Checking process.

 Individual process can be checked via check_proc plugin.

To check whether a given process is working or is in UP state can be achieved via this plugin.

This can be executed in the same way as is done by all other plugin i.e. via check_nrpe plugin

Benefits -

1. Prevention of unexpected process shutdown.
   
2. Checking a specific process and ensuring its “running” state everytime.
   
3. Information of the process failure in a proactive way.