A reluctant former ProdOps pro's story of learning to love DevOps.

In this article, we will explain two ways for you to convert all spaces in filenames to underscores, simply through the command line.

In Continuous integration testing for the Linux kernel, I wrote about the Continuous Kernel Integration (CKI) project and its mission to change how kernel developers and maintainers work. This article is a deep dive into some of the more technical aspects of the project and how all the pieces fit together. read more

FreeRADIUS is a free and open-source client/server protocol that provides centralized network authentication on systems and daloRADIUS is a web-based application for managing RADIUS server. In this tutorial, I will explain step by step how to install FreeRADIUS and Daloradius on Ubuntu 18.04 LTS.

Learn, how to configure raw disk as an ASM disk in Linux.

The word innovation gets bandied about in the tech industry almost as much as revolution, so it can be difficult to differentiate hyperbole from something that’s actually exciting. The Linux kernel has been called innovative, but then again it’s also been called the biggest hack in modern computing, a monolith in a micro world. Setting aside marketing and modeling, Linux is arguably the most popular kernel of the open source world, and it’s introduced some real game-changers over its nearly 30-year life span.

MySQL allows you to create multiple user accounts and grant appropriate privileges so that users can connect and manage databases. If the user account is no longer needed, it is a good idea to either remove the user privileges or to completely delete the user account. This tutorial explains how to delete MySQL/MariaDB user accounts.

Natural language processing (NLP) is a set of techniques for using computers to detect in human language the kinds of things that humans detect automatically.

As Linux administrator, we always use chmod command to change file permissions in Linux. It may happens many times in a day, it depends on your environment size and team size. In this tutorial , learn how to change bulk file permissions recursively in Linux.

RISC-V now has formidable competition from an architecture with a long track record in servers and supercomputers.

Install ILIAS E-Learning LMS on Ubuntu 16.04. This guide explains how to install and setup ILIAS Learning Management System with PHP 7.1, Apache and MySQL 5.7

A video about gaming on Linux.

An AWK array can be something like a lookup table, held in memory. You can use that lookup table for data operations on another file, and in this post I demonstrate reformatting and table joining.

I love learning the what, why, and how of new open source projects, especially when they gain popularity in the DevOps space. Classification as a "DevOps technology" tends to mean scalable, collaborative systems that go across a broad range of challenges—from message bus to monitoring and back again. There is always something new to explore, install, spin up, and explore.

Out of the hundreds of possible Linux commands you could learn, here are the ten basic ones you really need to know.

Gammy, an adaptive screen brightness GUI tool that that was originally only available for Microsoft Windows, was ported to Linux (X11 only) recently.

When using modern monitoring solutions, we often want to be alerted when something goes wrong in our infrastructure. We may want to receive an email if one of our hosts goes down. Or we may want to receive a message on our team Slack if HTTPS certificates are about to expire for example. In your monitoring infrastructure, setting up custom alerts is crucial. In this tutorial, we are going to take a special look at the AlertManager with Prometheus.

JClarity is a key contributor to the AdoptOpenJDK project, which is building binaries of OpenJDK for a variety of platforms, including Linux and Windows. JClarity provides software performance analytics and tuning which they say is "driven by machine learning," and which is aimed at trying to solve Java performance problems on the desktop and in the cloud.

Most Linux users are at least familiar with VLC, and a good portion of them have it installed. What many don't know is that VLC can handle much more than just playing your videos. In addition to its many other options, VLC can easily stream a video over your network.

In this article, we will give you an introduction to some famous video players for Ubuntu. We will also tell you where to find their websites and how to install them on Ubuntu.

You know Play Store security scans are really bad when spyware based on open source code manages to slip past Google's defenses, not once, but twice.

The Red Hat Enterprise Linux 6 and CentOS 6 GNU/Linux operating systems have received an important Linux kernel security update that addresses several critical vulnerabilities and fixes various bugs.

The mktemp command creates a temporary file or directory safely and prints its name. All files and directories will be saved in the system's temporary directory, i.e /tmp.

On the day of Steam Play hitting the big one year anniversary (August 21st), it seems another milestone has been reached in terms of compatibility.

In this tutorial, we will show you how to install Go on an Ubuntu 18.04 VPS, as well as show you how to build a simple Go application.

The ability to share files regardless of the physical distance and almost instantaneously is one of the greatest characteristics of the Internet. With 4.3 billion Internet users at the beginning of 2019, the amount of data transferred over the Web is almost unimaginable.

Nginx comes with features for you to block a DDoS attack on your server. Learn how you can configure your Nginx to prevent a DDoS attack.

The DNS nameservers (resolvers) are servers which are used by other devices to perform DNS lookup for a requested domain.

In this article, we will explain how you can install Trimage on your Ubuntu both through the UI and the command line. We will then explain how you can launch and use this tool to losslessly compress images through your Ubuntu.

Moving files in Linux can seem relatively straightforward, but there are more options available than most realize. This article teaches beginners how to move files in the GUI and on the command line, but also explains what’s actually happening under the hood, and addresses command line options that many experience users have rarely explored. read more