X-Git-Url: http://www.chiark.greenend.org.uk/ucgi/~ianmdlvl/git?a=blobdiff_plain;f=man%2Fsystemctl.xml;h=167a72b58b47b5aa40babb27d09b15cddb0f0033;hb=568b679f2a5db6a23c795363091b94ad804f24f6;hp=a9e86ce17cfaae96c446c6f7ff4bcb75e3c6a812;hpb=9f7dad774ebfad23269800b7096eaad087481deb;p=elogind.git diff --git a/man/systemctl.xml b/man/systemctl.xml index a9e86ce17..167a72b58 100644 --- a/man/systemctl.xml +++ b/man/systemctl.xml @@ -102,7 +102,7 @@ When showing - unit/job/manager information, limit + unit/job/manager properties, limit display to certain properties as specified as argument. If not specified all set properties are @@ -121,7 +121,7 @@ When listing units, show all units, regardless of their state, including inactive units. When - showing unit/job/manager information, + showing unit/job/manager properties, show all properties regardless whether they are set or not. @@ -194,7 +194,16 @@ enqueued and systemctl will wait until it is completed. By passing this argument it is only verified and - enqueued. + enqueued. + + + + + + Do not print a legend, i.e. + the column headers and the footer with hints. + + @@ -297,25 +306,6 @@ service might fail. - - - - When used with - kill, choose the - mode how to kill the selected - processes. Must be one of - or - to select - whether to kill the entire control - group or only the selected process - itself. If omitted defaults to - if - is - set, or - otherwise. You probably never need to - use this switch. - - @@ -359,26 +349,49 @@ halt, poweroff, reboot or - kexec execute + kexec execute the selected operation without shutting down all units. However, all processes will be killed forcibly and all file systems are unmounted or remounted read-only. This is hence a drastic but relatively safe option to request an - immediate reboot. + immediate reboot. If + is specified + twice for these operations, they will + be executed immediately without + terminating any processes or umounting + any file systems. Warning: specifying + twice with + any of these operations might result + in data loss. - + When used with - disable, ensures - that only the symlinks created by - enable are removed, - not all symlinks pointing to the unit - file that shall be - disabled. + enable/disable/is-enabled (and + related commands), use alternative + root path when looking for unit + files. + + + + + + When used with + enable/disable/is-enabled (and related commands), make + changes only temporarily, so that they + are dropped on the next reboot. This + will have the effect that changes are + not made in subdirectories of + /etc but in + /run, with + identical immediate effects, however, + since the latter is lost on reboot, + the changes are lost + too. @@ -401,6 +414,45 @@ PolicyKit before executing the operation. + + + + + + When used with + status controls the + number of journal lines to show, + counting from the most recent + ones. Takes a positive integer + argument. Defaults to + 10. + + + + + + + When used with + status continously + prints new journal entries as they are + appended to the + journal. + + + + + + + When used with + status controls the + formatting of the journal entries that + are shown. For the available choices + see + journalctl1. Defaults + to + short. + + The following commands are understood: @@ -545,14 +597,15 @@ Show terse runtime status information about one or more - units. This function is intended to - generate human-readable output. If you - are looking for computer-parsable - output, use show - instead. If a PID is passed - information about the unit the process - of the PID belongs to is - shown. + units, followed by its most recent log + data from the journal. This function + is intended to generate human-readable + output. If you are looking for + computer-parsable output, use + show instead. If a + PID is passed information about the + unit the process of the PID belongs to + is shown. show [NAME...|JOB...] @@ -597,6 +650,13 @@ command. + + list-unit-files + + List installed unit files. + + + enable [NAME...] @@ -681,14 +741,11 @@ configuration directory, and hence undoes the changes made by enable. Note - however that this by default removes + however that this removes all symlinks to the unit files (i.e. including manual additions), not just those actually created by - enable. If only the - symlinks that are suggested by default - shall be removed, pass - . This + enable. This call implicitly reloads the systemd daemon configuration after completing the disabling of the units. Note that this @@ -720,8 +777,85 @@ (as with enable). Returns an exit code of 0 if at least one is - enabled, non-zero - otherwise. + enabled, non-zero otherwise. Prints + the current enable status. To suppress + this output use + . + + + + reenable [NAME...] + + Reenable one or more + unit files, as specified on the + command line. This is a combination of + disable and + enable and is + useful to reset the symlinks a unit is + enabled with to the defaults + configured in the + [Install] section + of the unit file. + + + + + preset [NAME...] + + 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 + enable, depending + how the unit is listed in the preset + files. + + + + + mask [NAME...] + + Mask one or more unit + files, as specified on the command + line. This will link these units to + /dev/null, making + it impossible to start them. This is a stronger version + of disable, since + it prohibits all kinds of activation + of the unit, including manual + activation. Use this option with + care. + + + + + unmask [NAME...] + + Unmask one or more + unit files, as specified on the + command line. This will undo the + effect of + mask. + + + + + link [NAME...] + + Link a unit file that + is not in the unit file search paths + into the unit file search path. This + requires an absolute path to a unit + file. The effect of this can be undone + with disable. The + effect of this command is that a unit + file is available for + start and other + commands although it isn't installed + directly in the unit search + path. + @@ -765,16 +899,6 @@ their numeric job IDs. If no job id is specified, cancel all pending jobs. - - monitor - - Monitor unit/job - changes. This is mostly useful for - debugging purposes and prints a line - each time systemd loads or unloads a - unit configuration file, or a unit - property changes. - dump @@ -941,14 +1065,19 @@ system. This is mostly equivalent to start halt.target but also prints a wall message to all - users. If - combined with - shutdown of all running services is - skipped, however all processes are killed - and all file systems are unmounted or + users. If combined with + shutdown of + all running services is skipped, + however all processes are killed and + all file systems are unmounted or mounted read-only, immediately - followed by the - system halt. + followed by the system halt. If + is specified + twice the the operation is immediately + executed without terminating any + processes or unmounting any file + systems. This may result in data + loss. poweroff @@ -957,32 +1086,40 @@ power-off the system. This is mostly equivalent to start poweroff.target but also - prints a wall message to all - users. If + prints a wall message to all users. If combined with shutdown of all running services is - skipped, however all processes are killed - and all file systems are unmounted or - mounted read-only, immediately - followed by the - powering off. + skipped, however all processes are + killed and all file systems are + unmounted or mounted read-only, + immediately followed by the powering + off. If is + specified twice the the operation is + immediately executed without + terminating any processes or + unmounting any file systems. This may + result in data loss. reboot - Shut down and - reboot the system. This is mostly - equivalent to start + Shut down and reboot + the system. This is mostly equivalent + to start reboot.target but also - prints a wall message to all - users. If + prints a wall message to all users. If combined with shutdown of all running services is - skipped, however all processes are killed - and all file systems are unmounted or - mounted read-only, immediately - followed by the - reboot. + skipped, however all processes are + killed and all file systems are + unmounted or mounted read-only, + immediately followed by the reboot. If + is specified + twice the the operation is immediately + executed without terminating any + processes or unmounting any file + systems. This may result in data + loss. kexec @@ -1021,11 +1158,29 @@ code otherwise. + + Environment + + + + $SYSTEMD_PAGER + Pager to use when + is not given; + overrides $PAGER. Setting + this to an empty string or the value + cat is equivalent to passing + . + + + + See Also systemd1, systemadm1, + journalctl1, + loginctl1, systemd.unit5, systemd.special7, wall1