To make the best use of the ss command, it’s important to understand what a socket is. A socket is a type of pseudo file (i.e., not an actual file) that represents a network connection. A socket ...

The most important networking command in Linux might be ping. This command lets you check if a remote machine is responding ...

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 ...

Commands that provide help are essential. Here's a look at some of the help you can get from the Linux system itself. Even after you’ve used Linux for a while, you will still find yourself needing ...