Jack Wallen

Cubic is here to help you create a custom Linux image to be used in your data center deployments.

Adding a digital signature to your email is just one simple step you can take in your journey for more secure communications. Jack Wallen shows you how this is done in the latest version of Apple Mail.

If you’ve ever lost all of your pinned and open tabs in Firefox, you know how frustrating it can be. Jack Wallen shows you how he backs up his session to recover tabs from the previous instance.

If you’re looking for a new laptop that ships with Linux pre-installed, read Jack Wallen’s top five picks.

From sophisticated camera enhancements to major battery improvements to the game-changing Tensor chip, the Pixel 6 takes Google’s flagship phone to the next level.

If you need to hide sections of text in Google Documents, give the handy DocSecrets add-on a try.

Make sure the Linux servers in your data center are free from vulnerabilities by scanning them immediately using Nessus.

In this installment of Jack Wallen’s Linux 101 series, he explains how to use the mount command to mount an external drive to the internal file system.

Open source expert Jack Wallen explains the Linux source command and offers an example.

Find out what to do you do when you see the “There are stopped jobs” warning in the Linux terminal.

If zombie processes are a problem on your system, watch this Linux 101 tutorial to learn how to take care of them.

Switching the SSH listening port is an easy way to help secure remote login on your Linux servers. But when SELinux is involved, you have to take a few extra steps. Jack Wallen shows you how.