Category: Linux Tutorials

Linux Server Managment


WriteFreely: Start a blog, build a community

As more of our lives move online, we become dependent on large services with millions (or billions) of users to communicate with each other. Although we tend to notice problems only when these platforms change


An introduction to spatial joins with QGIS

QGIS is a free and open source geographic information system (GIS) that is extensible, interoperable with other GISes, and used by a ton of people (including me) who have geographic data to analyze and visualize.


Deploy InfluxDB and Grafana on Kubernetes to collect Twitter stats

Kubernetes is the de facto leader in container orchestration on the market, and it is an amazingly configurable and powerful orchestration tool. As with many powerful tools, it can be somewhat confusing at first. This


Infrastructure monitoring: Defense against surprise downtime

Infrastructure monitoring is an integral part of infrastructure management. It is an IT manager’s first line of defense against surprise downtime. Severe issues can inject considerable downtime to live infrastructure, sometimes causing heavy loss of

How to ping and test for a specific port from Linux or Unix command line nixCraft Updated Tutorials/Posts

I wanted to see if a specific port of a desktop computer or server is open from a Linux or Unix command line shell. How do I ping a specific port? Is it possible possible

Ubuntu 18.04.2 LTS released and here is how to upgrade it nixCraft

The Canonical LTD has released an updated version of its long term support (LTS) Linux distribution Ubuntu Linux 18.04.02. You must upgrade to get corrections for security problem as this version made a few adjustments

How to find a folder in Linux using the command line nixCraft Updated Tutorials/Posts

I am a new Linux user. How do I find files and folders in Linux using the bash command line? What is the command to find a folder in Linux?You can use find and locate


Zowe 1.0 released, Microsoft joins OpenChain, new Raspberry Pi store, and more news

In this week’s edition of our open source news roundup, we take a look at the first physical Raspberry Pi store, NVIDIA’s hyper-realistic face generator, Microsoft joining the OpenChain project, and more. Microsoft joins OpenChain


Make websites more readable with a shell script

If you want people to find your website useful, they need to be able to read it. The colors you choose for your text can affect the readability of your site. Unfortunately, a popular trend in


Why I love free software

The Free Software Foundation Europe (FSFE) is a charity that supports and promote the use of free software. Their latest income and expense report for 2017, shows that much of their efforts focus on, beyond basic


Drinking coffee with AWK

The following is based on a true story, although some names and details have been changed. A long time ago, in a place far away, there was an office. The office did not, for various


Programming languages to learn now, network monitoring tools, backup solutions, and more must-reads

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


What's the right amount of swap space for a modern Linux system?

Swap space is one of those things that everyone seems to have an idea about, and I am no exception. All my sysadmin friends have their opinions, and most distributions make recommendations too. Many years


Which programming languages should you learn?

If you want to get started or get ahead in your programming career, learning a new language is a smart idea. But the huge number of languages in active use invites the question: Which programming


Digital divide? How the Asian Penguins share Linux at Minnesota charter school

“It always seems impossible until it’s done.” —Nelson Mandela. On December 20, 2018, a team of four students and a chaperone from the Community School of Excellence (CSE) delivered a computer to the home of a


CFS: Completely fair process scheduling in Linux

Linux takes a modular approach to processor scheduling in that different algorithms can be used to schedule different process types. A scheduling class specifies which scheduling policy applies to which type of process. Completely fair scheduling


7 predictions for artificial intelligence in 2019

Without question, 2018 was a big year for artificial intelligence (AI) as it pushed even further into the mainstream, successfully automating more functionality than ever before. Companies are increasingly exploring applications for AI, and the


Google and Sony Pictures Imageworks release OpenCue, LF Edge organization launches, and more news

In this edition of our open source news roundup, we take a look at the Google and Sony Pictures Imageworks releasing OpenCue, The Linux Foundation launching LF Edge, six tips for jumpstarting open educational resources


8 open source music players for Linux

In the first part of this series, I write about the key requirements for an audiophile digital music player and shared the criteria I use to evaluate open source music players. Here in the second part, I’ll

Install Google Chrome 72 on CentOS 7 using yum command nixCraft

I am a new CentOS Linux 7 desktop user. How do I install Google Chrome 72 on CentOS 7 Linux desktop?Introduction – Google Chrome is one of the most popular web browsers. It has over