Modern network connectivity is light years ahead of what it once was. Even though it's much more reliable than it was in the 1990s, issues still come up -- which is why I'm glad that Linux includes a ...

Most Linux problems aren't complex. They're poorly observed. These are the exact commands that I run before troubleshooting ...

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 ...

Even though Linux systems are quite stable, daily use can trigger certain errors. Several Linux distros include GUI tools, but the most reliable fixes happen in the terminal because it gives you more ...

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 ...

A common denominator of using computers is that you'll encounter problems requiring troubleshooting. After years of using Windows, I have noticed certain PowerShell commands have been the most handy ...

OS X is resilient. Its UNIX underpinnings are mature, tested, and -- more importantly -- stable. It's a modern OS that's as flexible as it is powerful, limited only by the end users operating the ...

I pulled up the microsoft help file on it but am unfamiliar with some of the terms.<BR><BR>Oh yeah,the network, W2K server with domain and windows 2000 pro workstations.<BR><BR>The net time command ...

If you’re considering adding Linux to your data center, or your company is looking at promoting you to become their first (or next) Linux admin, you probably understand there are lots of commands to ...

Figure 1. Link and activity lights can tell you a lot about the connection between two network devices. All network architectures rely upon a physical (or RF) connection between devices.