Add Memory Swap
If you’re trying to improve your server’s performance, adding swap space (or memory swap) is a powerful and relatively simply place to start.
There are several ways to add memory swap, depending on which version of Linux you are using.
|Ubuntu and Debian 7||Add Memory Swap - Ubuntu or Debian 7|
|CentOS||Add Memory Swap - CentOS|
|Arch Linux||Add Memory Swap - Arch Linux|