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Debian System Administrator’s Handbook is a free-to-download book that covers all the essential part of Debian that a sysadmin might need.

GitLab's open culture is one of its strongest assets and the main reason I use GitLab in DevOps transformations. The community edition's code is open source and the paid version makes its source code available for contributions. These are valuable factors rooted in the company culture its CEO has diligently maintained over the years. It doesn't hurt that its tools are great, too. read more

Take a look at the tools covered in the three previous articles, and you will see that understanding the glue that joins them together is as important as recognizing the tools themselves. Indeed, tools tend to be simple, and understanding what mkdir, touch, and find do (make a new directory, update a file, and find a file in the directory tree, respectively) in isolation is easy.

The Foreman is an open source software for managing the lifecycle of physical and virtual servers. It's a server management solution that helps system administrators to perform server provisioning and configuration to the orchestration and monitoring. Foreman offers support for provisioning tools such as Puppet, Chef, Salt Stack, Ansible etc.

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 general public has grown accustomed to interacting with the technology on a daily basis. read more

Running a speed test can be very useful to verify the current state of an internet connection, for example, to verify that our ISP (Internet Service Provider) is respecting the parameters we are paying for, or to diagnose possible problems. One of the most common ways to check ping, download and upload values is to run a test from the speedtest.net website. The speedtest-cli program let us run the same test from our beloved command line interface.

Google is working to advance the next stage of cloud cybersecurity with an approach known as Confidential Computing and the open-source Asylo project which makes it easier to implement.

Whether you’re an IT leader or working your way up, these resources will boost your Kubernetes IQ

Using the correct timezone is important for many systems related tasks and processes. For example, the cron daemon uses the system’s timezone for executing cron jobs and the timestamps in the log files are based on the same system’s timezone.

Canonical announced today that the upcoming Ubuntu 18.04.2 LTS (Bionic Beaver) operating system would be delayed for a week, until February 14th, due to a boot error that cannot be fixed in time.

The open source Kubernetes startup Rancher makes public its easy way to deploy containerized applications to multiple clusters.

The top command in Linux lets you monitor currently running processes and the system resources they are using. This article describes various ways in which you can use the top command to keep a check on your system activities as an administrator, much more efficiently.

Shoshana Zuboff's new book The Age of Surveillance Capitalism goes into gory details of how companies collect, use, buy and sell your data for profit, often without consent or even the consumer knowing it was happening, until disasters reveal some of the dark underbelly—like the Cambridge Analytica scandal. But, I’m a marketer, so I will focus on the subset of “surveillance marketing”—also known as “digital marketing”—where companies profit off of you, because they are set up to do so.

In 2018, we saw a clear demonstration of the free and open source software (FOSS) business model's importance when IBM moved to purchase Red Hat for $34 billion. The FOSS ecosystem also celebrated its durability last year, as the Open Source Initiative (OSI) celebrated the 20th anniversary of the open source movement. read more

The Linux-only video editor Flowblade has released its new version with workflow overhaul, new tools and refreshed UI. Check it out.

This select set of Linux commands can help you master the command line and speed up your use of the operating system.

We round up the most popular articles from the past week.

Steam is a cross-platform entertainment platform developed by Valve Corporation for purchasing and playing video games. It gives you access to thousands of games and allows you to meet new people.

Cachet is a beautiful and powerful open source status page system written in PHP that allows you to better communicate downtime and system outages to your customers, teams, and shareholders. In this tutorial, we will install Cachet status page system by utilizing PHP, Nginx, MySQL, and Composer on Ubuntu 18.04 LTS.

Ansible playbook files are text files in a YAML format. People who work regularly with them have their favorite editors and plugin extensions to make the formatting easier. When I teach Ansible with the default editor available in most Linux distributions, I use Vim's visual mode a lot. It allows me to highlight my actions on the screen—what I am about to edit and the text manipulation task I'm doing—to make it easier for my students to learn.