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needrestart - nagios plugin mode

Needrestart can be used as a nagios plugin:

# needrestart -p
CRIT - Kernel: 4.6.0-1-amd64, Services: 1 (!), Containers: none, Sessions: 2 (!)|Kernel=0;0;;0;2 Services=1;;0;0 Containers=0;;0;0 Sessions=2;0;;0
Services:
- NetworkManager.service
Sessions:
- thomas @ session #16
- thomas @ user manager service

Since needrestart requires root privileges to scan processes of other users you should use sudo. Needrestart ships some example files to run needrestart as nagios plugin using sudo:

  • ex/nagios/check_needrestart - calls sudo to invoke needrestart
  • ex/nagios/needrestart-nagios - sudo(8) config allowing nagios to run needrestart as root
  • ex/nagios/plugin.conf - nagios(8) integration