Deep Thought III

Kiosks are used for a variety of functions from ATMs to quick ordering at restaurants. You probably use a computerized kiosk on a regular basis…

1. Implement a firewall The de facto firewall for Ubuntu is ufw (uncomplicated firewall).  I personally love this tool as it is easy to configure…

In my previous article, I showed you how to configure high availability clustering for MySQL or MariaDB.  But what if you are working in a…

This document is intended to walk you through setting up multiple servers to store your databases.  You can of course get by with a single…

There seems to be a new trend in IT — immutability.  But what is it?  Immutability is a security mechanism intended to assure the user…

In preparation for next month’s release of Ubuntu 24.04 codenamed Noble Numbat, I downloaded the daily build from March 11, 2024 and attempted to install…