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In this article, we will describe four ways using which a user can log out of his/her Ubuntu session using UI, the Keyboard shortcut, the application launcher search bar, and through the Ubuntu command line.

There's a lot more to printing from the Linux command line than the lp command. Check out some of the many available options.

Ansible is an automation tool centered around configuration and orchestration management. One important thing that many systems administrators and engineers need to be aware of when using Ansible is how to optimize it to improve its speed and performance. Here are some tips and tricks to keep in mind. read more

There are plenty of ways to tackle the word substitution from the command line, ranging from Perl to awk, but here I'm using the original UNIX command sed (stream editor) designed for exactly this purpose.

Wiki.js is an open source, modern and powerful wiki app based on Node.js, Git, and Markdown. Wiki.js runs on the blazingly fast Node.js engine and is optimized to conserve CPU resources.

I remember the very first time I encountered Vim. I was a university student, and the computers in the computer science department's lab were installed with Ubuntu Linux. While I had been exposed to different Linux variations (like RHEL) even before my college years (Red Hat sold its CDs at Best Buy!), this was the first time I needed to use the Linux operating system regularly, because my classes required me to do so. Once I started using Linux, like many others before and after me, I began to feel like a "real programmer." read more

A Relational Database Management System (RDBMS) is a Database Management System (DBMS) that is based on the relational model. Most database systems today are based on this type of system.

Learn how to use pwquality pam module to create a password policy in Linux. We also discuss the use of character credits and how they effect your policy.

PrestaShop is a free and open-source e-commerce platform. It is based on PHP and MySQL and can be extended with free and premium plugins and themes. With features like intuitive administrative interface, multiple payment gateways, multi-lingual, analytic and reporting PrestaShop is a platform of choice for many online merchants.

If you're the Linux Mint and KDE lover, then you know that starting from Linux Mint 19 "Tara", your beloved Linux distro has stopped shipping with KDE. So Linux Mint KDE has died a brutal death. But we can revive the combination of two best software, i.e. Linux Mint on KDE.

There's no euro symbol on my keyboard, but I can enter that character in any document or in my terminal with Ctrl + Shift + u +20ac. I can do the same with "umlaut a" (00e4) and "cedilla c" (00e7) and the degree symbol (00b0) and... Wait! Who am I kidding? There's no way I can remember all those Unicode code points. For this reason I wrote a script for quick and easy retrieval of my most-often-used special characters from a GUI.

We are saddened to see that the largest body associated with Linux (the kernel and more) is not really eager to see GNU/Linux success; it’s mostly concerned about its bottom line (about $100,000,000 per annum)

In this tutorial, we'll explain how to set up a static IP address on Ubuntu 18.04.

How to Secure Nginx with Let’s Encrypt on Ubuntu. HTTPS ensures that no information is passed as plain text. It’s recommended to use SSL certificates on all websites.

In this first piece, I’ll be demonstrating the installation and configuration of OpenLDAP on Ubuntu Server 18.04. All you will need to make this work is a running instance of Ubuntu Server 18.04 and a user account with sudo privileges.

Mozilla released the first point release to its latest Firefox 66 web browser to address two critical security vulnerabilities exposed during the Pwn2Own hacking contest event.

The $120 to $165 “SparkFun Autonomous Kit for Sphero RVR” extends the $250 Sphero RVR robot with an Raspberry Pi Zero W, a pan-tilt camera, GPS, and an optional ToF distance sensor. SparkFun Electronics recently completed a successful Kickstarter project for its Sphero RVR, a four-wheeled tank-treaded robot that offers optional programming via a Raspberry […]

Ever since the Electronic Frontier Foundation’s Panopticlick initiative in 2010, I’ve been sensitized to the risks and potential harms that come from adtech’s tracking of consumers. Indeed, in the years since, it has gotten far far worse. People are only now discovering the bad stuff that has been going on. For example, iPhone apps have been secretly recording users' keystrokes (see ZDNet, Feb 8, 2019), and Android apps with more than 2 billion downloads were committing ad fraud on real humans’ devices behind their backs (see BuzzFeed News, Nov 2018).

Let's say you've found an open source project you really love and you want to do more than just contribute. Or you love coding, but you don't want to spend the rest of your life interacting more with your computer than you do with people. How do you combine your love for open source software with your love for the community in a way that allows you to invest your time in both? read more