Sequential execution of job in cron Post: 302085086

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LEARN ABOUT MOJAVE

systemd-suspend.service

SYSTEMD-SUSPEND.SERVICE(8)                                    systemd-suspend.service                                   SYSTEMD-SUSPEND.SERVICE(8)

NAME

       systemd-suspend.service, systemd-hibernate.service, systemd-hybrid-sleep.service, systemd-suspend-then-hibernate.service, systemd-sleep -
       System sleep state logic

SYNOPSIS

       systemd-suspend.service

       systemd-hibernate.service

       systemd-hybrid-sleep.service

       systemd-suspend-then-hibernate.service

       /lib/systemd/system-sleep

DESCRIPTION

       systemd-suspend.service is a system service that is pulled in by suspend.target and is responsible for the actual system suspend.
       Similarly, systemd-hibernate.service is pulled in by hibernate.target to execute the actual hibernation. Finally,
       systemd-hybrid-sleep.service is pulled in by hybrid-sleep.target to execute hybrid hibernation with system suspend and pulled in by
       suspend-then-hibernate.target to execute system suspend with a timeout that will activate hibernate later.

       Immediately before entering system suspend and/or hibernation systemd-suspend.service (and the other mentioned units, respectively) will
       run all executables in /lib/systemd/system-sleep/ and pass two arguments to them. The first argument will be "pre", the second either
       "suspend", "hibernate", "hybrid-sleep", or "suspend-then-hibernate" depending on the chosen action. Immediately after leaving system
       suspend and/or hibernation the same executables are run, but the first argument is now "post". All executables in this directory are
       executed in parallel, and execution of the action is not continued until all executables have finished.

       Note that scripts or binaries dropped in /lib/systemd/system-sleep/ are intended for local use only and should be considered hacks. If
       applications want to react to system suspend/hibernation and resume, they should rather use the Inhibitor interface[1].

       Note that systemd-suspend.service, systemd-hibernate.service, and systemd-hybrid-sleep.service systemd-suspend-then-hibernate.service
       should never be executed directly. Instead, trigger system sleep states with a command such as "systemctl suspend" or similar.

       Internally, this service will echo a string like "mem" into /sys/power/state, to trigger the actual system suspend. What exactly is written
       where can be configured in the "[Sleep]" section of /etc/systemd/sleep.conf or a sleep.conf.d file. See systemd-sleep.conf(5).

OPTIONS

       systemd-sleep understands the following commands:

       -h, --help
           Print a short help text and exit.

       --version
           Print a short version string and exit.

       suspend, hibernate, hybrid-sleep, suspend-then-hibernate
           Suspend, hibernate, suspend then hibernate, or put the system to hybrid sleep.

SEE ALSO

       systemd-sleep.conf(5), systemd(1), systemctl(1), systemd.special(7), systemd-halt.service(8)

NOTES

        1. Inhibitor interface
           https://www.freedesktop.org/wiki/Software/systemd/inhibit

systemd 237                                                                                                             SYSTEMD-SUSPEND.SERVICE(8)

10 More Discussions You Might Find Interesting

1. UNIX for Dummies Questions & Answers

Sequential execution in shell script?

Discussion started by: chengwei

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cron job starts new cron proccess

Discussion started by: ron76

3. Solaris

Solaris 10.5 perl and cron job execution problem

Discussion started by: sonu2die4

4. Solaris

Cron job running even after cron is removed

Discussion started by: chidori