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 eval command allows you to run the contents of variables as commands and can be very useful, especially in scripts. There are probably a lot of Linux users who have never encountered the eval ...

There's a lot of hubbub out there now about a security hole in the Unix/Linux family's sudo command. Sudo is the command, which enables normal users to run commands as if they were the root user, aka ...

I once locked myself out of my files with a simple mistyped command. This was the first time I rendered my Linux installation unusable, and it was because I didn’t understand permissions. While I ...

One of Linux's strengths as an operating system is its ability to be configured and tweaked to suit your tastes. Using the command line allows you to issue powerful commands that are unavailable to ...

As Terry Lambert, the developer behind Linux ancestor Unix, once said, "It is not Unix's job to stop you from shooting your foot. If you so choose to do so, then it is Unix's job to deliver Mr. Bullet ...

How to run remote commands on multiple Linux servers with Parallel-SSH Your email has been sent There's a command line tool for running multiple commands on multiple Linux servers at once. Jack Wallen ...