How to increase swap space

Very simple and useful tutorial how to increase swap space.

Source: http://askubuntu.com/questions/178712/how-to-increase-swap-space

1. creat .img file

   sudo dd if=/dev/zero of=/swap.img bs=1M count=1000

note!: bs=1M count=1000 ==> 1GB

(bs * count = size in megabytes )

other example :

sudo dd if=/dev/zero of=/swap.img bs=10M count=100

2. format .img file

   sudo mkswap /swap.img

3. enable swap file

   sudo swapon /swap.img

4. add swap file to fstab

add this line to your fstab (/etc/fstab)

/swap.img   none            swap    sw              0       0