Since I keep forgetting how to enable swap (the ability to use your harddrive as extra ram).
Instructions
Log in using SSH
fallocate -l 2G /swapfile1
chown root:root /swapfile1
chmod 0600 /swapfile1
mkswap /swapfile1
swapon /swapfile1
vi /etc/fstab # See content below (you can also use nano or another