Tag Archives: Ubuntu

Nagios 4.x Install from Source on Ubuntu 14.04

I am just starting to upgrade / install Ubuntu 14.04 on my servers, so it’s time to create a guide to install Nagios 4 on Ubuntu 14.04. Apparently Nagios Core install scripts wern’t well tested for Debian systems. But in any case, it can be installed with a couple modifications.

This guide is going to be very similar to my other Nagios install guides.

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Offline Migration of KVM Guests

It’s time to enter into summer mode with my lab. By that I mean that it’s time to move important KVM guests off of the HP G5 server and shut that space heater down. Here are my notes with moving guests. If you are looking to move guests from a CentOS to Ubuntu hypervisor, I encourage you to read over my findings. You could also reverse-engineer the article if you are going from Ubuntu to CentOS as well.

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Purging old Kernels in Ubuntu

Ubuntu likes to cut space on my /boot partitions awfully close when using their auto-partition method at install time. I had an apt update fail once because of a full /boot partition and have been keeping an eye on them since. They frequently fill past 80%, so I clean out the old kernels when this happens. There is probably more of an automated way to do it, but this works for now.

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Nagios 4.x Install from Source on Ubuntu 12.04

I do not have Nagios 4.x on any production boxes yet, but I want to keep track on how this is working on Ubuntu 12.04. Apparently Nagios Core wasn’t well tested for Debian systems if at all. But in any case, it can be installed with a couple modifications.

This guide is going to be very similar to my guide on Nagios 3.x.

Update: Are you already on Ubuntu 14.04? Head on over here for the latest guide.

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