Thanks in advance.
I am creating a shell script that collets data from the system and prints the output , yet I don't know how to implement a return code that indicates wheather it is in a critical state or not.
It is easy to implement a return code in a passive state, because it is done by just writing the return code into a file to be sent to Nagios.
Please let me know How to inform Nagios of its state.
Sorry for my terrible English