...
sudo touch /var/swap
sudo chmod 600 /var/swap
sudo dd if=/dev/zero of=/var/swap bs=1M count=2048
sudo mkswap /var/swap
sudo swapon /var/swap
sudo sh -c "echo " /var/swap swap swap defaults 0 0 >> /etc/fstab"
...
...
sudo touch /var/swap
sudo chmod 600 /var/swap
sudo dd if=/dev/zero of=/var/swap bs=1M count=2048
sudo mkswap /var/swap
sudo swapon /var/swap
sudo sh -c "echo " /var/swap swap swap defaults 0 0 >> /etc/fstab"
...