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CentOS 7.0 - man page for systemd-inhibit (centos section 1)

SYSTEMD-INHIBIT(1)			 systemd-inhibit		       SYSTEMD-INHIBIT(1)

NAME
       systemd-inhibit - Execute a program with an inhibition lock taken

SYNOPSIS
       systemd-inhibit [OPTIONS...] [COMMAND] [ARGUMENTS...]

       systemd-inhibit [OPTIONS...] --list

DESCRIPTION
       systemd-inhibit may be used to execute a program with a shutdown, sleep or idle inhibitor
       lock taken. The lock will be acquired before the specified command line is executed and
       released afterwards.

       Inhibitor locks may be used to block or delay system sleep and shutdown requests from the
       user, as well as automatic idle handling of the OS. This is useful to avoid system
       suspends while an optical disc is being recorded, or similar operations that should not be
       interrupted.

       For more information see the Inhibitor Lock Developer Documentation[1].

OPTIONS
       The following options are understood:

       -h, --help
	   Prints a short help text and exits.

       --version
	   Prints a short version string and exits.

       --what=
	   Takes a colon-separated list of one or more operations to inhibit: "shutdown",
	   "sleep", "idle", "handle-power-key", "handle-suspend-key", "handle-hibernate-key",
	   "handle-lid-switch", for inhibiting reboot/power-off/halt/kexec,
	   suspending/hibernating, the automatic idle detection, or the low-level handling of the
	   power/sleep key and the lid switch, respectively. If omitted, defaults to
	   "idle:sleep:shutdown".

       --who=
	   Takes a short, human-readable descriptive string for the program taking the lock. If
	   not passed, defaults to the command line string.

       --why=
	   Takes a short, human-readable descriptive string for the reason for taking the lock.
	   Defaults to "Unknown reason".

       --mode=
	   Takes either "block" or "delay" and describes how the lock is applied. If "block" is
	   used (the default), the lock prohibits any of the requested operations without time
	   limit, and only privileged users may override it. If "delay" is used, the lock can
	   only delay the requested operations for a limited time. If the time elapses, the lock
	   is ignored and the operation executed. The time limit may be specified in systemd-
	   logind.conf(5). Note that "delay" is only available for "sleep" and "shutdown".

       --list
	   Lists all active inhibition locks instead of acquiring one.

EXIT STATUS
       Returns the exit status of the executed program.

EXAMPLE
	   # systemd-inhibit wodim foobar.iso

       This burns the ISO image foobar.iso on a CD using wodim(1), and inhibits system sleeping,
       shutdown and idle while doing so.

SEE ALSO
       systemd(1), systemd-logind.conf(5)

NOTES
	1. Inhibitor Lock Developer Documentation
	   http://www.freedesktop.org/wiki/Software/systemd/inhibit

systemd 208								       SYSTEMD-INHIBIT(1)


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