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Commit Graph

3159 Commits

Author SHA1 Message Date
Lennart Poettering
565dab8ef4 man: briefly document permitted user/group name syntax for User=/Group= and syusers.d (#6321)
As discussed here:

https://lists.freedesktop.org/archives/systemd-devel/2017-July/039237.html
2017-07-10 13:44:06 -04:00
Yu Watanabe
3747daa2e5 systemd-mount: support unmounting devices on remote host
The commit 9017f5d88d prohibits
to unmount devices on remote host. This makes reenable such feature.
2017-07-05 21:55:39 +09:00
Yu Watanabe
f0aac575fc systemd-mount: support discovery of loop backing file
```
$ suro systemd-mount /path/to/disk.img
Started unit run-media-system-disk.img.mount for mount point: /run/media/system/disk.img
```

Closes #6226.
2017-07-05 21:54:40 +09:00
NeilBrown
65e1dee7dc fstab-generator: handle NFS "bg" mounts correctly. (#6103)
When "bg" is specified for NFS mounts, and if the server is
not accessible, two behaviors are possible depending on networking
details.
If a definitive error is received, such a EHOSTUNREACH or ECONNREFUSED,
mount.nfs will fork and continue in the background, while /bin/mount
will report success.
If no definitive error is reported but the connection times out
instead, then the mount.nfs timeout will normally be longer than the
systemd.mount timeout, so mount.nfs will be killed by systemd.

In the first case the mount has appeared to succeed even though
it hasn't.  This can be confusing.  Also the background mount.nfs
will never get cleaned up, even if the mount unit is stopped.

In the second case, mount.nfs is killed early and so the mount will
not complete when the server comes back.

Neither of these are ideal.

This patch modifies the options when an NFS bg mount is detected to
force an "fg" mount, but retain the default "retry" time of 10000
minutes that applies to "bg" mounts.
It also imposes "nofail" behaviour and sets the TimeoutSec for the
mount to "infinity" so the retry= time is allowed to complete.
This provides near-identical behaviour to an NFS bg mount started directly
by "mount -a".  The only difference is that systemd will not wait for
the first mount attempt, while "mount -a" will.

Fixes #6046
2017-07-04 09:47:40 +02:00
Zbigniew Jędrzejewski-Szmek
25fb19da67 man: remove unnecessary "the" 2017-07-03 10:33:42 -04:00
Lennart Poettering
939ae460cd Merge pull request #6231 from keszybz/man-nss-resolved
man: describe the relationship between nss-myhostname and nss-resolved
2017-07-03 16:11:16 +02:00
Lennart Poettering
e634bca681 Merge pull request #6233 from keszybz/man-locale-vconsole
Small doc updates for 00-keyboard.conf, vconsole.conf, locale.conf
2017-07-03 11:40:42 +02:00
Zbigniew Jędrzejewski-Szmek
f518ee04d7 man: add zypper instructions for systemd-nspawn
v2:
- add -c and update the list of packages
v3:
- link to a man page on mankier.com
2017-07-02 19:11:48 -04:00
Zbigniew Jędrzejewski-Szmek
fa0c9e6315 man: add more detail about quoting in ExecStart lines
Fixes #624.
2017-06-30 10:00:13 -04:00
Lars Karlitski
78c1edd1ef man: fix spelling error of sd_bus_error_set_const (#6246) 2017-06-30 11:57:13 +02:00
Zbigniew Jędrzejewski-Szmek
8968e36f21 man: mention localed and localectl in locale.conf(5) and vconsole.conf(5)
Fixes #295.

(We cannot add a comment to either of those files because they are documented
to "only support variable assignments", so it's better to add an explanation
in the man page instead.)
2017-06-28 22:47:55 -04:00
Zbigniew Jędrzejewski-Szmek
2b015ea4b2 man: describe the relationship between nss-myhostname and nss-resolved
Fixes #1605.
2017-06-28 20:43:37 -04:00
Yu Watanabe
6f6165bf7d systemd-mount: support unmounting loop devices by backing files (#6211)
This makes `systemd-umount` or `systemd-mount -u` support unmounting
loop devices by the corresponding backing files, like
`systemd-mount --umount /tmp/foo.img /tmp/bar.img`

Fixes #6206.
2017-06-28 14:19:38 -04:00
Lennart Poettering
cd2dfc6fae nspawn: register a scope for the unit if --register=no is specified (#6166)
Previously, only when --register=yes was set (the default) the invoked
container would get its own scope, created by machined on behalf of
nspawn. With this change if --register=no is set nspawn will still get
its own scope (which is a good thing, so that --slice= and --property=
take effect), but this is not done through machined but by registering a
scope unit directly in PID 1.

Summary:

--register=yes             → allocate a new scope through machined (the default)
--register=yes --keep-unit → use the unit we are already running in an register with machined
--register=no              → allocate a new scope directly, but no machined
--register=no --keep-unit  → do not allocate nor register anything

Fixes: #5823
2017-06-28 13:22:46 -04:00
Lennart Poettering
2eb6ff5e71 man: extend Before=/After= documentation a bit
let's clarify what the order actually means for service units.

Fixes: #6097
2017-06-27 21:30:48 +02:00
Lennart Poettering
80af263b6c man: improve documentation of ExecStartPost= a bit
Let's make clear what start-up really means in this case.

See: #6097
2017-06-27 21:30:48 +02:00
Lennart Poettering
23254af18d man: be more precise on the ConditionFirstBoot= documentation
Fixes: #5696
2017-06-27 21:30:48 +02:00
Zbigniew Jędrzejewski-Szmek
180f6dbd2c Merge pull request #6067 from ssahani/networkctl
networkctl: display address labels
2017-06-27 11:41:09 -04:00
Zbigniew Jędrzejewski-Szmek
a5be8dabd6 Add networkctl label to man and shell completion 2017-06-27 10:30:41 -04:00
Janne Heß
259d1af8d6 doc: Add an example for target units (#5951)
This adds an example target unit to the man page of systemd targets.

Closes #67.
2017-06-27 09:50:28 +02:00
Evgeny Vereshchagin
82891136d7 Merge pull request #6160 from poettering/non-pollable-fdstore
support for non-pollable fds in the service fdstore
2017-06-27 00:22:58 +03:00
Yu Watanabe
9017f5d88d systemd-mount: support device names and multiple arguments for umount (#6096)
This makes systemd-umount (or systemd-mount -u) supports multiple arguments
which can be path, device, or fstab style node name, like
`systemd-umount /path/to/umount /dev/sda1 UUID=xxxxxx-xxxx LABEL=xxxxx`.

C.f. https://github.com/systemd/systemd/pull/5235#issuecomment-277731314.
2017-06-26 16:07:07 -04:00
Lennart Poettering
3ceb72e558 core: permit FDSTORE=1 messages with non-pollable fds
This also alters the documentation to recommend memfds rather than /run
for serializing state across reboots. That's because /run doesn't
actually have the same lifecycle as the fd store, as it is cleared out
on restarts.

Fixes: #5606
2017-06-26 15:14:41 +02:00
Susant Sahani
593022fa37 systemd-link: add support to configure the device port (#6153)
This work allows to configure device port:

tp — An Ethernet interface using Twisted-Pair cable as the medium.
aui — Attachment Unit Interface (AUI). Normally used with hubs.
bnc — An Ethernet interface using BNC connectors and co-axial cable.
mii — An Ethernet interface using a Media Independent Interface (MII).
fibre — An Ethernet interface using Optical Fibre as the medium.
2017-06-25 18:42:57 -04:00
Zbigniew Jędrzejewski-Szmek
7e867138f5 Merge pull request #5600 from fbuihuu/make-logind-restartable
Make logind restartable.
2017-06-24 18:58:36 -04:00
Waldemar Brodkorb
e7e11bbf34 make nss-systemd support conditional (#6155)
This allows the nss-systemd module to be disabled on minimal installations.
2017-06-24 13:30:26 -04:00
Lennart Poettering
6c223c6719 Merge pull request #6113 from keszybz/shell-quoting
Use "dollar-single-quotes" to escape shell-sensitive strings
2017-06-20 20:17:03 +02:00
Zbigniew Jędrzejewski-Szmek
804ee07c13 Use "dollar-single-quotes" to escape shell-sensitive strings
Also called "ANSI-C Quoting" in info:(bash) ANSI-C Quoting.

The escaping rules are a POSIX proposal, and are described in
http://austingroupbugs.net/view.php?id=249. There's a lot of back-and-forth on
the details of escaping of control characters, but we'll be only using a small
subset of the syntax that is common to all proposals and is widely supported.
Unfortunately dash and fish and maybe some other shells do not support it (see
the man page patch for a list).

This allows environment variables to be safely exported using show-environment
and imported into the shell. Shells which do not support this syntax will have
to do something like
    export $(systemctl show-environment|grep -v '=\$')
or whatever is appropriate in their case. I think csh and fish do not support
the A=B syntax anyway, so the change is moot for them.

Fixes #5536.

v2:
- also escape newlines (which currently disallowed in shell values, so this
  doesn't really matter), and tabs (as $'\t'), and ! (as $'!'). This way quoted
  output can be included directly in both interactive and noninteractive bash.
2017-06-19 19:39:43 -04:00
Zbigniew Jędrzejewski-Szmek
189cd8c2ab man: describe RuntimeDirectoryMode=
Fixes #5509.
2017-06-17 15:23:02 -04:00
Pat Riehecky
42d3bf86bb man: systemd-timesyncd.service(8) (#6109)
Updates the documentation to note use of SNTP (resolves #5735)
2017-06-09 18:48:25 -04:00
Franck Bui
9b1419111a core: only apply NonBlocking= to fds passed via socket activation
Make sure to only apply the O_NONBLOCK flag to the fds passed via socket
activation.

Previously the flag was also applied to the fds which came from the fd store
but this was incorrect since services, after being restarted, expect that these
passed fds have their flags unchanged and can be reused as before.

The documentation was a bit unclear about this so clarify it.
2017-06-06 22:42:50 +02:00
Martin Pitt
5304b4ea72 Merge pull request #6058 from keszybz/chrooted-test-fixes
Chrooted test fixes
2017-06-01 09:37:13 +02:00
Yu Watanabe
ff5d2cd03d man: update sd_get_seats(3) 2017-05-31 19:24:47 -04:00
Zbigniew Jędrzejewski-Szmek
bc9e9af137 sd-login: translate -ENOMEDIUM to -ENODATA
The -ENOMEDIUM return value was introduced in v232-1001-g2977724b09,
('core: make hybrid cgroup unified mode keep compat /sys/fs/cgroup/systemd hierarchy'),
and would be returned by cg_pid_get_path_shifted(), but the documented and
expected return value is -ENODATA. Let's just catch ENXIO/ENOMEDIUM and translate
it to ENODATA in all cases.

Complements 171f8f591f, fixes #6012.
2017-05-30 21:17:46 -04:00
Zbigniew Jędrzejewski-Szmek
03c3c52040 man: update MemoryDenyWriteExecute description for executable stacks
Without going into details, mention that libraries are also covered by the
filters, and that executable stacks are a no no.

Closes #5970.
2017-05-30 16:44:48 -04:00
Zbigniew Jędrzejewski-Szmek
0e3f51cf8d man: don't say that ExecStart syntax is "very shell"
Fixes #6035.
2017-05-30 16:33:42 -04:00
Tobias Jungel
0d6c68eba3 network: bridge vlan without PVID (#5899)
this patch makes it possible to configure a vlan aware bridge without the
PVID. To configure no PVID set DefaultPVID=none in the [BridgeVLAN] section.

fixes #5716
2017-05-29 17:20:01 +02:00
Lennart Poettering
defdbbb6dc Merge pull request #5926 from fsateler/condition-uid
core: add ConditionUID and ConditionGID
2017-05-29 15:18:38 +02:00
Felipe Sateler
534bab66ab core: add @system special value to ConditionUser=
It allows checking if the user is a system user or a normal user
2017-05-26 09:42:47 -04:00
Felipe Sateler
c465a29f24 core: add ConditionUser and ConditionGroup
This adds two options that are useful for user units. In particular, it
is useful to check ConditionUser=!0 to not start for the root user.

Closes: #5187
2017-05-26 09:42:44 -04:00
Djalal Harouni
7a093ea246 Merge pull request #5990 from keszybz/logind
A bunch of sd-login improvements
2017-05-21 07:14:21 +02:00
Daniel Wang
d6eac9bd06 DHCP: when adding static routes set scopes properly (#5982)
DHCP responses could include static routes, but unfortunately not an
option to tell what scope to use. So it's important that the client sets
it properly.

This mimics what the `ip route add` command does when adding a static
route without an explicit scope:

* If the destination IP is on the local host, use scope `host`
* Otherwise if the gateway IP is null (direct route), use scope `link`
* If anything else, use the current default `global`.

Fixes #5979.
2017-05-20 07:05:18 -04:00
Alexey Brodkin
27b09f1f1e architecture: add Synopsys DesignWare ARC cores support (#5992)
DesignWare ARC Processors are a family of 32-bit CPUs from Synopsys
used extensively in SoCs of different vendors.
2017-05-19 10:55:24 -04:00
Lennart Poettering
215a2db419 man: fix typo m86k → m68k (#5993) 2017-05-19 11:37:30 +02:00
Lennart Poettering
6b7af82122 man: extend documentation on sd_bus_add_match a bit()
Explain briefly how the concept of "sd_bus_slot" works.

This recently came up on the mailing list, hence let's document this for
the next time.
2017-05-18 22:26:08 -04:00
Zbigniew Jędrzejewski-Szmek
ce737f46cd test-login: make the test non-manual
test-login.c is largely rewritten to use _cleanup_ and give more meaningful
messages (function names are used instead of creative terms like "active
session", so that when something unexpected is returned, it's much easier to
see what function is responsible).

The monitoring part is only activated if '-m' is passed on the command line.

It runs against the information from /run/systemd/ in the live system, but that
should be OK: logind/sd-login interface is supposed to be stable and both
backwards and forwards compatible.

If not running in a login session, some tests are skipped.

Those two changes together mean that it's possible to run test-login in the
test suite.

Tests for sd_pid_get_{unit,user_unit,slice} are added.
2017-05-18 22:11:58 -04:00
Zbigniew Jędrzejewski-Szmek
cc6182e854 sd-login: always return two arrays of same length from sd_seat_get_sessions
sd_seat_get_sessions returns two arrays, that in principle should always match:
the session names and corresponding uids. The second array could be shorter only
if parsing or uid conversion fails. But in that case there is no way to tell
*which* uid is wrong, so they are *all* useless. It's better to simplify things and
just return an error if parsing fails.
2017-05-18 21:59:09 -04:00
Elias Probst
cf917c27b6
man: fix typo (--network-zones--network-zone) 2017-05-13 20:56:44 +02:00
Ray Strode
af92daebc5 man: fix LD_LIBRARY_PATH example in environment.d (#5929)
The example for LD_LIBRARY_PATH in the environment.d man page is wrong.

When setting LD_LIBRARY_PATH, the new directory usually needs to be at
the front so it overrides old directories.

In the example, the colon delimiter is correctly prepended to the front, but
the actual new path is erroneously appended to the end.

This commit moves it to the front where it belongs.
2017-05-10 22:23:54 -04:00
Susant Sahani
6c1ff21b00 network: add support for vlan confs(MVRP, reorder header, loose binding) (#5834) 2017-05-09 20:25:11 +02:00