How to enable hibernation in Linux Mint 13

In Linux Mint 13, when you click on the shutdown button in the menu ( in both MATE and Cinnamon), you will see options for suspend, restart and shutdown respectively on the log out window but there is none for hibernation.

enable hibernation linux mint 13

To manually hibernate your computer, you can open the terminal and run the following command:
 sudo pm-hibernate

The more convenient way is to get the hibernation option on the log out menu. To do so, you just need to create the file /etc/polkit-1/localauthority/50-local.d/com.ubuntu.enable-hibernate.pkla. For example, in MATE, you can run the following command to create this file (replace pluma with gedit if you are using the Cinnamon edition):
 sudo pluma /etc/polkit-1/localauthority/50-local.d/com.ubuntu.enable-hibernate.pkla

After the file was created, copy paste the following lines into it:
 [Re-enable hibernate by default]  
 Identity=unix-user:*  
 Action=org.freedesktop.upower.hibernate  
 ResultActive=yes

Save the file and reboot your computer. From now, there will be a "hibernate" button on the logout window and you can click on that button to put your computer into hibernation:

linux mint 13 enable hibernate
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