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SYSTEMD.KILL(5)                            systemd.kill                           SYSTEMD.KILL(5)



NAME
       systemd.kill - Process killing procedure configuration

SYNOPSIS
       service.service, socket.socket, mount.mount, swap.swap, scope.scope

DESCRIPTION
       Unit configuration files for services, sockets, mount points, swap devices and scopes
       share a subset of configuration options which define the killing procedure of processes
       belonging to the unit.

       This man page lists the configuration options shared by these five unit types. See
       systemd.unit(5) for the common options shared by all unit configuration files, and
       systemd.service(5), systemd.socket(5), systemd.swap(5), systemd.mount(5) and
       systemd.scope(5) for more information on the configuration file options specific to each
       unit type.

       The kill procedure configuration options are configured in the [Service], [Socket],
       [Mount] or [Swap] section, depending on the unit type.

OPTIONS
       KillMode=
           Specifies how processes of this unit shall be killed. One of control-group, process,
           mixed, none.

           If set to control-group, all remaining processes in the control group of this unit
           will be killed on unit stop (for services: after the stop command is executed, as
           configured with ExecStop=). If set to process, only the main process itself is killed.
           If set to mixed, the SIGTERM signal (see below) is sent to the main process while the
           subsequent SIGKILL signal (see below) is sent to all remaining processes of the unit's
           control group. If set to none, no process is killed. In this case, only the stop
           command will be executed on unit stop, but no process be killed otherwise. Processes
           remaining alive after stop are left in their control group and the control group
           continues to exist after stop unless it is empty.

           Processes will first be terminated via SIGTERM (unless the signal to send is changed
           via KillSignal=). Optionally, this is immediately followed by a SIGHUP (if enabled
           with SendSIGHUP=). If then, after a delay (configured via the TimeoutStopSec= option),
           processes still remain, the termination request is repeated with the SIGKILL signal
           (unless this is disabled via the SendSIGKILL= option). See kill(2) for more
           information.

           Defaults to control-group.

       KillSignal=
           Specifies which signal to use when killing a service. This controls the signal that is
           sent as first step of shutting down a unit (see above), and is usually followed by
           SIGKILL (see above and below). For a list of valid signals, see signal(7). Defaults to
           SIGTERM.

       SendSIGHUP=
           Specifies whether to send SIGHUP to remaining processes immediately after sending the
           signal configured with KillSignal=. This is useful to indicate to shells and
           shell-like programs that their connection has been severed. Takes a boolean value.
           Defaults to "no".

       SendSIGKILL=
           Specifies whether to send SIGKILL to remaining processes after a timeout, if the
           normal shutdown procedure left processes of the service around. Takes a boolean value.
           Defaults to "yes".

SEE ALSO
       systemd(1), systemctl(1), journalctl(8), systemd.unit(5), systemd.service(5),
       systemd.socket(5), systemd.swap(5), systemd.mount(5), systemd.exec(5),
       systemd.directives(7), kill(2), signal(7)



systemd 215                                                                       SYSTEMD.KILL(5)


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