See http://ubuntuforums.org/showthread.php?t=1857940
Be sure to test whether your device support hibernation by opening a terminal and run sudo pm-hibernate and resume and see whether the terminal is still there or not.
Read vim manual by man vim
Then run sudo visudo and add those two lines mentioned in the above link
Assign any keyboard shortcuts to run sudo pm-hibernate in settings and restart to take effect.
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adding these lines to sudo file (i'm a member of the weels group) Cmnd_Alias SHUTDOWN_CMDS = /sbin/shutdown, /sbin/reboot, /sbin/halt, /usr/sbin/pm-suspend-hybrid, /usr/sbin/pm-suspend, /usr/sbin/pm-hibernate, /usr/sbin/pm-powersave %wheel ALL=(ALL) NOPASSWD: ALL and then adding it to control-H shortcut but nothing is happening after restart and press of control-H
Asked: 2013-08-26 13:50:36 -0600
Seen: 1,645 times
Last updated: Aug 26 '13
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There isn't a shortcut by default. If you want to hibernate when closing your laptop lid, you can edit
/etc/systemd/logind.confand addHandleLidSwitch=hibernate. You could try creating a custom keyboard shortcut (Settings -- Keyboard -- Shortcuts) but I'm not sure if it's possible to create a shortcut forpm-hibernateas it requires sudo (AFAIK).