Auto generate

Run the following commands


sudo /bin/dd if=/dev/zero of=/var/swap.1 bs=1M count=1024
sudo /sbin/mkswap /var/swap.1
sudo chmod 600 /var/swap.1
sudo /sbin/swapon /var/swap.1

And then add the line in your /etc/fstab


/var/swap.1   swap    swap    defaults        0   0

and that’s all folks, now you should run free -m and see the results.