how do I tell the traceroute command to NOT use a UDP port? <BR><BR>My router blocks my traceroute requests on my UNIX and OS X box but not my Windows box. I narrowed it down to being a UDP port ...

Traceroute is still a great tool, but mtr ("my traceroute") provides even more insights when you're looking into network routing problems. The mtr tool—“my traceroute”, originally “Matt’s traceroute” ...

The most important networking command in Linux might be ping. This command lets you check if a remote machine is responding to your requests. You can use ping to check if your internet connection is ...

You need to understanding routing tables if you're going to do any kind of network troubleshooting. Let's take a look at what Linux commands can tell you about how your system is making connections.

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 ...