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The existing sd_hwdb_new function always initializes the hwdb from the
first successful hwdb.bin it finds from hwdb_bin_paths. This means there
is currently no way to initialize a hwdb from an explicit path, which
would be useful for systemd-hwdb query.
Add sd_hwdb_new_from_path to allow a sd_hwdb to be initialized from a
custom path outside of hwdb_bin_paths.
All wiki pages that contain a deprecation banner
pointing to systemd.io or manpages are updated to
point to their replacements directly.
Helpful command for identification of available links:
git grep freedesktop.org/wiki | \
sed "s#.*\(https://www.freedesktop.org/wiki[^ $<'\\\")]*\)\(.*\)#\\1#" | \
sort | uniq
* Avoid traling slash as most links are defined without.
* Always use https:// protocol and www. subdomain
Allows for easier tree-wide linkvalidation
for our migration to systemd.io.
The interface, output, and exit status convention are all taken directly from
rpmdev-vercmp and dpkg --compare-versions. The implementation is different
though. See test-string-util for a list of known cases where we compare
strings incompatibly.
The idea is that this string comparison function will be declared as "the"
method to use for boot entry ordering in the specification and similar
uses. Thus it's nice to allow users to compare strings.
The methods published by the example have a reply in the signature, but
the code was not sending any, so the client gets stuck waiting for a
response that doesn't arrive. Echo back the input string.
Update the object path to follow what would be the canonical format.
Request a service name on the bus, so that the code can be dropped in a
service and it can be dbus-activatable. It also makes it easier to see
on busctl list.
In the documentation, using the term "managed" for both the RA flag and
the DHCPv6 mode is confusing because the mode is referred to as
"solicit" both in the official DHCPv6 documentation (see RFC 8415) and
in the WithoutRA option.
Furthermore, calling the other RA flag "other information" or "other
address configuration" is confusing because its official name is simply
"other configuration" (see RFC 4861 and RFC 5175) and it isn't used to
assign IP addresses.
Rewrite the documentation for DHCPv6Client and WithoutRA to make it
clear that getting the "managed" RA flag triggers the same kind of DHCP
request as WithoutRA=solicit, whereas getting the "other configuration"
RA flag triggers the same kind of DHCP request as
WithoutRA=information-request.
We have vendor presets, and local admin presets, and runtime presets
(under /usr/lib, /usr/local/lib and /etc, /run, respectively). When we
display preset state, it can be configured in any of those places, so
we shouldn't say anything about the origin.
(Another nice advantage is that it improves alignment:
[root@f36 ~]# systemctl list-unit-files multipathd.service
UNIT FILE STATE VENDOR PRESET
multipathd.service enabled enabled
^ this looks we have a "PRESET" column that is empty.)
It doesn't really care about the hash value passed (which is processed
by systemd-veritysetup-generator), but it does care about the fact that
it is set (and mounts the DM nodes /dev/mapper/usr + /dev/mapper/root in
that case).
I don't know why this didn't occur to me earlier, but of course, it
*has* to be this data.
(This replaces some German prose about Berlin, that i guess only very
few people will get. With the new blob I think we have a much broader
chance of delivering smiles.)
Let's merge the footnote with the overall explanation of where systemd
parses its options from and reword the section a bit to hopefully make
things a bit more clear.
The gist of the description is moved from systemd.resource-control
to systemd-oomd man page. Cross-references to OOMPolicy, memory.oom.group,
oomctl, ManagedOOMSwap and ManagedOOMMemoryPressure are added in all
places.
The descriptions are also more down-to-earth: instead of talking
about "taking action" let's just say "kill". We *might* add configuration
for different actions in the future, but we're not there yet, so let's
just describe what we do now.
We use authenticated encryption, and that deserves mention. This in
particular relevant as the fact they are authenticated makes the
credentials useful as initrd parameterization items.
This is supposed to be useful when generating credentials for immutable
initrd environments, where it is is relevant to support credentials even
on systems lacking a TPM2 chip.
With this, if `systemd-creds encrypt --with-key=auto-initrd` is used a
credential will be encrypted/signed with the TPM2 if it is available and
recognized by the firmware. Otherwise it will be encrypted/signed with
the fixed empty key, thus providing no confidentiality or authenticity.
The idea is that distributions use this mode to generically create
credentials that are as locked down as possible on the specific
platform.
We got documentation for sd-device for the first time with
b51f4eaf7b, so let's celebrate by adding a
landing page that also explains the relationship with libudev.
%R is already used in service manager specifier expansion (cgroup root),
hence use a different char, that was so far not used.
Follow-up for: 6ceb0a4094
Previously, systemd-analyze verify would return 0 even if warnings
were raised during analysis of the specified units or their
dependencies. With 3cc3dc7, verify was changed to return 1 when
warnings were raised.
This commit changes the default mode to _RECURSIVE_ERRORS_INVALID
so that verify returns zero again by default when warnings are
raised.
If we have two or more devices that share the same slot but they are
also multifunction then it is OK to use the slot information even if it
is the same for all of them. Name conflict will be avoided because we
will append function number and form names like, ens1f1, ens1f2...
In --help output, change "$0" → "kernel-install". We generally don't include
the full path in --help output, and let's not do this here either.
kernel-install is now in build/ directly, not in the subdirectory.
GIT_VERSION is not available as a config.h variable, because it's rendered
into version.h during builds. Let's rework jinja2 rendering to also
parse version.h. No functional change, the new variable is so far unused.
I guess this will make partial rebuilds a bit slower, but it's useful
to be able to use the full version string.
This is based on the output on my laptop, with various manual adjustments.
If people have other types of entries, it'd be useful to add them here. In
particular, some dual-boot entries would be nice.
Strangely enough, having <varlistenetry>s outside of <variablelist> wasn't
causing visual problems. But having two <listitem>s in one <varlistentry>
resulted in the paragraphs running together in the rendered man page.
Let's make things easier to debug, and show a more comprehensive set of
fields, extending on the existing output syntax that starts with one
marker character followed by a colon and a space.
Change f887eab1da conditionalized the
building of ther kenel-install man page in the generated meson output,
instead of the source in the XML markup. Thus, whenever the rules file
is updated the conditionalization is lost. Correct that.
Follow-up for: f887eab1da
"Link-local" and "link local" are used throughout man pages and program
output, with the former used far more than the latter. This commit makes
it consistent throughout the project.
The commit 6706ce2fd2 made
IgnoreCarrierLoss= setting also take timespan, to make users handle
issues like #18738 or #20887. But still users needed to explicitly set
a timespan.
This makes networkd automatically determine the timeout when the
situations #18738 or #19832 is detected. Unfortunately, still users have
issue #20887 need to specify a value.
Closes#19832.
We don't need to talk about Alias=. The approach of using Alias= to enable
units is still supported, but hasn't been advertised as the way to do thing
for many years. Using it as an explanation is just confusing.
Also, the description of templated units did not take DefaultInstance=
into account. It is updated and extended.
We didn't actually say that keys should not be repeated. At least the
examples in docs (both python and shell) would do that, and any simple
parser that builds a dictionary would most likely behave the same way.
But let's document this expectation, but also say how to deal with malformed
files.
Let's be more precise here. Otherwise people might think this describes
the software system or so. We already expose this via hostnamed as
HardwareVendor/HardwareModel hence use the exact same wording.
(Note that the relevant props on the dmi device are just VENDOR/MODEL,
but that's OK given that DMI really is about hardware anyway,
unconditionally, hence no chance of confusion there.)
Follow-up for 4fc7e4f374
The commit 1cf4ed142d makes the IPv4 ACD
enabled unconditionally for IPv4 link-local addresses even if users
explicitly disable ACD.
This makes the IPv4 ACD is enabled by default, but honor user setting.
Fixes#22763.
systemd-udev-trigger.service by default triggeres all devices regardless
of whether they were already recognized by systemd-udevd.
There are machines (especially in embedded environments) where
systemd-udev-trigger.service is configured to run at a later stage of
the boot sequence, which can lead to quite a lot of devices being
triggered although they were already recognized by systemd-udevd.
Re-triggering a lot of devices is a relatively expensive operation and
therefore should be avoided if unnecessary.
Therefore this patch introduces --initialized-nomatch, which filters out
devices that are already present in the udev database. For consistance
reasons --initialized-match is implemented as well, which filters out devices
that are *not* already present in the udev database.
Replaces #19949.
So, typically systemd-boot is referenced as sd-boot, due to te usual
shorter naming in ESP resources. systemd-stub didnt do that so far,
since it never appears as separate files in the ESP. However it's super
annoying that you can find "man sd-boot", but not the very closely
related "man sd-stub". Let's fix that, and also add an "sd-stub" alias
to the "systemd-stub" man page.
So (maybe weirdly) loader.conf(5) documents both loader.conf and type #1
entries (because they share a similar syntax). But it then only lists
the options of loader.conf. Let's add an explicit hint where to find
the documentation of the type #1 entries.
Conceptually the feature is great and should exist, but in its current
form should be worked to be generic (i.e. not specific to
Windows/Bitlocker, but appliable to any boot entry), not be global (but
be a per-entry thing), not require a BootXXXX entry to exist, and not
check for the BitLocker signature (as TPMs are not just used for
BitLocker).
Since we want to get 251 released, mark it in the documentation, in NEWS
and in code as experimental and make clear it will be reworked in a
future release. Also, make it opt-in to make it less likely people come
to rely on it without reading up on it, and understanding that it will
likely change sooner or later.
Follow-up for: #22043
See: #22390
Handle the case where TPM2 metadata is not available and explicitly
provided in crypttab. This adds a new "tpm2-pin" option to crypttab
options for this purpose.
This makes a bunch of closely related changes:
1. The "entry-token" concept already introduced in kernel-install is now
made use of. i.e. specifically there's a new option --entry-token=
that can be used to explicitly select by which ID to identify boot
loader entries: the machine ID, or some OS ID (ID= or IMAGE_ID= from
/etc/os-release, or even some completely different string. The
selected string is then persisted to /etc/kernel/entry-token, so that
kernel-install can find it there.
2. The --make-machine-id-directory= switch is renamed to
--make-entry-directory= since after all it's not necessarily the
machine ID the dir is named after, but can be any other string as
selected by the entry token.
3. This drops all code to make automatic changes to /etc/machine-info.
Specifically, the KERNEL_INSTALL_MACHINE_ID= field is now more
generically implemented in /etc/kernel/entry-token described above,
hence no need to place it at two locations. And the
KERNEL_INSTALL_LAYOUT= field is not configurable by user switch or
similar anyway in bootctl, but only read from
/etc/kernel/install.conf, and hence copying it from one configuration
file to another appears unnecessary, the second copy is fully
redundant. Note that this just drops writing these fields, they'll
still be honoured when already set.
This drops documentation of KERNEL_INSTALL_MACHINE_ID as machine-info
field (though we'll still read it for compat).
This updates the kernel-install man page to always say "ENTRY-TOKEN"
instead of "MACHINE-ID" where appropriate, to clear the confusion up
between the two.
This also tries to fix how we denote env vars (always prefix with $ and
without = suffix), and other vars (without $ but with = suffix)
Other fixes.
Unprivileged overlayfs is supported since Linux 5.11. The only
change needed to get ExtensionDirectories to work is to avoid
hard-coding the staging directory to the system manager runtime
directory, everything else just works (TM).
This mirrors a similar check in Linux kernel 5.16
(9dcc38e2813e0cd3b195940c98b181ce6ede8f20) that raised the
RLIMIT_MEMLOCK to 8M.
This change does two things: raise the default limit for nspawn
containers (where we try to mimic closely what the kernel does), and
bump it when running on old kernels which still have the lower setting.
Fixes: #16300
See: https://lwn.net/Articles/876288/
Remove the list logic, and simply skip passing metadata if more than one
unit triggered an OnFailure/OnSuccess handler.
Instead of a single env var to loop over, provide each separate item
as its own variable.
Fixes https://github.com/systemd/systemd/issues/22370
