X-Git-Url: http://www.chiark.greenend.org.uk/ucgi/~ianmdlvl/git?a=blobdiff_plain;f=man%2Fsystemctl.xml;h=7f7064214e907a22628518ddd071ac3880a39594;hb=80cbda3558c534b575bf5315fa53b0f82dc088ab;hp=167a72b58b47b5aa40babb27d09b15cddb0f0033;hpb=568b679f2a5db6a23c795363091b94ad804f24f6;p=elogind.git diff --git a/man/systemctl.xml b/man/systemctl.xml index 167a72b58..7f7064214 100644 --- a/man/systemctl.xml +++ b/man/systemctl.xml @@ -8,16 +8,16 @@ Copyright 2010 Lennart Poettering systemd is free software; you can redistribute it and/or modify it - under the terms of the GNU General Public License as published by - the Free Software Foundation; either version 2 of the License, or + under the terms of the GNU Lesser General Public License as published by + the Free Software Foundation; either version 2.1 of the License, or (at your option) any later version. systemd is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU - General Public License for more details. + Lesser General Public License for more details. - You should have received a copy of the GNU General Public License + You should have received a copy of the GNU Lesser General Public License along with systemd; If not, see . --> @@ -69,8 +69,8 @@ - + Prints a short help text and exits. @@ -84,22 +84,39 @@ - + - When listing units, - limit display to certain unit - types. If not specified units of all - types will be shown. The argument - should be a unit type name such as - , - and - similar. + The argument should + be a unit type name such as + and + , + or a unit load state such as + and + . + + + If the argument is a unit type, + when listing units, limit display to + certain unit types. If not specified + units of all types will be shown. + + If the argument is a unit load state, + when listing units, limit display to + certain unit types. If not specified + units of in all load states will be + shown. + + As a special case, if the argument + is , a list of + allowed values will be printed and the + program will exit. + - + When showing unit/job/manager properties, limit @@ -115,8 +132,8 @@ - + When listing units, show all units, regardless of their @@ -139,7 +156,7 @@ Do not ellipsize unit - names and truncate unit descriptions + names, cgroup members, and truncate unit descriptions in the output of list-units and list-jobs. @@ -166,7 +183,7 @@ execute it immediately. If passed no required units of the unit passed will be pulled in, and no ordering - dependencies will be honoured. This is + dependencies will be honored. This is mostly a debugging and rescue tool for the administrator and should not be used by @@ -174,13 +191,41 @@ - + + + + When system shutdown + or a sleep state is requested, ignore + inhibitor locks. Applications can + establish inhibitor locks to avoid + that certain important operations + (such as CD burning or suchlike) are + interrupted by system shutdown or a + sleep state. Any user may take these + locks and privileged users may + override these locks. If any locks are + taken, shutdown and sleep state + requests will normally fail + (regardless if privileged or not) and + list of active locks is + printed. However if + + is specified the locks are ignored and + not printed, and the operation + attempted anyway, possibly requiring + additional + privileges. + + + + Suppress output to STDOUT in snapshot, is-active, + is-failed, enable and disable. @@ -200,17 +245,17 @@ - Do not print a legend, i.e. + Do not print a legend, i.e. the column headers and the footer with hints. - - + + - Do not pipe output into a - pager. - + Do not pipe output into a + pager. + @@ -226,32 +271,6 @@ manager of the calling user. - - - - - When used in - conjunction with the - dot command (see - below), selects which dependencies are - shown in the dependency graph. If - is passed - only dependencies of type - After= or - Before= are - shown. If - is passed only dependencies of type - Requires=, - RequiresOverridable=, - Requisite=, - RequisiteOverridable=, - Wants= and - Conflicts= are - shown. If neither is passed, shows - dependencies of all these - types. - - @@ -299,11 +318,13 @@ systemctl will query the user on the terminal for the necessary secrets. Use this option to - switch this behavior off. In this - case the password must be supplied by - some other means (for example - graphical password agents) or the - service might fail. + switch this behavior off. In this case + the password must be supplied by some + other means (for example graphical + password agents) or the service might + fail. This also disables querying the + user for authentication for privileged + operations. @@ -323,8 +344,8 @@ - + When used with kill, choose which @@ -337,11 +358,11 @@ - + When used with - enable, override any + enable, overwrite any existing conflicting symlinks. @@ -416,8 +437,8 @@ - + When used with status controls the @@ -429,19 +450,8 @@ - - - - When used with - status continously - prints new journal entries as they are - appended to the - journal. - - - - + When used with status controls the @@ -592,6 +602,18 @@ this will also print the current unit state to STDOUT. + + is-failed [NAME...] + + Check whether any of + the specified units are failed. + Returns an exit code + 0 if at least one is failed, non-zero + otherwise. Unless + is specified + this will also print the current unit + state to STDOUT. + status [NAME...|PID...] @@ -630,7 +652,15 @@ looking for formatted human-readable output. + + help [NAME...|PID...] + Show manual pages for + one or more units, if available. If a + PID is passed the manual pages for the + unit the process of the PID belongs to + is shown. + reset-failed [NAME...] @@ -660,24 +690,29 @@ enable [NAME...] - Enable one or more - unit files, as specified on the + Enable one or + more unit files or unit file + instances, as specified on the command line. This will create a - number of symlinks as encoded in the - [Install] sections - of the unit files. After the symlinks - have been created the systemd - configuration is reloaded (in a way - that is equivalent to - daemon-reload) to - ensure the changes are taken into + number of symlinks as encoded in + the [Install] + sections of the unit files. After + the symlinks have been created the + systemd configuration is reloaded + (in a way that is equivalent to + daemon-reload) + to ensure the changes are taken into account immediately. Note that this does not have the effect that any of the units enabled are also started at - the same time. If this is desired a - separate start - command must be invoked for the - unit. + the same time. If this is desired + a separate start + command must be invoked for the unit. + Also note that in case of instance + enablement, symlinks named same as + instances are created in install + location, however they all point to + the same template unit file. This command will print the actions executed. This @@ -750,9 +785,9 @@ configuration after completing the disabling of the units. Note that this command does not implicitly stop the - units that is being disabled. If this + units that are being disabled. If this is desired an additional - stopcommand should + stop command should be executed afterwards. This command will print the @@ -773,7 +808,7 @@ is-enabled [NAME...] Checks whether any of - the specified unit files is enabled + the specified unit files are enabled (as with enable). Returns an exit code of 0 if at least one is @@ -804,12 +839,19 @@ Reset one or more unit files, as specified on the command - line, to the defaults configured in a - preset file. This has the same effect - as disable or + line, to the defaults configured in + the preset policy files. This has the + same effect as + disable or enable, depending how the unit is listed in the preset - files. + files. For more information on preset + policy format see + systemd.preset5. For + more information on the concept of + presets please consult the Preset + document. @@ -911,22 +953,17 @@ applications. - dot + list-dependencies [NAME] - Generate textual - dependency graph description in dot - format for further processing with the - GraphViz - dot1 - tool. Use a command line like - systemctl dot | dot -Tsvg > - systemd.svg to generate a - graphical dependency tree. Unless - or - is passed - the generated graph will show both - ordering and requirement - dependencies. + Shows required and + wanted units of the specified unit. If + no unit is specified + default.target is + implied. Target units are recursively + expanded. When + is passed all other units aare + recursively expanded as well. + snapshot [NAME] @@ -1073,7 +1110,7 @@ mounted read-only, immediately followed by the system halt. If is specified - twice the the operation is immediately + twice the operation is immediately executed without terminating any processes or unmounting any file systems. This may result in data @@ -1094,7 +1131,7 @@ unmounted or mounted read-only, immediately followed by the powering off. If is - specified twice the the operation is + specified twice the operation is immediately executed without terminating any processes or unmounting any file systems. This may @@ -1115,7 +1152,7 @@ unmounted or mounted read-only, immediately followed by the reboot. If is specified - twice the the operation is immediately + twice the operation is immediately executed without terminating any processes or unmounting any file systems. This may result in data @@ -1147,6 +1184,60 @@ option) and will fail otherwise. + + suspend + + Suspend the + system. This will trigger activation + of the special + suspend.target + target. + + + hibernate + + Hibernate the + system. This will trigger activation + of the special + hibernate.target + target. + + + hybrid-sleep + + Hibernate and suspend + the system. This will trigger + activation of the special + hybrid-sleep.target + target. + + + switch-root [ROOT] [INIT] + + Switches to a + different root directory and executes + a new system manager process below + it. This is intended for usage in + initial RAM disks ("initrd"), and will + transition from the initrd's system + manager process (a.k.a "init" process) + to the main system manager + process. Takes two arguments: the + directory to make the new root + directory, and the path to the new + system manager binary below it to + execute as PID 1. If the latter is + omitted or the empty string, a + systemd binary will automatically be + searched for and used as init. If the + system manager path is omitted or + equal the empty string the state of + the initrd's system manager process is + passed to the main system manager, + which allows later introspection of the + state of the services involved in the + initrd boot. + @@ -1161,7 +1252,7 @@ Environment - + $SYSTEMD_PAGER Pager to use when @@ -1183,7 +1274,8 @@ loginctl1, systemd.unit5, systemd.special7, - wall1 + wall1, + systemd.preset5