Add swap

cat /proc/sys/vm/swappiness #shows current swap
swapon -s  #also shows current swap
sudo gparted& #and create swap partition RAM*2
sudo mount -a #mount all unmounted
sudo swapon -a #make swap for all swaps
sudo blkid /dev/sda6 #get swap UUID

or ls -l /dev/disk/by-uuid sudo gedit /etc/fstab add UUID=XYZ none swap sw 0 0 sudo gedit /etc/initramfs-tools/conf.d/resume #add UUID sudo update-initramfs -u sudo reboot