Jack Wallen

Are you having trouble remembering what IP addresses are in use on your network? Fret not, Jack Wallen shows you how to discover those addresses with two simple commands.

If you’ve adopted Ubuntu Server 18.04, and you want to add a desktop environment, Jack Wallen shows you how with a couple of easy commands.

Your CentOS 7 servers are rock solid, but could still use a bit of help. Find out how to install an easy to use intrusion detection system in less than five minutes.

Your Ubuntu Server might be vulnerable to attacks. To prevent unwanted logins, Jack Wallen shows you how to install intrusion detection system, fail2ban.

There’s a command line tool for running multiple commands on multiple Linux servers at once. Jack Wallen shows you how with Parallel-SSH.

Jack Wallen shows you how to add a remote server to the Zabbix monitoring system, so you can keep track of all your data center Linux servers from a single location.

This update of Jack Wallen’s controversial article about choosing (or not choosing) an IT career looks at some possible indications that IT might not be for you.

If you’re looking for an open source tool to sync Google Drive to the Linux desktop, look no further than rclone.

Jack Wallen outlines the ideal combination of Firefox extensions to prevent browser tracking.

Configuring IPv6 so that it won’t cause problems with certain operating systems isn’t difficult.

Jack Wallen shows you how to disable a small portion of notifications coming from the System UI in Android Pie.

If you’re looking for a security-minded live Linux distribution, TENS makes desktop protection incredibly simple.