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

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 ...

Special optimization apps promise to fix your PC, but you don't need them—PowerShell can do it better.

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 ...

3 Windows OS Loader %SystemRoot%\system32\winload.exe %SystemRoot%\system32\winload.efi 4 Windows NT OS Kernel %SystemRoot%\system32\ntoskrnl.exe When you hit the ...

Excerpt from CCNP TSHOOT 642-832. Cisco IOS Diagnostic Tools: This section shows how a few readily accessible Cisco IOS Software commands can be used to quickly gather information as part of a ...

Have you ever actually seen the "sfc / scannow" command actually fix a problem with Windows? This fix has been floating around technical internet forums for years now, BUT I've NEVER seen it once fix ...

Although it's typical to interact with the graphical user interface when using Windows, it's still a good idea to know how to use the Command Line. If you dedicate the time to learning it, you could ...

The command line is often the best place to resolve Windows 7 desktop problems. These basic commands will help speed your troubleshooting tasks. Holiday rerun: An oldie-but-a-goodie, these ...