12:13 of the first
or fifth day of any month of the year 2013, given that it is
a thursday or friday. This brings timer event support
considerably closer to cron's capabilities. For details on
the supported calendar time specification language see
systemd.time(7).
* udev now supports a number of different naming policies for
network interfaces for predictable names, and a combination
of these policies is now the default. Please see this wiki
document for details:
http://www.freedesktop.org/wiki/Software/systemd/PredictableNetworkInterfaceNames
* Auke Kok's bootchart implementation has been added to the
systemd tree. It's an optional component that can graph the
boot in quite some detail. It's one of the best bootchart
implementations around and minimal in its code and
dependencies.
* nss-myhostname has been integrated into the systemd source
tree. nss-myhostname guarantees that the local hostname
always stays resolvable via NSS. It has been a weak
requirement of systemd-hostnamed since a long time, and
since its code is actually trivial we decided to just
include it in systemd's source tree. It can be turned off
with a configure switch.
* The read-ahead logic is now capable of properly detecting
whether a btrfs file system is on SSD or rotating media, in
order to optimize the read-ahead scheme. Previously, it was
only capable of detecting this on traditional file systems
such as ext4.
* In udev, additional device properties are now read from the
IAB in addition to the OUI database. Also, Bluetooth company
identities are attached to the devices as well.
* In service files %U may be used as specifier that is
replaced by the configured user name of the service.
* nspawn may now be invoked without a controlling TTY. This
makes it suitable for invocation as its own service. This
may be used to set up a simple containerized server system
using only core OS tools.
* systemd and nspawn can now accept socket file descriptors
when they are started for socket activation. This enables
implementation of socket activated nspawn
containers. i.e. think about autospawning an entire OS image
when the first SSH or HTTP connection is received. We expect
that similar functionality will also be added to libvirt-lxc
eventually.
* journalctl will now suppress ANSI color codes when
presenting log data.
* systemctl will no longer show control group information for
a unit if a the control group is empty anyway.
* logind can now automatically suspend/hibernate/shutdown the
system on idle.
* /etc/machine-info and hostnamed now also expose the chassis
type of the system. This can be used to determine whether
the local system is a laptop, desktop, handset or
tablet. This information may either be configured by the
user/vendor or is automatically determined from ACPI and DMI
information if possible.
* A number of PolicyKit actions are now bound together with
"imply" rules. This should simplify creating UIs because
many actions will now authenticate similar ones as well.
* Unit files learnt a new condition ConditionACPower= which
may be used to conditionalize a unit depending on whether an
AC power source is connected or not, of whether the system
is running on battery power.
* systemctl gained a new "is-failed" verb that may be used in
shell scripts and suchlike to check whether a specific unit
is in the "failed" state.
* The EnvironmentFile= setting in unit files now supports file
globbing, and can hence be used to easily read a number of
environment files at once.
* systemd will no longer detect and recognize specific
distributions. All distribution-specific #ifdeffery has been
removed, systemd is now fully generic and
distribution-agnostic. Effectively, not too much is lost as
a lot of the code is still accessible via explicit configure
switches. However, support for some distribution specific
legacy configuration file formats has been dropped. We
recommend distributions to simply adopt the configuration
files everybody else uses now and convert the old
configuration from packaging scripts. Most distributions
already did that. If that's not possible or desirable,
distributions are welcome to forward port the specific
pieces of code locally from the git history.
* When logging a message about a unit systemd will now always
log the unit name in the message meta data.
* localectl will now also discover system locale data that is
not stored in locale archives, but directly unpacked.
* logind will no longer unconditionally use framebuffer
devices as seat masters, i.e. as devices that are required
to be existing before a seat is considered preset. Instead,
it will now look for all devices that are tagged as
"seat-master" in udev. By default framebuffer devices will
be marked as such, but depending on local systems other
devices might be marked as well. This may be used to
integrate graphics cards using closed source drivers (such
as NVidia ones) more nicely into logind. Note however, that
we recommend using the open source NVidia drivers instead,
and no udev rules for the closed-source drivers will be
shipped from us upstream.
Contributions from: Adam Williamson, Alessandro Crismani, Auke
Kok, Colin Walters, Daniel Wallace, Dave Reisner, David
Herrmann, David Strauss, Dimitrios Apostolou, Eelco Dolstra,
Eric Benoit, Giovanni Campagna, Hannes Reinecke, Henrik
Grindal Bakken, Hermann Gausterer, Kay Sievers, Lennart
Poettering, Lukas Nykryn, Mantas Mikulėnas, Marcel Holtmann,
Martin Pitt, Matthew Monaco, Michael Biebl, Michael Terry,
Michal Schmidt, Michal Sekletar, Michał Bartoszkiewicz, Oleg
Samarin, Pekka Lundstrom, Philip Nilsson, Ramkumar
Ramachandra, Richard Yao, Robert Millan, Sami Kerola, Shawn
Landden, Thomas Hindoe Paaboel Andersen, Thomas Jarosch,
Tollef Fog Heen, Tom Gundersen, Umut Tezduyar, Zbigniew
Jędrzejewski-Szmek
CHANGES WITH 196:
* udev gained support for loading additional device properties
from an indexed database that is keyed by vendor/product IDs
and similar device identifiers. For the beginning this
"hwdb" is populated with data from the well-known PCI and
USB database, but also includes PNP, ACPI and OID data. In
the longer run this indexed database shall grow into
becoming the one central database for non-essential
userspace device metadata. Previously, data from the PCI/USB
database was only attached to select devices, since the
lookup was a relatively expensive operation due to O(n) time
complexity (with n being the number of entries in the
database). Since this is now O(1), we decided to add in this
data for all devices where this is available, by
default. Note that the indexed database needs to be rebuilt
when new data files are installed. To achieve this you need
to update your packaging scripts to invoke "udevadm hwdb
--update" after installation of hwdb data files. For
RPM-based distributions we introduced the new
%udev_hwdb_update macro for this purpose.
* The Journal gained support for the "Message Catalog", an
indexed database to link up additional information with
journal entries. For further details please check:
http://www.freedesktop.org/wiki/Software/systemd/catalog
The indexed message catalog database also needs to be
rebuilt after installation of message catalog files. Use
"journalctl --update-catalog" for this. For RPM-based
distributions we introduced the %journal_catalog_update
macro for this purpose.
* The Python Journal bindings gained support for the standard
Python logging framework.
* The Journal API gained new functions for checking whether
the underlying file system of a journal file is capable of
properly reporting file change notifications, or whether
applications that want to reflect journal changes "live"
need to recheck journal files continuously in appropriate
time intervals.
* It is now possible to set the "age" field for tmpfiles
entries to 0, indicating that files matching this entry
shall always be removed when the directories are cleaned up.
* coredumpctl gained a new "gdb" verb which invokes gdb
right-away on the selected coredump.
* There's now support for "hybrid sleep" on kernels that
support this, in addition to "suspend" and "hibernate". Use
"systemctl hybrid-sleep" to make use of this.
* logind's HandleSuspendKey= setting (and related settings)
now gained support for a new "lock" setting to simply
request the screen lock on all local sessions, instead of
actually executing a suspend or hibernation.
* systemd will now mount the EFI variables file system by
default.
* Socket units now gained support for configuration of the
SMACK security label.
* timedatectl will now output the time of the last and next
daylight saving change.
* We dropped support for various legacy and distro-specific
concepts, such as insserv, early-boot SysV services
(i.e. those for non-standard runlevels such as 'b' or 'S')
or ArchLinux /etc/rc.conf support. We recommend the
distributions who still need support this to either continue
to maintain the necessary patches downstream, or find a
different solution. (Talk to us if you have questions!)
* Various systemd components will now bypass PolicyKit checks
for root and otherwise handle properly if PolicyKit is not
found to be around. This should fix most issues for
PolicyKit-less systems. Quite frankly this should have been
this way since day one. It is absolutely our intention to
make systemd work fine on PolicyKit-less systems, and we
consider it a bug if something doesn't work as it should if
PolicyKit is not around.
* For embedded systems it is now possible to build udev and
systemd without blkid and/or kmod support.
* "systemctl switch-root" is now capable of switching root
more than once. I.e. in addition to transitions from the
initrd to the host OS it is now possible to transition to
further OS images from the host. This is useful to implement
offline updating tools.
* Various other additions have been made to the RPM macros
shipped with systemd. Use %udev_rules_update() after
installing new udev rules files. %_udevhwdbdir,
%_udevrulesdir, %_journalcatalogdir, %_tmpfilesdir,
%_sysctldir are now available which resolve to the right
directories for packages to place various data files in.
* journalctl gained the new --full switch (in addition to
--all, to disable ellipsation for long messages.
Contributions from: Anders Olofsson, Auke Kok, Ben Boeckel,
Colin Walters, Cosimo Cecchi, Daniel Wallace, Dave Reisner,
Eelco Dolstra, Holger Hans Peter Freyther, Kay Sievers,
Chun-Yi Lee, Lekensteyn, Lennart Poettering, Mantas Mikulėnas,
Marti Raudsepp, Martin Pitt, Mauro Dreissig, Michael Biebl,
Michal Schmidt, Michal Sekletar, Miklos Vajna, Nis Martensen,
Oleksii Shevchuk, Olivier Brunel, Ramkumar Ramachandra, Thomas
Bächler, Thomas Hindoe Paaboel Andersen, Tom Gundersen, Tony
Camuso, Umut Tezduyar, Zbigniew Jędrzejewski-Szmek
CHANGES WITH 195:
* journalctl gained new --since= and --until= switches to
filter by time. It also now supports nice filtering for
units via --unit=/-u.
* Type=oneshot services may use ExecReload= and do the
right thing.
* The journal daemon now supports time-based rotation and
vacuuming, in addition to the usual disk-space based
rotation.
* The journal will now index the available field values for
each field name. This enables clients to show pretty drop
downs of available match values when filtering. The bash
completion of journalctl has been updated
accordingly. journalctl gained a new switch -F to list all
values a certain field takes in the journal database.
* More service events are now written as structured messages
to the journal, and made recognizable via message IDs.
* The timedated, localed and hostnamed mini-services which
previously only provided support for changing time, locale
and hostname settings from graphical DEs such as GNOME now
also have a minimal (but very useful) text-based client
utility each. This is probably the nicest way to changing
these settings from the command line now, especially since
it lists available options and is fully integrated with bash
completion.
* There's now a new tool "systemd-coredumpctl" to list and
extract coredumps from the journal.
* We now install a README each in /var/log/ and
/etc/rc.d/init.d explaining where the system logs and init
scripts went. This hopefully should help folks who go to
that dirs and look into the otherwise now empty void and
scratch their heads.
* When user-services are invoked (by systemd --user) the
$MANAGERPID env var is set to the PID of systemd.
* SIGRTMIN+24 when sent to a --user instance will now result
in immediate termination of systemd.
* gatewayd received numerous feature additions such as a
"follow" mode, for live syncing and filtering.
* browse.html now allows filtering and showing detailed
information on specific entries. Keyboard navigation and
mouse screen support has been added.
* gatewayd/journalctl now supports HTML5/JSON
Server-Sent-Events as output.
* The SysV init script compatibility logic will now
heuristically determine whether a script supports the
"reload" verb, and only then make this available as
"systemctl reload".
* "systemctl status --follow" has been removed, use "journalctl
-u" instead.
* journald.conf's RuntimeMinSize=, PersistentMinSize= settings
have been removed since they are hardly useful to be
configured.
* And I'd like to take the opportunity to specifically mention
Zbigniew for his great contributions. Zbigniew, you rock!
Contributions from: Andrew Eikum, Christian Hesse, Colin
Guthrie, Daniel J Walsh, Dave Reisner, Eelco Dolstra, Ferenc
Wágner, Kay Sievers, Lennart Poettering, Lukas Nykryn, Mantas
Mikulėnas, Martin Mikkelsen, Martin Pitt, Michael Olbrich,
Michael Stapelberg, Michal Schmidt, Sebastian Ott, Thomas
Bächler, Umut Tezduyar, Will Woods, Wulf C. Krueger, Zbigniew
Jędrzejewski-Szmek, Сковорода Никита Андреевич
CHANGES WITH 194:
* If /etc/vconsole.conf is non-existent or empty we will no
longer load any console font or key map at boot by
default. Instead the kernel defaults will be left
intact. This is definitely the right thing to do, as no
configuration should mean no configuration, and hard-coding
font names that are different on all archs is probably a bad
idea. Also, the kernel default key map and font should be
good enough for most cases anyway, and mostly identical to
the userspace fonts/key maps we previously overloaded them
with. If distributions want to continue to default to a
non-kernel font or key map they should ship a default
/etc/vconsole.conf with the appropriate contents.
Contributions from: Colin Walters, Daniel J Walsh, Dave
Reisner, Kay Sievers, Lennart Poettering, Lukas Nykryn, Tollef
Fog Heen, Tom Gundersen, Zbigniew Jędrzejewski-Szmek
CHANGES WITH 193:
* journalctl gained a new --cursor= switch to show entries
starting from the specified location in the journal.
* We now enforce a size limit on journal entry fields exported
with "-o json" in journalctl. Fields larger than 4K will be
assigned null. This can be turned off with --all.
* An (optional) journal gateway daemon is now available as
"systemd-journal-gatewayd.service". This service provides
access to the journal via HTTP and JSON. This functionality
will be used to implement live log synchronization in both
pull and push modes, but has various other users too, such
as easy log access for debugging of embedded devices. Right
now it is already useful to retrieve the journal via HTTP:
# systemctl start systemd-journal-gatewayd.service
# wget http://localhost:19531/entries
This will download the journal contents in a
/var/log/messages compatible format. The same as JSON:
# curl -H"Accept: application/json" http://localhost:19531/entries
This service is also accessible via a web browser where a
single static HTML5 app is served that uses the JSON logic
to enable the user to do some basic browsing of the
journal. This will be extended later on. Here's an example
screenshot of this app in its current state:
http://0pointer.de/public/journal-gatewayd
Contributions from: Kay Sievers, Lennart Poettering, Robert
Milasan, Tom Gundersen
CHANGES WITH 192:
* The bash completion logic is now available for journalctl
too.
* We don't mount the "cpuset" controller anymore together with
"cpu" and "cpuacct", as "cpuset" groups generally cannot be
started if no parameters are assigned to it. "cpuset" hence
broke code that assumed it it could create "cpu" groups and
just start them.
* journalctl -f will now subscribe to terminal size changes,
and line break accordingly.
Contributions from: Dave Reisner, Kay Sievers, Lennart
Poettering, Lukas Nykrynm, Mirco Tischler, Václav Pavlín
CHANGES WITH 191:
* nspawn will now create a symlink /etc/localtime in the
container environment, copying the host's timezone
setting. Previously this has been done via a bind mount, but
since symlinks cannot be bind mounted this has now been
changed to create/update the appropriate symlink.
* journalctl -n's line number argument is now optional, and
will default to 10 if omitted.
* journald will now log the maximum size the journal files may
take up on disk. This is particularly useful if the default
built-in logic of determining this parameter from the file
system size is used. Use "systemctl status
systemd-journald.service" to see this information.
* The multi-seat X wrapper tool has been stripped down. As X
is now capable of enumerating graphics devices via udev in a
seat-aware way the wrapper is not strictly necessary
anymore. A stripped down temporary stop-gap is still shipped
until the upstream display managers have been updated to
fully support the new X logic. Expect this wrapper to be
removed entirely in one of the next releases.
* HandleSleepKey= in logind.conf has been split up into
HandleSuspendKey= and HandleHibernateKey=. The old setting
is not available anymore. X11 and the kernel are
distuingishing between these keys and we should too. This
also means the inhibition lock for these keys has been split
into two.
Contributions from: Dave Airlie, Eelco Dolstra, Lennart
Poettering, Lukas Nykryn, Václav Pavlín
CHANGES WITH 190:
* Whenever a unit changes state we'll now log this to the
journal and show along the unit's own log output in
"systemctl status".
* ConditionPathIsMountPoint= can now properly detect bind
mount points too. (Previously, a bind mount of one file
system to another place in the same file system could not be
detected as mount, since they shared struct stat's st_dev
field.)
* We will now mount the cgroup controllers cpu, cpuacct,
cpuset and the controllers net_cls, net_prio together by
default.
* nspawn containers will now have a virtualized boot
ID. (i.e. /proc/sys/kernel/random/boot_id is now mounted
over with a randomized ID at container initialization). This
has the effect of making "journalctl -b" do the right thing
in a container.
* The JSON output journal serialization has been updated not
to generate "endless" list objects anymore, but rather one
JSON object per line. This is more in line how most JSON
parsers expect JSON objects. The new output mode
"json-pretty" has been added to provide similar output, but
neatly aligned for readability by humans.
* We dropped all explicit sync() invocations in the shutdown
code. The kernel does this implicitly anyway in the kernel
reboot() syscall. halt(8)'s -n option is now a compatibility
no-op.
* We now support virtualized reboot() in containers, as
supported by newer kernels. We will fall back to exit() if
CAP_SYS_REBOOT is not available to the container. Also,
nspawn makes use of this now and will actually reboot the
container if the containerized OS asks for that.
* journalctl will only show local log output by default
now. Use --merge (-m) to show remote log output, too.
* libsystemd-journal gained the new sd_journal_get_usage()
call to determine the current disk usage of all journal
files. This is exposed in the new "journalctl --disk-usage"
command.
* journald gained a new configuration setting SplitMode= in
journald.conf which may be used to control how user journals
are split off. See journald.conf(5) for details.
* A new condition type ConditionFileNotEmpty= has been added.
* tmpfiles' "w" lines now support file globbing, to write
multiple files at once.
* We added Python bindings for the journal submission
APIs. More Python APIs for a number of selected APIs will
likely follow. Note that we intend to add native bindings
only for the Python language, as we consider it common
enough to deserve bindings shipped within systemd. There are
various projects outside of systemd that provide bindings
for languages such as PHP or Lua.
* Many conditions will now resolve specifiers such as %i. In
addition, PathChanged= and related directives of .path units
now support specifiers as well.
* There's now a new RPM macro definition for the system preset
dir: %_presetdir.
* journald will now warn if it can't forward a message to the
syslog daemon because it's socket is full.
* timedated will no longer write or process /etc/timezone,
except on Debian. As we do not support late mounted /usr
anymore /etc/localtime always being a symlink is now safe,
and hence the information in /etc/timezone is not necessary
anymore.
* logind will now always reserve one VT for a text getty (VT6
by default). Previously if more than 6 X sessions where
started they took up all the VTs with auto-spawned gettys,
so that no text gettys were available anymore.
* udev will now automatically inform the btrfs kernel logic
about btrfs RAID components showing up. This should make
simple hotplug based btrfs RAID assembly work.
* PID 1 will now increase its RLIMIT_NOFILE to 64K by default
(but not for its children which will stay at the kernel
default). This should allow setups with a lot more listening
sockets.
* systemd will now always pass the configured timezone to the
kernel at boot. timedated will do the same when the timezone
is changed.
* logind's inhibition logic has been updated. By default,
logind will now handle the lid switch, the power and sleep
keys all the time, even in graphical sessions. If DEs want
to handle these events on their own they should take the new
handle-power-key, handle-sleep-key and handle-lid-switch
inhibitors during their runtime. A simple way to achiveve
that is to invoke the DE wrapped in an invocation of:
systemd-inhibit --what=handle-power-key:handle-sleep-key:handle-lid-switch ...
* Access to unit operations is now checked via SELinux taking
the unit file label and client process label into account.
* systemd will now notify the administrator in the journal
when he over-mounts a non-empty directory.
* There are new specifiers that are resolved in unit files,
for the host name (%H), the machine ID (%m) and the boot ID
(%b).
Contributions from: Allin Cottrell, Auke Kok, Brandon Philips,
Colin Guthrie, Colin Walters, Daniel J Walsh, Dave Reisner,
Eelco Dolstra, Jan Engelhardt, Kay Sievers, Lennart
Poettering, Lucas De Marchi, Lukas Nykryn, Mantas Mikulėnas,
Martin Pitt, Matthias Clasen, Michael Olbrich, Pierre Schmitz,
Shawn Landden, Thomas Hindoe Paaboel Andersen, Tom Gundersen,
Václav Pavlín, Yin Kangkai, Zbigniew Jędrzejewski-Szmek
CHANGES WITH 189:
* Support for reading structured kernel messages from
/dev/kmsg has now been added and is enabled by default.
* Support for reading kernel messages from /proc/kmsg has now
been removed. If you want kernel messages in the journal
make sure to run a recent kernel (>= 3.5) that supports
reading structured messages from /dev/kmsg (see
above). /proc/kmsg is now exclusive property of classic
syslog daemons again.
* The libudev API gained the new
udev_device_new_from_device_id() call.
* The logic for file system namespace (ReadOnlyDirectory=,
ReadWriteDirectoy=, PrivateTmp=) has been reworked not to
require pivot_root() anymore. This means fewer temporary
directories are created below /tmp for this feature.
* nspawn containers will now see and receive all submounts
made on the host OS below the root file system of the
container.
* Forward Secure Sealing is now supported for Journal files,
which provide cryptographical sealing of journal files so
that attackers cannot alter log history anymore without this
being detectable. Lennart will soon post a blog story about
this explaining it in more detail.
* There are two new service settings RestartPreventExitStatus=
and SuccessExitStatus= which allow configuration of exit
status (exit code or signal) which will be excepted from the
restart logic, resp. consider successful.
* journalctl gained the new --verify switch that can be used
to check the integrity of the structure of journal files and
(if Forward Secure Sealing is enabled) the contents of
journal files.
* nspawn containers will now be run with /dev/stdin, /dev/fd/
and similar symlinks pre-created. This makes running shells
as container init process a lot more fun.
* The fstab support can now handle PARTUUID= and PARTLABEL=
entries.
* A new ConditionHost= condition has been added to match
against the hostname (with globs) and machine ID. This is
useful for clusters where a single OS image is used to
provision a large number of hosts which shall run slightly
different sets of services.
* Services which hit the restart limit will now be placed in a
failure state.
Contributions from: Bertram Poettering, Dave Reisner, Huang
Hang, Kay Sievers, Lennart Poettering, Lukas Nykryn, Martin
Pitt, Simon Peeters, Zbigniew Jędrzejewski-Szmek
CHANGES WITH 188:
* When running in --user mode systemd will now become a
subreaper (PR_SET_CHILD_SUBREAPER). This should make the ps
tree a lot more organized.
* A new PartOf= unit dependency type has been introduced that
may be used to group services in a natural way.
* "systemctl enable" may now be used to enable instances of
services.
* journalctl now prints error log levels in red, and
warning/notice log levels in bright white. It also supports
filtering by log level now.
* cgtop gained a new -n switch (similar to top), to configure
the maximum number of iterations to run for. It also gained
-b, to run in batch mode (accepting no input).
* The suffix ".service" may now be omitted on most systemctl
command lines involving service unit names.
* There's a new bus call in logind to lock all sessions, as
well as a loginctl verb for it "lock-sessions".
* libsystemd-logind.so gained a new call sd_journal_perror()
that works similar to libc perror() but logs to the journal
and encodes structured information about the error number.
* /etc/crypttab entries now understand the new keyfile-size=
option.
* shutdown(8) now can send a (configurable) wall message when
a shutdown is cancelled.
* The mount propagation mode for the root file system will now
default to "shared", which is useful to make containers work
nicely out-of-the-box so that they receive new mounts from
the host. This can be undone locally by running "mount
--make-rprivate /" if needed.
* The prefdm.service file has been removed. Distributions
should maintain this unit downstream if they intend to keep
it around. However, we recommend writing normal unit files
for display managers instead.
* Since systemd is a crucial part of the OS we will now
default to a number of compiler switches that improve
security (hardening) such as read-only relocations, stack
protection, and suchlike.
* The TimeoutSec= setting for services is now split into
TimeoutStartSec= and TimeoutStopSec= to allow configuration
of individual time outs for the start and the stop phase of
the service.
Contributions from: Artur Zaprzala, Arvydas Sidorenko, Auke
Kok, Bryan Kadzban, Dave Reisner, David Strauss, Harald Hoyer,
Jim Meyering, Kay Sievers, Lennart Poettering, Mantas
Mikulėnas, Martin Pitt, Michal Schmidt, Michal Sekletar, Peter
Alfredsen, Shawn Landden, Simon Peeters, Terence Honles, Tom
Gundersen, Zbigniew Jędrzejewski-Szmek
CHANGES WITH 187:
* The journal and id128 C APIs are now fully documented as man
pages.
* Extra safety checks have been added when transitioning from
the initial RAM disk to the main system to avoid accidental
data loss.
* /etc/crypttab entries now understand the new keyfile-offset=
option.
* systemctl -t can now be used to filter by unit load state.
* The journal C API gained the new sd_journal_wait() call to
make writing synchronous journal clients easier.
* journalctl gained the new -D switch to show journals from a
specific directory.
* journalctl now displays a special marker between log
messages of two different boots.
* The journal is now explicitly flushed to /var via a service
systemd-journal-flush.service, rather than implicitly simply
by seeing /var/log/journal to be writable.
* journalctl (and the journal C APIs) can now match for much
more complex expressions, with alternatives and
disjunctions.
* When transitioning from the initial RAM disk to the main
system we will now kill all processes in a killing spree to
ensure no processes stay around by accident.
* Three new specifiers may be used in unit files: %u, %h, %s
resolve to the user name, user home directory resp. user
shell. This is useful for running systemd user instances.
* We now automatically rotate journal files if their data
object hash table gets a fill level > 75%. We also size the
hash table based on the configured maximum file size. This
together should lower hash collisions drastically and thus
speed things up a bit.
* journalctl gained the new "--header" switch to introspect
header data of journal files.
* A new setting SystemCallFilters= has been added to services
which may be used to apply blacklists or whitelists to
system calls. This is based on SECCOMP Mode 2 of Linux 3.5.
* nspawn gained a new --link-journal= switch (and quicker: -j)
to link the container journal with the host. This makes it
very easy to centralize log viewing on the host for all
guests while still keeping the journal files separated.
* Many bugfixes and optimizations
Contributions from: Auke Kok, Eelco Dolstra, Harald Hoyer, Kay
Sievers, Lennart Poettering, Malte Starostik, Paul Menzel, Rex
Tsai, Shawn Landden, Tom Gundersen, Ville Skyttä, Zbigniew
Jędrzejewski-Szmek
CHANGES WITH 186:
* Several tools now understand kernel command line arguments,
which are only read when run in an initial RAM disk. They
usually follow closely their normal counterparts, but are
prefixed with rd.
* There's a new tool to analyze the readahead files that are
automatically generated at boot. Use:
/usr/lib/systemd/systemd-readahead analyze /.readahead
* We now provide an early debug shell on tty9 if this enabled. Use:
systemctl enable debug-shell.service
* All plymouth related units have been moved into the Plymouth
package. Please make sure to upgrade your Plymouth version
as well.
* systemd-tmpfiles now supports getting passed the basename of
a configuration file only, in which case it will look for it
in all appropriate directories automatically.
* udevadm info now takes a /dev or /sys path as argument, and
does the right thing. Example:
udevadm info /dev/sda
udevadm info /sys/class/block/sda
* systemctl now prints a warning if a unit is stopped but a
unit that might trigger it continues to run. Example: a
service is stopped but the socket that activates it is left
running.
* "systemctl status" will now mention if the log output was
shortened due to rotation since a service has been started.
* The journal API now exposes functions to determine the
"cutoff" times due to rotation.
* journald now understands SIGUSR1 and SIGUSR2 for triggering
immediately flushing of runtime logs to /var if possible,
resp. for triggering immediate rotation of the journal
files.
* It is now considered an error if a service is attempted to
be stopped that is not loaded.
* XDG_RUNTIME_DIR now uses numeric UIDs instead of usernames.
* systemd-analyze now supports Python 3
* tmpfiles now supports cleaning up directories via aging
where the first level dirs are always kept around but
directories beneath it automatically aged. This is enabled
by prefixing the age field with '~'.
* Seat objects now expose CanGraphical, CanTTY properties
which is required to deal with very fast bootups where the
display manager might be running before the graphics drivers
completed initialization.
* Seat objects now expose a State property.
* We now include RPM macros for service enabling/disabling
based on the preset logic. We recommend RPM based
distributions to make use of these macros if possible. This
makes it simpler to reuse RPM spec files across
distributions.
* We now make sure that the collected systemd unit name is
always valid when services log to the journal via
STDOUT/STDERR.
* There's a new man page kernel-command-line(7) detailing all
command line options we understand.
* The fstab generator may now be disabled at boot by passing
fstab=0 on the kernel command line.
* A new kernel command line option modules-load= is now understood
to load a specific kernel module statically, early at boot.
* Unit names specified on the systemctl command line are now
automatically escaped as needed. Also, if file system or
device paths are specified they are automatically turned
into the appropriate mount or device unit names. Example:
systemctl status /home
systemctl status /dev/sda
* The SysVConsole= configuration option has been removed from
system.conf parsing.
* The SysV search path is no longer exported on the D-Bus
Manager object.
* The Names= option is been removed from unit file parsing.
* There's a new man page bootup(7) detailing the boot process.
* Every unit and every generator we ship with systemd now
comes with full documentation. The self-explanatory boot is
complete.
* A couple of services gained "systemd-" prefixes in their
name if they wrap systemd code, rather than only external
code. Among them fsck@.service which is now
systemd-fsck@.service.
* The HaveWatchdog property has been removed from the D-Bus
Manager object.
* systemd.confirm_spawn= on the kernel command line should now
work sensibly.
* There's a new man page crypttab(5) which details all options
we actually understand.
* systemd-nspawn gained a new --capability= switch to pass
additional capabilities to the container.
* timedated will now read known NTP implementation unit names
from /usr/lib/systemd/ntp-units.d/*.list,
systemd-timedated-ntp.target has been removed.
* journalctl gained a new switch "-b" that lists log data of
the current boot only.
* The notify socket is in the abstract namespace again, in
order to support daemons which chroot() at start-up.
* There is a new Storage= configuration option for journald
which allows configuration of where log data should go. This
also provides a way to disable journal logging entirely, so
that data collected is only forwarded to the console, the
kernel log buffer or another syslog implementation.
* Many bugfixes and optimizations
Contributions from: Auke Kok, Colin Guthrie, Dave Reisner,
David Strauss, Eelco Dolstra, Kay Sievers, Lennart Poettering,
Lukas Nykryn, Michal Schmidt, Michal Sekletar, Paul Menzel,
Shawn Landden, Tom Gundersen
CHANGES WITH 185:
* "systemctl help <unit>" now shows the man page if one is
available.
* Several new man pages have been added.
* MaxLevelStore=, MaxLevelSyslog=, MaxLevelKMsg=,
MaxLevelConsole= can now be specified in
journald.conf. These options allow reducing the amount of
data stored on disk or forwarded by the log level.
* TimerSlackNSec= can now be specified in system.conf for
PID1. This allows system-wide power savings.
Contributions from: Dave Reisner, Kay Sievers, Lauri Kasanen,
Lennart Poettering, Malte Starostik, Marc-Antoine Perennou,
Matthias Clasen
CHANGES WITH 184:
* logind is now capable of (optionally) handling power and
sleep keys as well as the lid switch.
* journalctl now understands the syntax "journalctl
/usr/bin/avahi-daemon" to get all log output of a specific
daemon.
* CapabilityBoundingSet= in system.conf now also influences
the capability bound set of usermode helpers of the kernel.
Contributions from: Daniel Drake, Daniel J. Walsh, Gert
Michael Kulyk, Harald Hoyer, Jean Delvare, Kay Sievers,
Lennart Poettering, Matthew Garrett, Matthias Clasen, Paul
Menzel, Shawn Landden, Tero Roponen, Tom Gundersen
CHANGES WITH 183:
* Note that we skipped 139 releases here in order to set the
new version to something that is greater than both udev's
and systemd's most recent version number.
* udev: all udev sources are merged into the systemd source tree now.
All future udev development will happen in the systemd tree. It
is still fully supported to use the udev daemon and tools without
systemd running, like in initramfs or other init systems. Building
udev though, will require the *build* of the systemd tree, but
udev can be properly *run* without systemd.
* udev: /lib/udev/devices/ are not read anymore; systemd-tmpfiles
should be used to create dead device nodes as workarounds for broken
subsystems.
* udev: RUN+="socket:..." and udev_monitor_new_from_socket() is
no longer supported. udev_monitor_new_from_netlink() needs to be
used to subscribe to events.
* udev: when udevd is started by systemd, processes which are left
behind by forking them off of udev rules, are unconditionally cleaned
up and killed now after the event handling has finished. Services or
daemons must be started as systemd services. Services can be
pulled-in by udev to get started, but they can no longer be directly
forked by udev rules.
* udev: the daemon binary is called systemd-udevd now and installed
in /usr/lib/systemd/. Standalone builds or non-systemd systems need
to adapt to that, create symlink, or rename the binary after building
it.
* libudev no longer provides these symbols:
udev_monitor_from_socket()
udev_queue_get_failed_list_entry()
udev_get_{dev,sys,run}_path()
The versions number was bumped and symbol versioning introduced.
* systemd-loginctl and systemd-journalctl have been renamed
to loginctl and journalctl to match systemctl.
* The config files: /etc/systemd/systemd-logind.conf and
/etc/systemd/systemd-journald.conf have been renamed to
logind.conf and journald.conf. Package updates should rename
the files to the new names on upgrade.
* For almost all files the license is now LGPL2.1+, changed
from the previous GPL2.0+. Exceptions are some minor stuff
of udev (which will be changed to LGPL2.1 eventually, too),
and the MIT licensed sd-daemon.[ch] library that is suitable
to be used as drop-in files.
* systemd and logind now handle system sleep states, in
particular suspending and hibernating.
* logind now implements a sleep/shutdown/idle inhibiting logic
suitable for a variety of uses. Soonishly Lennart will blog
about this in more detail.
* var-run.mount and var-lock.mount are no longer provided
(which prevously bind mounted these directories to their new
places). Distributions which have not converted these
directories to symlinks should consider stealing these files
from git history and add them downstream.
* We introduced the Documentation= field for units and added
this to all our shipped units. This is useful to make it
easier to explore the boot and the purpose of the various
units.
* All smaller setup units (such as
systemd-vconsole-setup.service) now detect properly if they
are run in a container and are skipped when
appropriate. This guarantees an entirely noise-free boot in
Linux container environments such as systemd-nspawn.
* A framework for implementing offline system updates is now
integrated, for details see:
http://freedesktop.org/wiki/Software/systemd/SystemUpdates
* A new service type Type=idle is available now which helps us
avoiding ugly interleaving of getty output and boot status
messages.
* There's now a system-wide CapabilityBoundingSet= option to
globally reduce the set of capabilities for the
system. This is useful to drop CAP_SYS_MKNOD, CAP_SYS_RAWIO,
CAP_NET_RAW, CAP_SYS_MODULE, CAP_SYS_TIME, CAP_SYS_PTRACE or
even CAP_NET_ADMIN system-wide for secure systems.
* There are now system-wide DefaultLimitXXX= options to
globally change the defaults of the various resource limits
for all units started by PID 1.
* Harald Hoyer's systemd test suite has been integrated into
systemd which allows easy testing of systemd builds in qemu
and nspawn. (This is really awesome! Ask us for details!)
* The fstab parser is now implemented as generator, not inside
of PID 1 anymore.
* systemctl will now warn you if .mount units generated from
/etc/fstab are out of date due to changes in fstab that
haven't been read by systemd yet.
* systemd is now suitable for usage in initrds. Dracut has
already been updated to make use of this. With this in place
initrds get a slight bit faster but primarily are much
easier to introspect and debug since "systemctl status" in
the host system can be used to introspect initrd services,
and the journal from the initrd is kept around too.
* systemd-delta has been added, a tool to explore differences
between user/admin configuration and vendor defaults.
* PrivateTmp= now affects both /tmp and /var/tmp.
* Boot time status messages are now much prettier and feature
proper english language. Booting up systemd has never been
so sexy.
* Read-ahead pack files now include the inode number of all
files to pre-cache. When the inode changes the pre-caching
is not attempted. This should be nicer to deal with updated
packages which might result in changes of read-ahead
patterns.
* We now temporaritly lower the kernel's read_ahead_kb variable
when collecting read-ahead data to ensure the kernel's
built-in read-ahead does not add noise to our measurements
of necessary blocks to pre-cache.
* There's now RequiresMountsFor= to add automatic dependencies
for all mounts necessary for a specific file system path.
* MountAuto= and SwapAuto= have been removed from
system.conf. Mounting file systems at boot has to take place
in systemd now.
* nspawn now learned a new switch --uuid= to set the machine
ID on the command line.
* nspawn now learned the -b switch to automatically search
for an init system.
* vt102 is now the default TERM for serial TTYs, upgraded from
vt100.
* systemd-logind now works on VT-less systems.
* The build tree has been reorganized. The individual
components now have directories of their own.
* A new condition type ConditionPathIsReadWrite= is now available.
* nspawn learned the new -C switch to create cgroups for the
container in other hierarchies.
* We now have support for hardware watchdogs, configurable in
system.conf.
* The scheduled shutdown logic now has a public API.
* We now mount /tmp as tmpfs by default, but this can be
masked and /etc/fstab can override it.
* Since udisks doesn't make use of /media anymore we are not
mounting a tmpfs on it anymore.
* journalctl gained a new --local switch to only interleave
locally generated journal files.
* We can now load the IMA policy at boot automatically.
* The GTK tools have been split off into a systemd-ui.
Contributions from: Andreas Schwab, Auke Kok, Ayan George,
Colin Guthrie, Daniel Mack, Dave Reisner, David Ward, Elan
Ruusamäe, Frederic Crozat, Gergely Nagy, Guillermo Vidal,
Hannes Reinecke, Harald Hoyer, Javier Jardón, Kay Sievers,
Lennart Poettering, Lucas De Marchi, Léo Gillot-Lamure,
Marc-Antoine Perennou, Martin Pitt, Matthew Monaco, Maxim
A. Mikityanskiy, Michael Biebl, Michael Olbrich, Michal
Schmidt, Nis Martensen, Patrick McCarty, Roberto Sassu, Shawn
Landden, Sjoerd Simons, Sven Anders, Tollef Fog Heen, Tom
Gundersen
CHANGES WITH 44:
* This is mostly a bugfix release
* Support optional initialization of the machine ID from the
KVM or container configured UUID.
* Support immediate reboots with "systemctl reboot -ff"
* Show /etc/os-release data in systemd-analyze output
* Many bugfixes for the journal, including endianness fixes and
ensuring that disk space enforcement works
* sd-login.h is C++ comptaible again
* Extend the /etc/os-release format on request of the Debian
folks
* We now refuse non-UTF8 strings used in various configuration
and unit files. This is done to ensure we don't pass invalid
data over D-Bus or expose it elsewhere.
* Register Mimo USB Screens as suitable for automatic seat
configuration
* Read SELinux client context from journal clients in a race
free fashion
* Reorder configuration file lookup order. /etc now always
overrides /run in order to allow the administrator to always
and unconditionally override vendor supplied or
automatically generated data.
* The various user visible bits of the journal now have man
pages. We still lack man pages for the journal API calls
however.
* We now ship all man pages in HTML format again in the
tarball.
Contributions from: Dave Reisner, Dirk Eibach, Frederic
Crozat, Harald Hoyer, Kay Sievers, Lennart Poettering, Marti
Raudsepp, Michal Schmidt, Shawn Landden, Tero Roponen, Thierry
Reding
CHANGES WITH 43:
* This is mostly a bugfix release
* systems lacking /etc/os-release are no longer supported.
* Various functionality updates to libsystemd-login.so
* Track class of PAM logins to distuingish greeters from
normal user logins.
Contributions from: Kay Sievers, Lennart Poettering, Michael
Biebl
CHANGES WITH 42:
* This is an important bugfix release for v41.
* Building man pages is now optional which should be useful
for those building systemd from git but unwilling to install
xsltproc.
* Watchdog support for supervising services is now usable. In
a future release support for hardware watchdogs
(i.e. /dev/watchdog) will be added building on this.
* Service start rate limiting is now configurable and can be
turned off per service. When a start rate limit is hit a
reboot can automatically be triggered.
* New CanReboot(), CanPowerOff() bus calls in systemd-logind.
Contributions from: Benjamin Franzke, Bill Nottingham,
Frederic Crozat, Lennart Poettering, Michael Olbrich, Michal
Schmidt, Michał Górny, Piotr Drąg
CHANGES WITH 41:
* The systemd binary is installed /usr/lib/systemd/systemd now;
An existing /sbin/init symlink needs to be adapted with the
package update.
* The code that loads kernel modules has been ported to invoke
libkmod directly, instead of modprobe. This means we do not
support systems with module-init-tools anymore.
* Watchdog support is now already useful, but still not
complete.
* A new kernel command line option systemd.setenv= is
understood to set system wide environment variables
dynamically at boot.
* We now limit the set of capabilities of systemd-journald.
* We now set SIGPIPE to ignore by default, since it only is
useful in shell pipelines, and has little use in general
code. This can be disabled with IgnoreSIPIPE=no in unit
files.
Contributions from: Benjamin Franzke, Kay Sievers, Lennart
Poettering, Michael Olbrich, Michal Schmidt, Tom Gundersen,
William Douglas
CHANGES WITH 40:
* This is mostly a bugfix release
* We now expose the reason why a service failed in the
"Result" D-Bus property.
* Rudimentary service watchdog support (will be completed over
the next few releases.)
* When systemd forks off in order execute some service we will
now immediately changes its argv[0] to reflect which process
it will execute. This is useful to minimize the time window
with a generic argv[0], which makes bootcharts more useful
Contributions from: Alvaro Soliverez, Chris Paulson-Ellis, Kay
Sievers, Lennart Poettering, Michael Olbrich, Michal Schmidt,
Mike Kazantsev, Ray Strode
CHANGES WITH 39:
* This is mostly a test release, but incorporates many
bugfixes.
* New systemd-cgtop tool to show control groups by their
resource usage.
* Linking against libacl for ACLs is optional again. If
disabled, support tracking device access for active logins
goes becomes unavailable, and so does access to the user
journals by the respective users.
* If a group "adm" exists, journal files are automatically
owned by them, thus allow members of this group full access
to the system journal as well as all user journals.
* The journal now stores the SELinux context of the logging
client for all entries.
* Add C++ inclusion guards to all public headers
* New output mode "cat" in the journal to print only text
messages, without any meta data like date or time.
* Include tiny X server wrapper as a temporary stop-gap to
teach XOrg udev display enumeration. This is used by display
managers such as gdm, and will go away as soon as XOrg
learned native udev hotplugging for display devices.
* Add new systemd-cat tool for executing arbitrary programs
with STDERR/STDOUT connected to the journal. Can also act as
BSD logger replacement, and does so by default.
* Optionally store all locally generated coredumps in the
journal along with meta data.
* systemd-tmpfiles learnt four new commands: n, L, c, b, for
writing short strings to files (for usage for /sys), and for
creating symlinks, character and block device nodes.
* New unit file option ControlGroupPersistent= to make cgroups
persistent, following the mechanisms outlined in
http://www.freedesktop.org/wiki/Software/systemd/PaxControlGroups
* Support multiple local RTCs in a sane way
* No longer monopolize IO when replaying readahead data on
rotating disks, since we might starve non-file-system IO to
death, since fanotify() will not see accesses done by blkid,
or fsck.
* Don't show kernel threads in systemd-cgls anymore, unless
requested with new -k switch.
Contributions from: Dan Horák, Kay Sievers, Lennart
Poettering, Michal Schmidt
CHANGES WITH 38:
* This is mostly a test release, but incorporates many
bugfixes.
* The git repository moved to:
git://anongit.freedesktop.org/systemd/systemd
ssh://git.freedesktop.org/git/systemd/systemd
* First release with the journal
http://0pointer.de/blog/projects/the-journal.html
* The journal replaces both systemd-kmsg-syslogd and
systemd-stdout-bridge.
* New sd_pid_get_unit() API call in libsystemd-logind
* Many systemadm clean-ups
* Introduce remote-fs-pre.target which is ordered before all
remote mounts and may be used to start services before all
remote mounts.
* Added Mageia support
* Add bash completion for systemd-loginctl
* Actively monitor PID file creation for daemons which exit in
the parent process before having finished writing the PID
file in the daemon process. Daemons which do this need to be
fixed (i.e. PID file creation must have finished before the
parent exits), but we now react a bit more gracefully to them.
* Add colourful boot output, mimicking the well-known output
of existing distributions.
* New option PassCredentials= for socket units, for
compatibility with a recent kernel ABI breakage.
* /etc/rc.local is now hooked in via a generator binary, and
thus will no longer act as synchronization point during
boot.
* systemctl list-unit-files now supports --root=.
* systemd-tmpfiles now understands two new commands: z, Z for
relabelling files according to the SELinux database. This is
useful to apply SELinux labels to specific files in /sys,
among other things.
* Output of SysV services is now forwarded to both the console
and the journal by default, not only just the console.
* New man pages for all APIs from libsystemd-login.
* The build tree got reorganized and a the build system is a
lot more modular allowing embedded setups to specifically
select the components of systemd they are interested in.
* Support for Linux systems lacking the kernel VT subsystem is
restored.
* configure's --with-rootdir= got renamed to
--with-rootprefix= to follow the naming used by udev and
kmod
* Unless specified otherwise we'll now install to /usr instead
of /usr/local by default.
* Processes with '@' in argv[0][0] are now excluded from the
final shut-down killing spree, following the logic explained
in:
http://www.freedesktop.org/wiki/Software/systemd/RootStorageDaemons
* All processes remaining in a service cgroup when we enter
the START or START_PRE states are now killed with
SIGKILL. That means it is no longer possible to spawn
background processes from ExecStart= lines (which was never
supported anyway, and bad style).
* New PropagateReloadTo=/PropagateReloadFrom= options to bind
reloading of units together.
Contributions from: Bill Nottingham, Daniel J. Walsh, Dave
Reisner, Dexter Morgan, Gregs Gregs, Jonathan Nieder, Kay
Sievers, Lennart Poettering, Michael Biebl, Michal Schmidt,
Michał Górny, Ran Benita, Thomas Jarosch, Tim Waugh, Tollef
Fog Heen, Tom Gundersen, Zbigniew Jędrzejewski-Szmek
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