A common use for the ip command is checking what network devices are connected to your Linux system. You can use this ...

If you find your thrill delving into the networking side of Unix, you'll find that there are lots of commands to give you all the insights you might want. I will never forget my first ping. Working on ...

I've been using Linux for what seems like forever. Over the years, I've noticed that I use the command line less and less, because the GUIs have just gotten so much better. Even still, there are ...

Part of the U.S. Air Force’s computer network defense efforts involve 67th Network Warfare Wing airmen monitoring Internet activity from a center located at Lackland Air Force Base. The wing falls ...

Topher, an avid Mac user for the past 15 years, has been a contributing author to MacFixIt since the spring of 2008. One of his passions is troubleshooting Mac problems and making the best use of Macs ...

Software-defined networking (SDN) promises some real benefits for people who use networks, but to the engineers who manage them, it may represent the end of an era. Ever since Cisco made its first ...

Click for a PDF with this and four other essential Linux articles. And, if you’ve ever heard anyone say that for Unix, everything is a file, you might not be too surprised to learn that lsof works ...