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)
Hi Friends,
Can any of you explain me about the below line of code?
mn_code=`env|grep "..mn"|awk -F"=" '{print $2}'`
Im not able to understand, what exactly it is doing :confused:
Any help would be useful for me.
Lokesha (4 Replies)
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pls correct the below script . its not working/
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LEARN ABOUT DEBIAN
seeded-in-ubuntu
seeded-in-ubuntu(1) General Commands Manual seeded-in-ubuntu(1)NAME
seeded-in-ubuntu - Determine whether a package is safe to upload during a freeze
SYNOPSIS
seeded-in-ubuntu [options] package...
DESCRIPTION
Lists all the current daily images containing the specified packages. Or whether the package is part of the supported seed.
If it isn't on an image, it should be safe to upload. During the final freeze, one should avoid packages in the supported seed too.
An index of the current manifests is downloaded from UbuntuWire.
OPTIONS -b, --binary
The packages specified are binary packages. This is faster than source packages, as otherwise we must query LP to determine the
binary packages that every specified source package builds.
-u URL, --data-url=URL
URL for index of seeded packages. Default: UbuntuWire's service at http://qa.ubuntuwire.org/ubuntu-seeded-packages/seeded.json.gz.
-h, --help
Display a help message and exit
EXAMPLES
All the images that contain unity:
seeded-in-ubuntu -b unity
AUTHORS
seeded-in-ubuntu and this manpage were written by Stefano Rivera <stefanor@ubuntu.com>.
Both are released under the terms of the ISC License.
ubuntu-dev-tools December 2011 seeded-in-ubuntu(1)