How to increase swap swap space) space in the ubuntu

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How To Add Swap Space on Ubuntu

• 2G below to increase the space as an example, count represents the number of blocks is increased (Size = bs * count)

   $ dd if =/dev/zero of=/root/swapfile bs=1M count=2048

• Formatting swap file

   $ sudo mkswap /root/swapfile 

• Enable swap file

   $ sudo swapon /root/swapfile

• Save the above configuration, reboot still valid, you need to add the following line in the file / etc / fstab in

  $ /root/swapfile swap swap defaults 0 0

Specific reference herein