Linux

File systems and UUIDs on Linux

File systems and UUIDs have a special relationship on Linux systems. What are these very long identifiers and how can you view the connections between them and disk partitions?

Basic scripting on Unix and Linux

If you're not yet comfortable with writing scripts on Unix and Linux systems, this post might get you off to a healthy start.

5 top Linux server distros: How to choose the right one

What you need to know to choose among Debian, Fedora, CentOS, RHEL, and Ubuntu.

Creating and merging PDFs on Linux

Linux server certs becoming a must-have for IT pros

Becoming Linux-certified professionals can provide financial and career advantages.

Selectively reusing commands on Linux

Command history on Linux and Unix systems provides a lot more ways to rerun commands than you might know.

Smart ways to compare files on Linux

Many new tools for comparing files have emerged in Linux over the years, and in this post, we'll examine seven useful tools for doing that.

Random identity generation in Linux

Factorials and unscrambling words with bash on Linux

Solving problems with bash can be challenging, not just for us using Linux, but also for bash.

Serious 10-year-old flaw in Linux sudo command; a new version patches it

A vulnerability in sudo can elevate unprivileged users to root privileges.