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The following are all equivalent:
--unit foo.service bar.service
--unit=foo.service bar.service
--unit=foo.service --unit=bar.service
foo.service bar.service --unit
Similarly for --user-unit.
The only case that doesn't work well is when --unit and --user-unit are mixed:
--unit=foo.service --user-unit=bar.service
We'll treat both names as user units. I think this is OK.
$ systemd-cgls -u systemd-journald.service machine.slice
I opted for a "global" switch, instead of modifying the behaviour of just one
argument. It seem to be a more useful setting, since usually one will want to
query one or more units, and not mix unit names with paths.
Closes#5156.
show_cgroup_get_root_and_warn is renamed to show_cgroup_get_path_and_warn
because it now optionally allows querying a non-root path.
This removes duplicated code and teaches cgtop to combine
-M with a root prefix:
$ systemd-cgtop -M myprecious /system.slice
...
'systemctl --failed' is an extremely common operation and it's nice to have
a shortcut for it.
Revert "man: don't document systemctl --failed" and add the option back to
systemctl's help and shell completion scripts.
This reverts commit 036359ba8d.
If "3", "5", "systemd.unit=", or similar are present on the kernel command line,
the system will not enter into offline update. This behaviour is in line with the
general logic that configuration on the kernel command line has higher priority
than the configuration on disk, but is rather surprising. Emit a warning to help
users diagnose the situation.
https://bugzilla.redhat.com/show_bug.cgi?id=1405439#c4
* logind: trivial simplification
free_and_strdup() handles NULL arg, so make use of that.
* boot: fix two typos
* pid1: rewrite check in ignore_proc() to not check condition twice
It's harmless, but it seems nicer to evaluate a condition just a single time.
* core/execute: reformat exec_context_named_iofds() for legibility
* core/execute.c: check asprintf return value in the usual fashion
This is unlikely to fail, but we cannot rely on asprintf return value
on failure, so let's just be correct here.
CID #1368227.
* core/timer: use (void)
CID #1368234.
* journal-file: check asprintf return value in the usual fashion
This is unlikely to fail, but we cannot rely on asprintf return value
on failure, so let's just be correct here.
CID #1368236.
* shared/cgroup-show: use (void)
CID #1368243.
* cryptsetup: do not return uninitialized value on error
CID #1368416.
The failure message is typically currently:
execv() failed: No such file or directory
which is not very useful because it doesn’t tell you which file or
directory it was trying to exec.
networkd: Allow ':' in label
This reverts a341dfe563 and takes a slightly different approach: anything is
allowed in network interface labels, but network interface names are verified
as before (i.e. amongst other things, no colons are allowed there).
src/nss-resolve/nss-resolve.c: In function ‘_nss_resolve_gethostbyname_r’:
src/nss-resolve/nss-resolve.c:680:13: warning: RES_USE_INET6 is deprecated
NSS_GETHOSTBYNAME_FALLBACKS(resolve);
^~~~~~~~~~~~~~~~~~~~~~~~~
In glibc bz #19582, RES_USE_INET6 was deprecated. This might make sense for
clients, but they didn't take into account nss module implementations which
*must* continue to support the option. glibc internally defines
DEPRECATED_RES_USE_INET6 which can be used without emitting a warning, but
it's not exported publicly. Let's do the same, and just copy the definition
to our header.
gcc 7 adds -Wimplicit-fallthrough=3 to -Wextra. There are a few ways
we could deal with that. After we take into account the need to stay compatible
with older versions of the compiler (and other compilers), I don't think adding
__attribute__((fallthrough)), even as a macro, is worth the trouble. It sticks
out too much, a comment is just as good. But gcc has some very specific
requiremnts how the comment should look. Adjust it the specific form that it
likes. I don't think the extra stuff we had in those comments was adding much
value.
(Note: the documentation seems to be wrong, and seems to describe a different
pattern from the one that is actually used. I guess either the docs or the code
will have to change before gcc 7 is finalized.)
```
-bash-4.3# systemd-run --property BindPaths=/etc:tmp/hey sh -c 'ls /tmp/hey'
```
prints
`Destination path tmp/hey is not absolute.`
instead of
`Destination path /etc is not absolute.`
CID #1368239
If chase_symlinks() encouters an absolute symlink, it resets the todo
buffer to just the newly discovered symlink and discards any of the
remaining previous symlink path. Regardless of whether or not the
symlink is absolute or relative, we need to preserve the remainder of
the path that has not yet been resolved.
When the service is run in the initramfs, it is possible for it to get started
and not be fast enough to exit before the root switch happens. It is started
multiple times (depending on the consoles being detected), and runs
asynchronously, so this is quite likely. It'll then get killed by killall(),
and systemd will consider the service failed. To avoid all this, just wait
for the service to terminate on it's own.
Before=initrd-switch-root.target should be good for the initramfs, and
Before=shutdown.tuarget should be good for the real system, although it's
unlikely to make any difference there.
The service already has DefaultDeps disabled, so systemd should not try to stop
it. And if it *does* get stopped, we don't want the zombie process around.
KillMode=none does not change anything in the killall() phase, and we already
use argv[0][0] = '@' to protect against that anyway. KillMode=none should not
be useful in normal operation, so let's leave it out.
