If you're working in a Linux environment, chances are you've encountered environment variables—even if you didn’t realize it at the time. They quietly power much of what goes on behind the scenes in ...

Jack Wallen introduces you to Linux environment variables. What are they and how are they set and unset? How many times have you installed something on Linux, only to find out that you need to set ...

Jack Wallen shows you how to pass environment variables to Docker containers for a more efficient development process. Did you know you can pass environment variables from your host to Docker ...

This blog covers topics across the spectrum of security, privacy and compliance, as well as the people and issues driving enterprise infosec today. Outside of command line tutorials for Linux, the ...

Are you currently learning Bash? Have you seen things like $0 and $EUID and wondered what they mean? Or what the difference is between $UID and $EUID? I'll cover ...

The configuration of your user account on a Linux system simplifies your use of the system in a multitude of ways. You can run commands without knowing where they’re located. You can reuse previously ...

I've added some environment variables to /etc/profile and /etc/bashrc, but when I run commands with sudo, they're not there—sudo env does not list them. Is there some other profile I should be editing ...

Linux.com takes a look at the locale environment variables. "People all over the world use Linux in dozens of languages. Since Linux's source code is free and open, speakers of minority languages can ...

Your editor, who is normally not overly worried about operating-system upgrades, approached the Fedora 25 transition on his laptop with a fair amount of trepidation ...