Jack Wallen

Zombied processes can indicate a problem with a piece of software. Jack Wallen shows you how to find and kill those zombies on your Linux data center servers.

If you need a word process for your Android device, Jack Wallen says you cannot go wrong with one of these five.

Your nmap service probe database is probably way out of date. Jack Wallen shows you how to update that special file to the latest version.

Jack Wallen lays out his top five desktop distributions, each of which would be a great choice to serve as any users’ desktop.

Creating a bootable Linux USB flash drive doesn’t have to be a challenge. With the help of Popsicle, you can burn those images with a couple of clicks.

Jack Wallen shows you how to use the macOS Automator tool to simplify your mobile workflow.

If you’re not sure where to start the troubleshooting process for Apple Mail connectivity issues, Jack Wallen would like to introduce you to the Connection Doctor.

Jack Wallen shows you how to create Android home screen shortcuts for Google Drive folders, to make your cloud account interaction even easier.

Sending larger files doesn’t get much easier than Mozilla’s new service, Firefox Send. Jack Wallen shows you how it’s done.

If you want to use the newest possible version of the Firefox web browser, the unstable nightly build might be the ticket. Jack Wallen shows you how.

Jack Wallen shows you how to install and use the directory monitor tool, fswatch.

Need a dedicated firewall appliance? OPNsense is a free, open-source solution, ready to protect your network from intrusion.