Swap is space on a disk that is reserved to be used as virtual memory. A swap partition is not present on Cloud Servers by default, but swap can be added to a server by allocating a swap file.

This shell script for Nagios to check free memory on your Linux machines, this can support to CentOS, Fedora, Ubuntu Families and etc.

This shell script explains how to find out your system RAM memory usage by percentage level, free memory. How much your RAM memory Linux ate exactly and free.

If you want to increase ram space for red5 server in Linux just follow below steps. The Red 5 server installed location