Nagios plugin scripts have to return two things:
1. Exit with a return value
2. A text output to STDOUT
1. Exit with a return value
2. A text output to STDOUT
Possible plugin return values are:
Plugin Return Code | Service State | Host State |
---|---|---|
0 | OK | UP |
1 | WARNING | UP or DOWN/UNREACHABLE |
2 | CRITICAL | DOWN/UNREACHABLE |
3 | UNKNOWN | DOWN/UNREACHABLE |
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