Jack Wallen

The tail command makes it easy to view log entries as they are written in real-time. Jack Wallen shows you how to make use of this indispensable tool.

If you frequently lose your tabs, Jack Wallen wants to remind you about pinned tabs and one behavior that can totally frustrate you with that feature.

If you need to generate quick SSL certificates for test servers and services, mkcert might be the fastest option available. Jack Wallen shows you how to use this handy tool.

If you deploy containers with Docker, at some point you’ll need to troubleshoot. Jack Wallen shows you how to do so with the logs command.

Jack Wallen shows you a way around Gmail’s address limits so you can more easily keep track of your accounts.

Ever wonder where Tux the penguin came from? Jack Wallen offers up a bit of a history lesson.

Jack Wallen explains how Linux has changed computing for the better and ponders what might be next for the open source OS created by Linus Torvalds.

Backing up your Android device isn’t always straightforward. Jack Wallen offers a tip on how to add device folders and multimedia into your Google Drive backup plan.

If you’re looking for an open-source invoice system to deploy, Jack Wallen believes Invoice Plane might be just the solution to meet your needs.

Sometimes our read emails just build up and it would take too long to delete them. Here’s a way to do it quickly.

Jack Wallen shows you a neat little Gmail trick that makes it possible for you to not only gain unlimited Gmail addresses but more easily determine if something nefarious has been sent to you.

Looking for an easier way to configure SSH on your data center servers? How about Webmin? Jack Wallen walks you through some of the options for better SSH security using this web-based GUI.