A Nagios compatible plugin to check if macOS system updates are available.
``` sh Usage: checkmacosupdates [OPTIONS]
Options:
-f, --force-manual Force manual check with softwareupdate -l (slow)
-c, --critical-on-updates Return critical if updates are available
-h, --help Print help
-V, --version Print version
```
Use together with nrpe or similar, preferably with Opsview.