Checking SWAP space.

Swap space is a very necessary expectation of a linux based server hence, it's very important to monitor it.

This can be done via check_swap plugin.

via this plugin the swap memory usage can be monitored and necessary actions can be taken whenever required.

Benefits offered are -

1. Prevention of unexpected server crash.
   
2. Prevention of unexpected process/service crash due to unavailability of memory.
   
3. check on available memory or any such related issues.