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Posts about various Linux operations, mainly about Ubuntu server.

How to upgrade Ubuntu 20.04 to Ubuntu 22.04 with LibreNMS monitoring

How to upgrade Ubuntu 20.04 to Ubuntu 22.04 with LibreNMS monitoring

As I am using LibreNMS to monitor my customer's networks, I like to keep everything updated as much as possible, using the LTS releases of Ubuntu server. One of the last servers I didn't yet upgrade to Ubuntu 22.04, is the LibreNMS central server and

How to upgrade from PHP 7.x to 8.1 on Ubuntu 20.04 for LibreNMS

How to upgrade from PHP 7.x to 8.1 on Ubuntu 20.04 for LibreNMS

As I am using LibreNMS to monitor my customer's networks, I like to keep everything updated as much as possible. LibreNMS stopped updating itself, requiring PHP 8, ideally PHP 8.1. This upgrade is a simple task. However, to record how to do it, in case I need