sudo -s
echo shutdown > /sys/power/disk
echo disk > /sys/power/state

sudo -s
echo platform > /sys/power/disk
echo disk > /sys/power/state

cat /proc/meminfo
sudo swapoff -a
sudo dd if=/dev/zero of=/swapfile bs=1024 count=8M
sudo chmod 600 /swapfile && sudo mkswap /swapfile && sudo swapon /swapfile
sudo -b gedit /etc/fstab
free -m
swapon

mount | grep " / "
sudo blkid -g
sudo blkid
sudo filefrag -v /swapfile | grep "First block:"
sudo filefrag -v /swapfile
echo "resume=UUID=cdXX--X18 resume_offset=66050" | sudo tee /etc/initramfs-tools/conf.d/resume
sudo -b gedit /boot/grub/menu.lst
sudo -b gedit /etc/default/grub
GRUB_CMDLINE_LINUX_DEFAULT="... resume=UUID=cdXX--X18 resume_offset=66050"
sudo update-grub -y
sudo update-initramfs -u

...$ sudo swapon -s

...$

sudo vim /etc/pm/config.d/hibernate_mode

HIBERNATE_MODE="shutdown"

sudo pm-hibernate

sudo apt-get install gparted

sudo pm-hibernate

[Re-enable hibernate by default in upower]
Identity=unix-user:*
Action=org.freedesktop.upower.hibernate
ResultActive=yes

[Re-enable hibernate by default in logind]
Identity=unix-user:*
Action=org.freedesktop.login1.hibernate;org.freedesktop.login1.hibernate-multiple-sessions
ResultActive=yes

sudo shutdown -h now

sudo shutdown -r now