add more swap space for hibernation (Debian)
-OS : Debian 7.8 GNU/Linux, Gnome3 desktop (fallback experience).
GTK+ theme : Albatross; Icon theme : NouveGnome
Steps to add more space or swap partitions to your Debian based GNU/Linux OS for hibernate function
(suspend to disk mode), your system cannot
hibernate after a big RAM size session if you
haven't enough swap space.
1)- Use Gparted to create a new swap partition on another disk or on the same disk;
2)- after that, copy the UUID serial of the newly created swap partition;
3)- Go to your terminal type :
sudo gedit /etc/fstab
to add UUID serial copied to the filesystem table
4)-Type in the same terminal :
sudo gedit /etc/initramfs-tools/conf.d/resume :
This command opens the "resume" file with Gedit or change it with your favorite text editor and paste the serial on the second line, starting with "RESUME=UUID= ".
5)-To finish type :
sudo update-initramfs -u -v -k all
To update the initial RAM filesystem during Linux startup, and reboot +Enter to reboot your system immediately.