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Add `--value` option to systemctl and loginctl to only print values
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activate: improve SIGCHLD handler
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man: update links to kernel.org cgroup documentation
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tests: don't rely on underlying fs in udev-test, use tmpfs instead
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* Don't lose children exit codes
* Don't receive notification when child processes stop
Eliminates annoying "Child died"-messages:
$ ./systemd-socket-activate -l 2000 --inetd -a cat
^Z
[1]+ Stopped ./systemd-socket-activate -l 2000 --inetd -a cat
$ bg %1
[1]+ ./systemd-socket-activate -l 2000 --inetd -a cat &
Child 15657 died with code 20
$ ps u 15657
USER PID %CPU %MEM VSZ RSS TTY STAT START TIME COMMAND
ubuntu 15657 0.0 0.0 4540 680 pts/2 S 00:34 0:00 cat
* Don't fail to reap some zombie children
Fixes
$ ./systemd-socket-activate -l 2000 --inetd -a cat &
$ for i in {1..1000}; do echo a | nc localhost 2000 & done
$ ps f
...
18235 pts/2 Ss 0:01 -bash
15849 pts/2 S 0:00 \_ ./systemd-socket-activate -l 2000 --inetd
-a cat
16081 pts/2 Z 0:00 | \_ [cat] <defunct>
16381 pts/2 Z 0:00 | \_ [cat] <defunct>
and many more zombies
...
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systemctl: don't start polkit agent when running as root
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Fixes: #457
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On the server side we already bypass the polkit checks if the caller is root
(see the sd_bus_query_sender_privilege() call in bus_verify_polkit_async()). So
there is no reason to invoke polkit when running
systemctl/machinectl/loginctl/timedatectl as root.
Fixes #2748
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sd-device: fix crash if a device has many tags
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This recently moved from /cgroups/ to /cgroup-v1/.
Fixes #2958
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strjoina() is unsafe to be used in an unbounded loop as alloca() has no error
reporting. Thus devices with a large number of tags or devlinks trigger a
segfault in device_properties_prepare() due to overflowing the stack.
Rewrite the building of the "tags" and "devlinks" strings using
GREEDY_REALLOC() and strpcpy() to work with arbitrarily long strings. This also
avoids re-copying the entire string in each loop iteration.
Before this commit we always appended one final ":" to "tags". Change this to
start with an iniital ":" and for each tag append instead of prepend a ":".
This unifies what happens for the first and all subsequent tags so that we can
use a for loop.
Fixes #2954
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With this option, systemctl will only print the rhs in show:
$ systemctl show -p Wants,After systemd-journald --value
systemd-journald.socket ...
systemd-journald-dev-log.socket ...
This is useful in scripts, because the need to call awk or similar
is removed.
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*.localdomain != localhost
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".localdomain" is not a reserved suffix (or prefix). I'm not aware of any
product expecting *.localdomain to resolve to localhost, however I am aware of
at least one product that defaults to ".localdomain" as its DNS suffix provided
via DHCP (pfSense). This leads to unexpected results when attempting to access
a host that's offline (or a host that's online, when nsswitch.conf is
[mis-]configured to have myhostname ahead of DNS).
Operate on:
localhost (and localhost.)
*.localhost (and *.localhost.)
localhost.localdomain (and localhost.localdomain.)
*.localhost.localdomain (and *.localhost.localdomain.)
We should not cover:
*.localdomain (nor *.localdomain.)
localdomain (nor localdomain.)
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Offline updates man page
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NEWS: add some more items
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run: add colon before printing started units
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Resolves #2908
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* tests-functions: improve FSTYPE-support
make clean setup FSTYPE=reiserfs is working fine now :)
* basic: fallback to fstatat if entry->d_type is DT_UNKNOWN
Fixes localectl on reiserfs:
-bash-4.3# mkdir -p /usr/lib/locale
-bash-4.3# stat -f /usr/lib/locale/
File: "/usr/lib/locale/"
ID: bdb0322715b5366e Namelen: 255 Type: reiserfs
Block size: 4096
Blocks: Total: 99835 Free: 60262 Available: 60262
Inodes: Total: 0 Free: 0
-bash-4.3# mkdir /usr/lib/locale/HeyHo
-bash-4.3# localectl list-locales --no-pager
-bash-4.3# mount -t tmpfs tmpfs /usr/lib/locale
-bash-4.3# mkdir /usr/lib/locale/HeyHo
-bash-4.3# localectl list-locales --no-pager
HeyHo
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In 110ceee58e5bc796c03a7db2109f85a999d5bc2e we removed the period after
printing the started units. This makes copying the unit name easier but
results in improper English.
This adds a colon before printing the units, which makes the output
look better.
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DUID support is mentioned without details since those are still
being worked out.
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Revert "time-util: fall back to CLOCK_MONOTONIC if CLOCK_BOOTTIME unsupported"
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Most of the changes are already implemented in dnf-system-upgrade.service
and packagekit-offline-update.service, so this update mostly changes the
documentation to match status quo.
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It could be that our .service is being stopped precisely because the
device already disappeared (e.g. due to a manual `cryptsetup close`, or
due to UDisks2 cleaning up).
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dhcp-identifier: handle too large duid_len argument in dhcp_validate_duid_len()
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dont create bind-mount target when it exists
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for bind-mounts when they already exist. This allows
bind-mounting over read-only files.
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Callers of dhcp_validate_duid_len() know that they must not pass
a zero duid_len. Thus asserting against that is appropriate.
On the other hand, they are not aware of the maximum allowed length
of a duid, as that is the reason why they call dhcp_validate_duid_len()
in the first place. So dhcp_validate_duid_len() should just signal a
regular error.
Thereby, change assert_return() to an assert() as this is an internal
function.
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sd-dbus: Fix uint32 property reading
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%u is a simple uint which might not be 32 bit on every platform. Use PRIu32
instead.
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Fix copy&paste bug in map_basic() to use the correct data type for
SD_BUS_TYPE_UINT32. Before we were copying the wrong 32 bits into the
destination pointer, resulting in complete garbage on big-endian systems.
Fixes #2927
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man: Fix documented parameters for udev_device_get_ functions
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core: improve error message when starting template without instance
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lldp: move public macros to sd-lldp.h and namespace them
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core: cgroup2 support
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core: ShutdownWatchdogSec=infinity disables the watchdog logic too
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This is a follow-up for 947292eef
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core: RuntimeWatchdogSec=infinity disables the watchdog logic
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build-sys: fix build with libgrcypt disabled
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shared: fix a misspelling of "journalctl"
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