Play around with PostgreSQL with docker so that you don't have to install it locally and can throw it away.
Set up Ubuntu 20.04 system as a KVM hypervisor.
My script for setting up a fresh install of Xubuntu 20.04
Fix an issue with Laravel not recognizing your requests as ajax requests.
Connect to a VLAN with your Ubuntu 18.04 or 20.04 computer.
How to deploy filebeat on Ubuntu 18.04
Deploy Elastic Search using Docker.
A cheatsheet for Clam AV
Install Shutter tool on Ubuntu 20.04
Use Apache commands to switch from serving up your site to a maintenance site you have ready to go.
Timestamped video on creating themes for October CMS
How to deploy jwilder/nginx-proxy container when you are using a wildcard SSL.