Interested in game development? Check out my YouTube channel for tutorials on developing games in Unreal Engine 4!

ATLAS Linux Server Tools allows you to easily manage multiple instances of ATLAS from command line. You can easily install and remove addons from the Steam Workshop or automate server restarts and updates through cron jobs.

The longer you have your server you may notice that the /boot partition has less and less space available. It is very possible that your server is never removing old kernels and is only installing new ones each kernel version release. If you have rebooted your server and everything is operating correctly, here is a simple way to reclaim that space.

Let’s Encrypt is a free, automated, and open certificate authority (CA), run for the public’s benefit. Let’s Encrypt is a service provided by the Internet Security Research Group (ISRG). The key principles behind Let’s Encrypt are: Free: Anyone who owns a domain name can use Let’s Encrypt to obtain a trusted certificate at zero cost. Automatic: Software running on a …

X2go is a great application for remotely accessing your Linux computer from a Windows, Linux, or Mac PC. What makes this unique for Linux is that you are able to connect to your computer at the login screen. Perhaps you are booting into a headless system and don't want a GUI running all the time. With X2Go you are able to select your desktop environment before connecting. For the session it will launch that GUI and then exit it upon logout.

What applications are you still using that are keeping you tied to the Microsoft Windows operating system? For me Photoshop is one of the only applications I use that won't run on Linux. My gaming library for Linux has been growing by leaps and bounds. As of October 2014 I have 181 Linux supported games in my Steam library. With the in-home feature I can play any of my games on my Linux machine.

A major security vulnerability has been discovered in the GNU Bash (Bourne Again Shell) for the Linux operating system. System administrators running Red Hat Enterprise , Fedora, CentOS, Ubuntu, and Debian distributions will want to update to the latest release of the Bash package.

Ever find yourself being asked to create an account at a website that has information you would like, but, you are worried they will spam you or give your e-mail address to some sort of list? GuerrillaMail.com is a great site that will give you a temporary e-mail address that can be erased at any time. GuerrillaMail has an easy …

When updating your software you may encounter an error that the public key is not available for a particular repository on your desktop or server. There are some simple steps you can take to add the public key to your  key database.  Fix: Replace the 16 digit code in the example with the characters supplied at the end of the …

linux-dash is a low-overhead monitoring web dashboard for a GNU/Linux machine. Widget based monitoring of load average, RAM, disk, processes, logs, IP, etc.

As a server admin I have times when I would like to know the real-time calculation of a server's upload and download speeds. Speedtest.net is a great site, but, it normally requires a GUI and browser that supports Flash to run the testing application. I ran across a great python script that will run Speedtest.net from a command line and give you the link to the image file showing your results.