By Linda Garrould — Reviewed 7 June 2026 Introduction to the Unix / Linux command notebook I first used Unix over 20 years ago when I was at college. After that I got my first job and the company were then taking out their old Unix based system and were replacing it with a big … Read more
Discover how to check and free up ports in use on macOS with accessible commands. Perfect for developers and IT professionals needing to resolve port conflicts quickly.
Ubuntu Linux 10.4 / 10.10 Maverick are no-longer supported and when you try to upgrade you get 404 Not found messages about various package repositories. This blog explains how to fix your Linux repository list in Maverick so that you can successfully upgrade it to the latest release of Ubuntu Linux.