Linux 101: What are environment variables? Your email has been sent Jack Wallen introduces you to Linux environment variables. What are they and how are they set and ...

The command-line interface (CLI) is the cornerstone of interacting with the Linux operating system. It allows users to enter commands directly, offering greater control and flexibility compared to ...

I have a simple API running in Flask on a Raspberry Pi. The Pi has Debian (buster) installed. In the API, I am making calls to Twilio. I'm storing sensitive info like the auth token in environment ...

Do you want to create a Shell script in your Linux system? This guide will take you through how to create a shell script using multiple text editors, how to add comments, and how to use Shell ...

This post follows up on Part 1 by examining the many ways that you can test the value of variables – e.g., whether they equal particular strings like “yes” or “no”, if they have a numeric value, if ...

If you don't know what the Linux desktop operating system is, or if you're new to it, Jack Wallen's quick explainer will get you up to speed. Linux. What is it? At one point in time it was a niche ...