Category: Linux Tutorials

Linux Server Managment

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Build a retro gaming console with RetroPie

The most common question I get on my YouTube channel and in person is what my favorite Linux distribution is. If I limit the answer to what I run on my desktops and laptops, my answer will typically be some form of an Ubuntu-based Linux distro. My honest answer to this question may surprise many. My favorite Linux distribution is actually RetroPie.

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What is a certificate?

Certificates, it turns out, are important.  Expired certificates can cause you huge problems – that’s what the stories in the news are telling us. But what is a certificate, why do they expire, and why

How to install Ansible on Fedora 29 for IT and server automation nixCraft

How do I install Ansible on Fedora 29 workstation? How can I set up and test Ansible playbooks using my Fedora Linux desktop?Introduction – Ansible is a free and open source configuration management tool. It

How to install Shutter screenshot tool on a Fedora Linux nixCraft

How do I install shutter screenshot tool to make screenshots on a Fedora Linux 29 workstations?Introduction – Shutter is an open-source and free Linux screenshot program screenshot tool for Linux. One can take a screenshot

Install Chromium browser in Fedora 29 using dnf command nixCraft

I am a new Fedora Linux user. I need to install and set up Chromium for testing purpose. How do I install Chromium browser in my Fedora Linux workstation?Introduction – Chromium is a free and

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Kubernetes for data scientists, Linux philosophy, troubleshooting hardware problems, Python, and more

An article inspired by a KubeCon North America 2018 conference talk was our biggest hit last week. Read on to see our round up of top 10 articles.

Would you like to get started writing for Opensource.com in the new year? It’s easy. Drop us a note with your article idea and outline:  open@opensource.com.

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Top 10 Raspberry Pi stories of 2018

For more discussion on open source and the role of the CIO in the enterprise, join us at The EnterprisersProject.com. The opinions expressed on this website are those of each author, not of the author’s

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Opening government data, new life for Mozilla Labs, a bug bounty program, and more news

In this edition of our open source news roundup, we take a look making government data open in the U.S., German state funding an open source e-health app, the return of Mozilla Labs, and more


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Linux/Unix desktop fun: Simulates the display from ‘The Matrix’ nixCraft Updated Tutorials/Posts

The Matrix is a science fiction action movie from 1999. It was written and directed by the Wachowski Brothers. The film has falling green characters on screen. The digital rain is representing the activity of

How To Nginx Redirect All HTTP Request To HTTPS Rewrite 301 Rules nixCraft Updated Tutorials/Posts

I have setup nginx as a secure reverse proxy server. How do I redirect all http://example.com/ requests (traffic) to https://example.com/ under nginx web server? You can easily rewrite/redirect all http requests to https with Nginx

How to create snapshots with lxc command for LXD nixCraft

I need to save the state of my existing app running on LXD before I push new Python-based app. How do I create snapshots with lxc command for LXD based Linux container?Introduction – LXD Linux

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Why data scientists love Kubernetes

Let’s start with an uncontroversial point: Software developers and system operators love Kubernetes as a way to deploy and manage applications in Linux containers. Linux containers provide the foundation for reproducible builds and deployments, but

How to set and use sudo password for Ansible Vault nixCraft Updated Tutorials/Posts

How can I set a sudo password for Ansible from the Linux or Unix cli? How can I store sudo password in a vault file and use it securely without exposing my details?You can create

How to hide files and directories in Linux nixCraft

I am a new Linux user. How do I hide files and directories in Linux operating systems using the command line interface?Introduction – In Linux and Unix-like systems, if a file or directory (folder) name

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Hot sysadmin reads for the new year

People work on a computer server

The sysadmin job is challenging and requires a lot of firefighting.

Knowing that putting out fires is a big part of your job, what one thing would you save if your datacenter was literally on fire? Please share your answers in the comments below. P.S. You can only save ONE thing!

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DevOps: Get up to speed with these handy guides

In 2018, the Open Source DevOps team helped produce two amazing guides to help advance our DevOps practices. The Ultimate DevOps Hiring Guide In April, we released The Ultimate DevOps Hiring Guide. It’s a wonderful collection of

Linux / UNIX List Just Directories Or Directory Names nixCraft Updated Tutorials/Posts

How do I list just directory names on a Linux and UNIX-like operating systems? How can I list directories only in Linux?Linux or UNIX-like system use the ls command to list files and directories. However,

How to change directory in Linux terminal nixCraft Updated Tutorials/Posts

My Dell Laptop came preinstalled with Ubuntu Linux, and I am a new Linux desktop user. How do I change directories in the Linux terminal?Introduction – On Linux the cd command allows you to change

Firefox is now placing ads and here is how to disable it nixCraft

Firefox user discovered that Mozilla Firefox is displaying ads on the home or new tab page. When you open Firefox on your desktop, an advertisement banner at the bottom page displayed. The advertisement read as

2018: Top 10 biggest news stories from Linux and open source world nixCraft

The year 2018 turn out to be big newsmaker for Linux and open source world. The most important acquisition in the open source world, Deepfakes, important security flows in CPUs, and the Facebook scandal all