proper way to update VMware XI appliance

[nag4csec42]

I am about to update the OS for our Nagios XI VMware appliance for the first time. Is there a proper procedure that I should follow documented somewhere? I have been unable to find it on the Nagios website and on this forum.

Let me know, thank you in advance!

[dwhitfield]

CentOS does not have an upgrade path. If you are moving from CentOS 6 to 7, you will need to migrate using the Backup/Restore procedure: https://assets.nagios.com/downloads/nag ... ios-XI.pdf

If this is RHEL, I think the limitation still exists, but you're better off asking Red Hat about that, and I assume you are talking about the OVA you downloaded from us.

CentOS 6 still has support for a couple of years. You could just wait to upgrade. yum update should get you the latest security fixes.

[nag4csec42]

Correct, I am talking about the ova I downloaded from Nagios Enterprises.

I will obviously run a Nagios backup and take a VMware snapshot prior to the update. I just wanted to make sure I was following proper update procedures prior to running the OS update. Would you recommend that I stop all the Nagios services prior to the update or just leave them running during the yum update process? Is there anything else that I should consider or take into account prior to running the OS update?

Thanks for your assistance!

[dwhitfield]

If all you are doing is yum update and not a move from CentOS6 to 7, then things should be fine. I run yum-cron myself, and have never run into any issues. Of course, taking a backup is a good fail safe.

The caveat to the above is that if you have any custom plugins (or components) that use specifics in a version of perl/php, we can't say anything about those. However, Red Hat (and thus CentOS) try very hard not to break things.