Sudo is one of the most powerful and dangerous tools in the Unix or Linux system administrator's toolbox. With it, an ordinary user can run commands just as if he or she were the superuser or any ...

Master the command line and you'll be able to perform powerful tasks with just a few keystrokes. This cheat sheet will help you remember helpful Linux commands, whether you're new to Linux or could ...

A vulnerability in the Linux sudo command has been discovered that could allow unprivileged users to execute commands as root. Thankfully, this vulnerability only works in non-standard configurations ...

The sudo command stands for “superuser do” and is one of the most important commands to know in Unix and Linux-based operating systems. (See the most important Linux commands for beginners.) Sudo ...

The sudoers file can provide detailed control over user privileges, but with very little effort, you can still get a lot of benefit from sudo. In this post, we’re going to look at some simple ways to ...

Ubuntu is one of the most customizable operating systems available. In order to begin to understand the various complexities of the system, you need to become familiar with the most basic commands at ...

I use the Linux command line daily, but that's because I learned Linux the hard way and those old lessons stuck. Most users could go their entire Linux lifetime and never run a single command. Some ...