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* man: Mention systemd-oomd now follows OOMPolicyNishal Kulkarni2022-03-221-1/+1
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* pid1,nspawn: raise default RLIMIT_MEMLOCK to 8MLennart Poettering2022-03-101-4/+6
| | | | | | | | | | | | | 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/
* watchdog: add setting to configure pretimeout governorLuca Boccassi2022-02-221-14/+24
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* watchdog: Add watchdog pretimeout supportCurtis Klein2022-02-221-0/+34
| | | | | | | | | | | | | | Add support for managing and configuring watchdog pretimeout values if the watchdog hardware supports it. The ping interval is adjusted to account for a pretimeout so that it will still ping at half the timeout interval before a pretimeout event would be triggered. By default the pretimeout defaults to 0s or disabled. The RuntimeWatchdogPreSec config option is added to allow the pretimeout to be specified (similar to RuntimeWatchdogSec). The RuntimeWatchdogPreUSec dbus property is added to override the pretimeout value at runtime (similar to RuntimeWatchdogUSec). Setting the pretimeout to 0s will disable the pretimeout.
* watchdog: always prefer /dev/watchdog0 over /dev/watchdogLennart Poettering2021-10-181-2/+2
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* man: document new "off" setting for systemd-system.conf watchdog settingsLennart Poettering2021-10-131-5/+7
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* Merge pull request #20787 from fbuihuu/watchdog-more-reworkLennart Poettering2021-10-131-27/+40
|\ | | | | Watchdog more rework
| * watchdog: rename special string "infinity" taken by the watchdog timeout ↵Franck Bui2021-10-131-1/+1
| | | | | | | | options to "default"
| * watchdog: update the documentationFranck Bui2021-10-131-27/+40
| | | | | | | | | | While at it, split the watchdog section into a few paragraphs to make it easier to read as it becomes lengthy.
* | man: document the new DefaultOOMScoreAdjust= settingLennart Poettering2021-10-041-0/+14
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* man: fix assorted issues reported by the manpage-l10n projectZbigniew Jędrzejewski-Szmek2021-07-271-1/+1
| | | | Fixes #20297.
* core: rework unit printing and implement 'combined' formatZbigniew Jędrzejewski-Szmek2021-06-301-5/+9
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | The code to print unit status formats had a long history, and became a hard-to-manage mess of duplicate code parts. We would use sprintf() to format a string, and then call sprintf() again… The code is reworked to avoid repeated formattings and to streamline printing to the log and the console. The approach used in this patch is a bit more complex then in patches by Colin Walter and Paweł Marciniak, because an allocation is only done if "combined" format is used. In other cases we return the existing ->id or ->description strings. The caller can also control whether a shorter or longer status string should be used. This way the caller can use a shorter format where it makes sense, for example in the cylon eye output, where we don't have enough horizontal space. Patch is based on Colin Walters' https://github.com/systemd/systemd/pull/15957, and Paweł Marciniak's patch posted on fedora-devel. Note: for some reason, the functions for printing of start and stop messages were sepearated by some unrelated functions. They are moved to be consecutive, but this makes the much more verbose than it would be otherwise. I found it useful to view in gitk's "new" mode. Co-authored-by: Colin Walters <walters@verbum.org> Co-authored-by: Paweł Marciniak <sunwire+git@gmail.com> Output from a Fedora Rawhide container boot (w/ some follow-up patches to tweak Descriptions): Welcome to Fedora 35 (Rawhide Prerelease)! Queued start job for default target graphical.target. [ OK ] Created slice system-getty.slice - Slice /system/getty. [ OK ] Created slice system-modprobe.slice - Slice /system/modprobe. [ OK ] Created slice system-sshd\x2dkeygen.slice - Slice /system/sshd-keygen. [ OK ] Created slice user.slice - User and Session Slice. [ OK ] Started systemd-ask-password-console.path - Dispatch Password Requests to Console Directory Watch. [ OK ] Started systemd-ask-password-wall.path - Forward Password Requests to Wall Directory Watch. [ OK ] Reached target cryptsetup.target - Local Encrypted Volumes. [ OK ] Reached target paths.target - Path Units. [ OK ] Reached target remote-cryptsetup.target - Remote Encrypted Volumes. [ OK ] Reached target remote-fs.target - Remote File Systems. [ OK ] Reached target slices.target - Slice Units. [ OK ] Reached target swap.target - Swaps. [ OK ] Reached target veritysetup.target - Local Verity Integrity Protected Volumes. [ OK ] Listening on systemd-coredump.socket - Process Core Dump Socket. [ OK ] Listening on systemd-initctl.socket - initctl Compatibility Named Pipe. [ OK ] Listening on systemd-journald-dev-log.socket - Journal Socket (/dev/log). [ OK ] Listening on systemd-journald.socket - Journal Socket. [ OK ] Listening on systemd-networkd.socket - Network Service Netlink Socket. [ OK ] Listening on systemd-userdbd.socket - User Database Manager Socket. Mounting dev-hugepages.mount - Huge Pages File System... Starting systemd-journald.service - Journal Service... Starting systemd-remount-fs.service - Remount Root and Kernel File Systems... Starting systemd-sysctl.service - Apply Kernel Variables... [ OK ] Mounted dev-hugepages.mount - Huge Pages File System. [ OK ] Finished systemd-remount-fs.service - Remount Root and Kernel File Systems. Starting systemd-hwdb-update.service - Rebuild Hardware Database... Starting systemd-sysusers.service - Create System Users... [ OK ] Finished systemd-sysctl.service - Apply Kernel Variables. [ OK ] Started systemd-journald.service - Journal Service. Starting systemd-journal-flush.service - Flush Journal to Persistent Storage... [ OK ] Finished systemd-sysusers.service - Create System Users. Starting systemd-tmpfiles-setup-dev.service - Create Static Device Nodes in /dev... [ OK ] Finished systemd-tmpfiles-setup-dev.service - Create Static Device Nodes in /dev. [ OK ] Reached target local-fs-pre.target - Preparation for Local File Systems. [ OK ] Reached target local-fs.target - Local File Systems. [ OK ] Reached target machines.target - Containers. Starting dracut-shutdown.service - Restore /run/initramfs on shutdown... Starting ldconfig.service - Rebuild Dynamic Linker Cache... [ OK ] Finished dracut-shutdown.service - Restore /run/initramfs on shutdown. [ OK ] Finished ldconfig.service - Rebuild Dynamic Linker Cache. [ OK ] Finished systemd-journal-flush.service - Flush Journal to Persistent Storage. Starting systemd-tmpfiles-setup.service - Create Volatile Files and Directories... [ OK ] Finished systemd-tmpfiles-setup.service - Create Volatile Files and Directories. Starting systemd-journal-catalog-update.service - Rebuild Journal Catalog... Starting systemd-oomd.service - Userspace Out-Of-Memory (OOM) Killer... Starting systemd-update-utmp.service - Update UTMP about System Boot/Shutdown... Starting systemd-userdbd.service - User Database Manager... [ OK ] Finished systemd-update-utmp.service - Update UTMP about System Boot/Shutdown. [ OK ] Finished systemd-journal-catalog-update.service - Rebuild Journal Catalog. [ OK ] Started systemd-userdbd.service - User Database Manager. [ OK ] Started systemd-oomd.service - Userspace Out-Of-Memory (OOM) Killer. [ OK ] Finished systemd-hwdb-update.service - Rebuild Hardware Database. Starting systemd-networkd.service - Network Configuration... Starting systemd-update-done.service - Update is Completed... [ OK ] Finished systemd-update-done.service - Update is Completed. [ OK ] Reached target sysinit.target - System Initialization. [ OK ] Started dnf-makecache.timer - dnf makecache --timer. [ OK ] Started logrotate.timer - Daily rotation of log files. [ OK ] Started systemd-tmpfiles-clean.timer - Daily Cleanup of Temporary Directories. [ OK ] Reached target timers.target - Timer Units. [ OK ] Listening on dbus.socket - D-Bus System Message Bus Socket. [ OK ] Reached target sockets.target - Socket Units. [ OK ] Reached target basic.target - Basic System. [ OK ] Reached target sshd-keygen.target. Starting sysstat.service - Resets System Activity Logs... Starting systemd-homed.service - Home Area Manager... Starting systemd-logind.service - User Login Management... Starting dbus-broker.service - D-Bus System Message Bus... [FAILED] Failed to start sysstat.service - Resets System Activity Logs. See 'systemctl status sysstat.service' for details. [ OK ] Started dbus-broker.service - D-Bus System Message Bus. [ OK ] Started systemd-homed.service - Home Area Manager. [ OK ] Finished systemd-homed-activate.service - Home Area Activation. [ OK ] Started systemd-logind.service - User Login Management. [ OK ] Started systemd-networkd.service - Network Configuration. Starting systemd-networkd-wait-online.service - Wait for Network to be Configured... Starting systemd-resolved.service - Network Name Resolution... [ OK ] Started systemd-resolved.service - Network Name Resolution. [ OK ] Reached target network.target - Network. [ OK ] Reached target nss-lookup.target - Host and Network Name Lookups. Starting sshd.service - OpenSSH server daemon... Starting systemd-user-sessions.service - Permit User Sessions... [ OK ] Finished systemd-user-sessions.service - Permit User Sessions. [ OK ] Started console-getty.service - Console Getty. [ OK ] Reached target getty.target - Login Prompts. [ OK ] Started sshd.service - OpenSSH server daemon. [ OK ] Reached target multi-user.target - Multi-User System. [ OK ] Reached target graphical.target - Graphical Interface. Starting systemd-update-utmp-runlevel.service - Update UTMP about System Runlevel Changes... [ OK ] Finished systemd-update-utmp-runlevel.service - Update UTMP about System Runlevel Changes. Fedora 35 (Rawhide Prerelease) Kernel 5.12.12-300.fc34.x86_64 on an x86_64 (console) rawhide login: [ OK ] Stopped session-24.scope - Session 24 of User zbyszek. [ OK ] Removed slice system-getty.slice - Slice /system/getty. [ OK ] Removed slice system-modprobe.slice - Slice /system/modprobe. [ OK ] Removed slice system-sshd\x2dkeygen.slice - Slice /system/sshd-keygen. [ OK ] Stopped target graphical.target - Graphical Interface. [ OK ] Stopped target multi-user.target - Multi-User System. [ OK ] Stopped target getty.target - Login Prompts. [ OK ] Stopped target machines.target - Containers. [ OK ] Stopped target nss-lookup.target - Host and Network Name Lookups. [ OK ] Stopped target remote-cryptsetup.target - Remote Encrypted Volumes. [ OK ] Stopped target timers.target - Timer Units. [ OK ] Stopped dnf-makecache.timer - dnf makecache --timer. [ OK ] Stopped logrotate.timer - Daily rotation of log files. [ OK ] Stopped systemd-tmpfiles-clean.timer - Daily Cleanup of Temporary Directories. [ OK ] Closed systemd-coredump.socket - Process Core Dump Socket. Stopping console-getty.service - Console Getty... Stopping dracut-shutdown.service - Restore /run/initramfs on shutdown... Stopping sshd.service - OpenSSH server daemon... Stopping systemd-logind.service - User Login Management... Stopping systemd-oomd.service - Userspace Out-Of-Memory (OOM) Killer... Stopping user@1000.service - User Manager for UID 1000... [ OK ] Stopped systemd-oomd.service - Userspace Out-Of-Memory (OOM) Killer. [ OK ] Stopped systemd-networkd-wait-online.service - Wait for Network to be Configured. [ OK ] Stopped sshd.service - OpenSSH server daemon. [ OK ] Stopped console-getty.service - Console Getty. [ OK ] Stopped dracut-shutdown.service - Restore /run/initramfs on shutdown. [ OK ] Stopped target sshd-keygen.target. [ OK ] Stopped systemd-logind.service - User Login Management. [ OK ] Stopped user@1000.service - User Manager for UID 1000. Stopping user-runtime-dir@1000.service - User Runtime Directory /run/user/1000... [ OK ] Unmounted run-user-1000.mount - /run/user/1000. [ OK ] Stopped user-runtime-dir@1000.service - User Runtime Directory /run/user/1000. [ OK ] Removed slice user-1000.slice - User Slice of UID 1000. Stopping systemd-user-sessions.service - Permit User Sessions... [ OK ] Stopped systemd-user-sessions.service - Permit User Sessions. [ OK ] Stopped target network.target - Network. [ OK ] Stopped target remote-fs.target - Remote File Systems. Stopping systemd-homed-activate.service - Home Area Activation... Stopping systemd-resolved.service - Network Name Resolution... [ OK ] Stopped systemd-resolved.service - Network Name Resolution. Stopping systemd-networkd.service - Network Configuration... [ OK ] Stopped systemd-homed-activate.service - Home Area Activation. Stopping systemd-homed.service - Home Area Manager... [ OK ] Stopped systemd-homed.service - Home Area Manager. [ OK ] Stopped target basic.target - Basic System. [ OK ] Stopped target paths.target - Path Units. [ OK ] Stopped target slices.target - Slice Units. [ OK ] Removed slice user.slice - User and Session Slice. [ OK ] Stopped target sockets.target - Socket Units. Stopping dbus-broker.service - D-Bus System Message Bus... [ OK ] Stopped dbus-broker.service - D-Bus System Message Bus. [ OK ] Closed dbus.socket - D-Bus System Message Bus Socket. [ OK ] Stopped target sysinit.target - System Initialization. [ OK ] Stopped target cryptsetup.target - Local Encrypted Volumes. [ OK ] Stopped systemd-ask-password-console.path - Dispatch Password Requests to Console Directory Watch. [ OK ] Stopped systemd-ask-password-wall.path - Forward Password Requests to Wall Directory Watch. [ OK ] Stopped target veritysetup.target - Local Verity Integrity Protected Volumes. [ OK ] Stopped systemd-update-done.service - Update is Completed. [ OK ] Stopped ldconfig.service - Rebuild Dynamic Linker Cache. [ OK ] Stopped systemd-hwdb-update.service - Rebuild Hardware Database. [ OK ] Stopped systemd-journal-catalog-update.service - Rebuild Journal Catalog. Stopping systemd-update-utmp.service - Update UTMP about System Boot/Shutdown... [ OK ] Stopped systemd-networkd.service - Network Configuration. [ OK ] Closed systemd-networkd.socket - Network Service Netlink Socket. [ OK ] Stopped systemd-sysctl.service - Apply Kernel Variables. [ OK ] Stopped systemd-update-utmp.service - Update UTMP about System Boot/Shutdown. [ OK ] Stopped systemd-tmpfiles-setup.service - Create Volatile Files and Directories. [ OK ] Stopped target local-fs.target - Local File Systems. Unmounting home.mount - /home... Unmounting run-credentials-systemd\x2dsysusers.se…e.mount - /run/credentials/systemd-sysusers.service... Unmounting tmp.mount - Temporary Directory /tmp... [ OK ] Unmounted home.mount - /home. [ OK ] Unmounted tmp.mount - Temporary Directory /tmp. [ OK ] Unmounted run-credentials-systemd\x2dsysusers.service.mount - /run/credentials/systemd-sysusers.service. [ OK ] Stopped target local-fs-pre.target - Preparation for Local File Systems. [ OK ] Stopped target swap.target - Swaps. [ OK ] Reached target umount.target - Unmount All Filesystems. [ OK ] Stopped systemd-tmpfiles-setup-dev.service - Create Static Device Nodes in /dev. [ OK ] Stopped systemd-sysusers.service - Create System Users. [ OK ] Stopped systemd-remount-fs.service - Remount Root and Kernel File Systems. [ OK ] Reached target shutdown.target - System Shutdown. [ OK ] Reached target final.target - Late Boot Services. [ OK ] Finished systemd-poweroff.service - System Power Off. [ OK ] Reached target poweroff.target - System Power Off. Sending SIGTERM to remaining processes... Sending SIGKILL to remaining processes... All filesystems, swaps, loop devices, MD devices and DM devices detached. Powering off.
* core: add combined status unit formatPaweł Marciniak2021-06-281-4/+6
| | | | | [zjs: actual implementation is stripped out and will be added in subsequent commits.]
* core: support specifier expansion in DefaultEnvironment= and ManagerEnvironment=Lennart Poettering2021-05-261-1/+47
| | | | | | | | | | Strictly speaking adding this is a compatibility break, given that previously % weren't special. But I'd argue that was simply a bug, as for the much more prominent Environment= service setting we always resolved specifiers, and DEfaultEnvironment= is explicitly listed as being the default for that. Hence, let's fix that. Replaces: #16787
* man: document default rlimitsAnita Zhang2021-05-201-1/+17
| | | | Fixes #19645
* man: only the system manager does not pass vars in ManagerEnvironment=Anita Zhang2021-05-181-4/+4
| | | | | | | User managers always pass their environment on to their children. Make that clear in the description of ManagerEnvironment= which states that none of those args will get passed to child processes of service managers.
* manager: add ManagerEnvironment configuration settingZbigniew Jędrzejewski-Szmek2021-02-221-5/+18
| | | | | | | | | | This is useful for various variables that modify process behaviour. This makes it easy to set it for pid1 without touching the kernel command line. Even for the *user manager* this also can be convenient for the unprivileged user, who cannot modify user@.service definition. Variables that could be set like this include $SD_EVENT_PROFILE_DELAYS, $SYSTEMD_FALLBACK_HOSTNAME, $SYSTEMD_MEMPOOL, $SYSTMED_RDRAND, etc.
* manager: read ~/.config/systemd/user.conf in user modeZbigniew Jędrzejewski-Szmek2021-02-221-11/+13
| | | | | | | | | | | | | | This changes the paths we read user manager config from in two ways: - split-usr-root paths are dropped. The user manager is a poster boy for non-early-boot, so reading dropins only from /usr is appropriate. - we look at ~/.config/systemd/user.conf. Users should be allowed to override their own config. As user managers become more and more used, it becomes more important for users to customize their own daemon. By reading from ~/.config, this is possible without privileges.
* man: make it clear how systemd calculate the DefaultTasksMax.Einsler Lee2021-01-301-1/+2
| | | | | | | Actually, systemd takes the minimum of * a) the maximum tasks value the kernel allows on this architecture * b) the cgroups pids_max attribute for the system * c) the kernel's configured maximum PID value to calculate the DefaultTasksMax. Here, kernel.thread-max should also be methioned.
* man: clarify DefaultTasksMax docPavel Sapezhko2020-11-251-2/+4
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* license: LGPL-2.1+ -> LGPL-2.1-or-laterYu Watanabe2020-11-091-1/+1
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* man: fix some manvolnumAnita Zhang2020-07-111-1/+1
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* tree-wide: drop quotes from around [section]Zbigniew Jędrzejewski-Szmek2020-07-061-2/+2
| | | | | | | For users, the square brackets already serve as markup and clearly delineate the section name from surrounding text. Putting additional markup around that only adds clutter. Also, we were very inconsistent in using the quotes. Let's just drop them altogether.
* tree-wide: fixes for assorted grammar and spelling issuesZbigniew Jędrzejewski-Szmek2020-07-061-3/+3
| | | | Fixes #16363. Also includes some changes where I generalized the pattern.
* log: add support for prefixing console log messages with current timestampDan Streetman2020-02-101-0/+1
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* man: sort log parameters in alphabetical orderDan Streetman2020-02-101-2/+2
| | | | | This only sorts the --log-* params in order in the man page docs; no text is added or removed or modified.
* man: clarify that user rlimits cannot go beyond limits set for service mgrLennart Poettering2020-01-171-24/+8
| | | | Fixes: #10758
* core: rename ShutdownWatchdogSec to RebootWatchdogSecLuca Boccassi2019-07-231-4/+4
| | | | | | | This option is only used on reboot, not on other types of shutdown modes, so it is misleading. Keep the old name working for backward compatibility, but remove it from the documentation.
* core: add KExecWatchdogSec optionLuca Boccassi2019-07-231-1/+8
| | | | | | | | | | | Rather than always enabling the shutdown WD on kexec, which might be dangerous in case the kernel driver and/or the hardware implementation does not reset the wd on kexec, add a new timer, disabled by default, to let users optionally enable the shutdown WD on kexec separately from the runtime and reboot ones. Advise in the documentation to also use the runtime WD in conjunction with it. Fixes: a637d0f9ecbe ("core: set shutdown watchdog on kexec too")
* Add config and kernel commandline option to use short identifiersZbigniew Jędrzejewski-Szmek2019-07-101-0/+10
| | | | | | | No functional change, just docs and configuration and parsing. v2: - change ShortIdentifiers=yes|no to StatusUnitFormat=name|description.
* docs: fix typos and duplicate wordsMichael Prokop2019-06-271-1/+1
| | | | | | | | | s/and and/and/ s/explicity/explicitly/ s/that that/that/ s/the the/the/ s/is is/it is/ s/overriden/overridden/
* core: introduce NUMAPolicy and NUMAMask optionsMichal Sekletar2019-06-241-0/+19
| | | | | | | | | | | | | Make possible to set NUMA allocation policy for manager. Manager's policy is by default inherited to all forked off processes. However, it is possible to override the policy on per-service basis. Currently we support, these policies: default, prefer, bind, interleave, local. See man 2 set_mempolicy for details on each policy. Overall NUMA policy actually consists of two parts. Policy itself and bitmask representing NUMA nodes where is policy effective. Node mask can be specified using related option, NUMAMask. Default mask can be overwritten on per-service level.
* pid1: parse CPUAffinity= in incremental fashionZbigniew Jędrzejewski-Szmek2019-05-291-4/+7
| | | | | | | | This makes the handling of this option match what we do in unit files. I think consistency is important here. (As it happens, it is the only option in system.conf that is "non-atomic", i.e. where there's a list of things which can be split over multiple assignments. All other options are single-valued, so there's no issue of how to handle multiple assignments.)
* service: handle abort stops with dedicated timeoutJan Klötzke2019-04-121-4/+8
| | | | | | | | | | | | | | | | | When shooting down a service with SIGABRT the user might want to have a much longer stop timeout than on regular stops/shutdowns. Especially in the face of short stop timeouts the time might not be sufficient to write huge core dumps before the service is killed. This commit adds a dedicated (Default)TimeoutAbortSec= timer that is used when stopping a service via SIGABRT. In all other cases the existing TimeoutStopSec= is used. The timer value is unset by default to skip the special handling and use TimeoutStopSec= for state 'stop-watchdog' to keep the old behaviour. If the service is in state 'stop-watchdog' and the service should be stopped explicitly we still go to 'stop-sigterm' and re-apply the usual TimeoutStopSec= timeout.
* man: document new OOMPolicy= settingLennart Poettering2019-04-091-0/+11
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* man: use same header for all filesZbigniew Jędrzejewski-Szmek2019-03-141-1/+1
| | | | | | | The "include" files had type "book" for some raeason. I don't think this is meaningful. Let's just use the same everywhere. $ perl -i -0pe 's^..DOCTYPE (book|refentry) PUBLIC "-//OASIS//DTD DocBook XML V4.[25]//EN"\s+"http^<!DOCTYPE refentry PUBLIC "-//OASIS//DTD DocBook XML V4.5//EN"\n "http^gms' man/*.xml
* man: standarize on one-line license headerZbigniew Jędrzejewski-Szmek2019-03-141-4/+1
| | | | | | No need to waste space, and uniformity is good. $ perl -i -0pe 's|\n+<!--\s*SPDX-License-Identifier: LGPL-2.1..\s*-->|\n<!-- SPDX-License-Identifier: LGPL-2.1+ -->|gms' man/*.xml
* man: move all config file options to one sectionZbigniew Jędrzejewski-Szmek2019-02-131-1/+1
| | | | | | We had "SYSTEM MANAGER DIRECTIVES" which was a misnomer already, because it also listed user manager stuff. Let's make this a more general section and move the items for other services there too (from "MISCELANENOUS").
* Update systemd-system.conf.xmlMikhail Kasimov2019-01-151-1/+3
| | | Updating due to phrase "Defaults to DefaultTimeoutStartSec= from the manager configuration file, except when Type=oneshot is used, in which case the timeout is disabled by default (see systemd-system.conf)" from [0] https://github.com/systemd/systemd/blob/master/man/systemd.service.xml
* cgroup v2: DefaultCPUAccounting=yes if CPU controller isn't requiredChris Down2018-11-181-2/+3
| | | | | | | | We now don't enable the CPU controller just for CPU accounting if we are on 4.15+ and using pure unified hierarchy, as this is provided externally to the CPU controller. This makes CPUAccounting=yes essentially free, so enabling it by default when it's cheap seems like a good idea.
* core: remove JoinControllers= configuration settingLennart Poettering2018-11-161-23/+0
| | | | | | | | | | | | | | | | This removes the ability to configure which cgroup controllers to mount together. Instead, we'll now hardcode that "cpu" and "cpuacct" are mounted together as well as "net_cls" and "net_prio". The concept of mounting controllers together has no future as it does not exist to cgroupsv2. Moreover, the current logic is systematically broken, as revealed by the discussions in #10507. Also, we surveyed Red Hat customers and couldn't find a single user of the concept (which isn't particularly surprising, as it is broken...) This reduced the (already way too complex) cgroup handling for us, since we now know whenever we make a change to a cgroup for one controller to which other controllers it applies.
* man: fix wording a bit on the cgroup accountings options (#10509)Lennart Poettering2018-10-241-3/+3
| | | | | | | | | The &MEMORY_ACCOUNTING_DEFAULT; resolves to "yes" or "no" while the rest of the paragraph talked about "on" and "off". Let's adjust this and stick to "yes" and "no"... Quite frankly I think it's not a particularly good idea to change the docs based configuration changes... THis can only be incomplete, and the wording is still very awkward since we repeat the same sentence twice.
* man: document CPUAffinity= in system.conf in more detailLennart Poettering2018-07-251-5/+5
| | | | Fixes: #9692
* man: drop mode line in file headersZbigniew Jędrzejewski-Szmek2018-07-031-1/+1
| | | | | This is already included in .dir-locals, so we don't need it in the files themselves.
* man: add missing option for system.confYu Watanabe2018-06-251-2/+3
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* man: drop unused <authorgroup> tags from man sourcesZbigniew Jędrzejewski-Szmek2018-06-141-9/+0
| | | | | | | | | | | | Docbook styles required those to be present, even though the templates that we use did not show those names anywhere. But something changed semi-recently (I would suspect docbook templates, but there was only a minor version bump in recent years, and the changelog does not suggest anything related), and builds now work without those entries. Let's drop this dead weight. Tested with F26-F29, debian unstable. $ perl -i -0pe 's/\s*<authorgroup>.*<.authorgroup>//gms' man/*xml
* tree-wide: remove Lennart's copyright linesLennart Poettering2018-06-141-2/+0
| | | | | | | | | | | These lines are generally out-of-date, incomplete and unnecessary. With SPDX and git repository much more accurate and fine grained information about licensing and authorship is available, hence let's drop the per-file copyright notice. Of course, removing copyright lines of others is problematic, hence this commit only removes my own lines and leaves all others untouched. It might be nicer if sooner or later those could go away too, making git the only and accurate source of authorship information.
* tree-wide: drop 'This file is part of systemd' blurbLennart Poettering2018-06-141-2/+0
| | | | | | | | | | | | | | | | This part of the copyright blurb stems from the GPL use recommendations: https://www.gnu.org/licenses/gpl-howto.en.html The concept appears to originate in times where version control was per file, instead of per tree, and was a way to glue the files together. Ultimately, we nowadays don't live in that world anymore, and this information is entirely useless anyway, as people are very welcome to copy these files into any projects they like, and they shouldn't have to change bits that are part of our copyright header for that. hence, let's just get rid of this old cruft, and shorten our codebase a bit.
* man: add a new page with a general description of common syntaxZbigniew Jędrzejewski-Szmek2018-04-181-1/+3
| | | | | | | | We have a common parser, but for the user it might be completely unobvious that the same general rules apply to all those files. Let's add a page about the basic syntax so that the more specific pages don't have to repeat those details.
* tree-wide: drop license boilerplateZbigniew Jędrzejewski-Szmek2018-04-061-13/+0
| | | | | | | | | | Files which are installed as-is (any .service and other unit files, .conf files, .policy files, etc), are left as is. My assumption is that SPDX identifiers are not yet that well known, so it's better to retain the extended header to avoid any doubt. I also kept any copyright lines. We can probably remove them, but it'd nice to obtain explicit acks from all involved authors before doing that.
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