Satellite rejuvnation


One of our satellites/checker got updated to 2.11 and our master is at 2.5.4. The cluster upgrade is on the horizon but want to fix the satellite until then.

My plan —

Take backup of /etc/icinga2 and /var/lib/icinga
Remove the 2.11 pkgs
Install 2.5.4 pkgs
Copy the cert (/var/lib/icinga2/cert) from backup
Start Icinga

Am I right? Please advise.


Versions before 2.8 need the certificates in /etc/icinga2/pki. Also, you need to control specific configuration settings from the changelog going backwards. AFAIK there are none, but a test VM for the downgrade is highly recommended.