Tutorials

Understanding GCC Warnings

Most of us appreciate when our compiler lets us know we made a mistake. Finding coding errors early lets us correct them before they embarrass us in...
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Tutorial: Tap the Hidden Power of Your Bash Command History

Last month I wrote about combining a series of Unix commands using pipes. But there are times where you don’t even need pipes to turn a carefully-...
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Introduction to YAML: Creating a Kubernetes Deployment

There’s an easier and more useful way to use Kubernetes to spin up resources outside of the command line: creating configuration files using YAML. In...
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Intro to Python
Start learning Python now with this introduction from Carla Schroder.

Today is a Good Day to Learn Python

Get started learning Python with this tutorial from our archives. The cool thing about Linux and FOSS is also an aggravating thing, which is that...
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C Programming Tutorial Part 3 - Variables Basics

Up until now, we've discussed the basics of what a C program is, how to compile and execute it, and what are preprocessors. If you have gone through...
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Networking Tool Comics!

I LOVE computer networking (it’s what I spent a big chunk of the last few years at work doing), but getting started with all the tools was originally...
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cockpit
If you’re looking for an easy way to manage a Linux server that includes containers, you should check out Cockpit.

Make Container Management Easy With Cockpit

Learn how to use Cockpit for Linux administration tasks in this tutorial from our archives. If you administer a Linux server, you’ve probably been in...
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Recursive Programming

Despite often being introduced early-on in most ventures into programming, the concept of recursion can seem strange and potentially off-putting upon...
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How Much Memory Is Installed and Being Used on Your Linux Systems?

There are numerous ways to get information on the memory installed on Linux systems and view how much of that memory is being used. Some commands...
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How to Use SSH to Proxy Through a Linux Jump Host

Secure Shell (SSH) includes a number of tricks up its sleeve. One particular trick you may not know about is the ability to use a jump host. A jump...
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