SYSTEMD.TIMER(5) systemd.timer SYSTEMD.TIMER(5) (NAME) systemd.timer - (SYNOPSIS) timer.timer (DESCRIPTION) ".timer" systemd . . systemd.unit(5) . [Unit] [Install] . [Timer] . . ( ) . : foo.timer foo.service . Unit= ( ) . . . RemainAfterExit=yes ( ) . (Target units) StopWhenUnneeded=yes . . (AUTOMATIC DEPENDENCIES) (Implicit Dependencies) : o Before= . (Default Dependencies) DefaultDependencies=no : o Requires= After= sysinit.target Before= timers.target Conflicts= Before= shutdown.target . DefaultDependencies= . o OnCalendar= After= time-set.target time-sync.target . systemd.special(7) . (OPTIONS) [Unit] [Install] systemd.unit(5) . [Timer] . [Timer] : OnActiveSec=, OnBootSec=, OnStartupSec=, OnUnitActiveSec=, OnUnitInactiveSec= (monotonic timers) : . +-------------------+--------------------------------+ | | | +-------------------+--------------------------------+ |OnActiveSec= | | | | | | | | | | | | | | | | | | | . | +-------------------+--------------------------------+ |OnBootSec= | | | | | | | | | | | | | | | | . | | | | | | | | | | | | | | | | | | OnStartupSec= | | | | | | | | | | | | . | +-------------------+--------------------------------+ |OnStartupSec= | | | | | | | | | | | | | | | | | | | | | | | | | . | | | | | | | | | | | | | | | | | | | | | OnBootSec= | | | | | | | | | | | | | | | | | | | | | | | | . | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | . | +-------------------+--------------------------------+ |OnUnitActiveSec= | | | | | | | | | | | | | | | | | | | | | | | | | | | | . | +-------------------+--------------------------------+ |OnUnitInactiveSec= | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | . | +-------------------+--------------------------------+ . OnBootSec= OnUnitActiveSec= . OnCalendar= . . : "OnBootSec=50" . . : "OnBootSec=5h 30min" . systemd.time(7) . OnBootSec= OnStartupSec= . . . . WakeSystem= . ( OnCalendar= ) . AccuracySec= . OnCalendar= ( ) . systemd.time(7) . OnActiveSec= . AccuracySec= . . ( ) . ( OnCalendar= ) . . (RTC) systemd-time-wait-sync.service . OnCalendar= time-sync.target systemd-time-wait-sync.service . ( ) . . . WakeSystem= ( ) ( ). 197 . AccuracySec= . 1min . OnCalendar= OnActiveSec= OnBootSec= OnStartupSec= OnUnitActiveSec= OnUnitInactiveSec= AccuracySec= . . . 1us . TimerSlackNSec= systemd-system.conf(5) . prctl(2) . . . RandomizedDelaySec= ( ) : . . 209 . RandomizedDelaySec= 0 . 0 . FixedRandomDelay= . ( ) . . AccuracySec= : : . RandomizedDelaySec= AccuracySec= . AccuracySec= RandomizedDelaySec= . AccuracySec=1us RandomizedDelaySec= . 229 . FixedRandomDelay= . RandomizedDelaySec= . . . RandomizedDelaySec= 0 . false . 247 . RandomizedOffsetSec= 0 . 0 . FixedRandomDelay= . . OnCalendar= RandomizedDelaySec= . RandomizedDelaySec= . . RandomizedDelaySec= . OnCalendar= . . . OnCalendar= "weekly" RandomizedDelaySec= "5 days" FixedRandomDelay= . . : . RandomizedOffsetSec= . 258 . DeferReactivation= . . . . . . OnCalendar= . false . 257 . OnClockChange=, OnTimezoneChange= . (CLOCK_REALTIME) (CLOCK_MONOTONIC) . ( ) . false . 242 . Unit= . ".timer" . . ( .) . Persistent= . . . RandomizedDelaySec= . . OnCalendar= . false . systemctl clean --what=state ... . . systemctl(1) . 212 . WakeSystem= . . . false . . ( OnActiveSec= OnBootSec= OnStartupSec= OnUnitActiveSec= OnUnitInactiveSec= ) . (CLOCK_MONOTONIC) (CLOCK_BOOTTIME) clock_getres(2) . 212 . RemainAfterElapse= . ( Unit= ) . . . : RemainAfterElapse= . RemainAfterElapse= . true . 229 . systemd.unit(5) systemd.exec(5) systemd.kill(5) . (SEE ALSO) . "Environment Variables Set or Propagated by the Service Manager" systemd.exec(5) . systemd(1), systemctl(1), systemd.unit(5), systemd.service(5), systemd.time(7), systemd.directives(7), systemd-system.conf(5), prctl(2) systemd 261.2 SYSTEMD.TIMER(5)