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Basic usage of Screen command with examples in Linux.

Now that FirewallD has taken iptables slot as the preferred host firewall, it's more important than ever to know the basics. In this tutorial we cover everything you need to know to start using FirewallD effectively.

2DayGeek: Learn, how to housekeeping filesystem in Linux.

In this brief guide, we are going to look at how to reset Ubuntu operating system to its factory default settings by using the Resetter application.

Collectl is a free, open source and light-weight performance monitoring tool that can be used to gather information of system resources such as, cpu, disk, memory, network, Infiniband, lustre, memory, nfs, slabs and many more. In this tutorial, we will learn how to install and use Collectl on Ubuntu 18.04 server.

In Kubernetes is a dump truck, I talked about how a tool can be elegant for the problem it was designed to solve—once you learn how to use it. In part 2 of this series, I'm going a little deeper into the Kubernetes' learning curve.

This tutorial explains how to do package management operations such as installing, removing, updating, and upgrading packages using Nix package manager.

Akademy is free to attend, however you need to register to reserve your space. Once you have registered, take a look at our guide on how to travel to Milan and check out the accommodation we have arranged and recommend for attendees. We also have a guide on how to get from different locations within Milan to Akademy. This guide also includes information on how to move around the city in general -- useful for sightseeing!

You might not believe me if I tell you that we decide what “cool” means, unless you look at the results in real life.

Memcached is a free and open-source high-performance in-memory key-value data store. It is mostly used to speed up applications by caching various objects from the results of database calls.

Searching for a way to show a script output on the Gnome Shell panel (top bar), I came across Argos. This Gnome Shell extension does only one thing: it adds a new item with a dropdown menu to the panel, showing the output from a script and exposing functionality.

In the first two articles in this series, I explained how Kubernetes is like a dump truck and that there are always learning curves to understanding elegant, professional tools like Kubernetes (and dump trucks, cranes, etc.). This article is about the next step: learning how to drive. read more

Periodically, the kernel developers debate something everyone generally takes for granted, such as the length of a line of text. Personally, I like lines of text to reach both sides of my screen—it's just a question of not wasting space.

News briefs for June 5, 2019.

Ubuntu 14.04 LTS users are advised to upgrade Ubuntu 16.04 LTS, as this version was officially transitioned to ESM support phase.

Canonical has released new Linux kernel security updates for all supported Ubuntu Linux releases to address various security vulnarabilities.

iWave’s “iW-RainboW-G34M-SM” module runs Linux 4.0 or Android Oreo on an i.MX8M Mini or Nano SoC with 2-8GB LPDDR4, 8GB or more eMMC, 802.11ac/BT 4.2, and support for -40 to 85°C and up to 2x GbE ports. iWave announced a 67.6 x 37mm, SODIMM form-factor compute module with support for either NXP’s i.MX8M Mini or […]

Mystery solved; Linux.com became inactive because the "Linux" Foundation, whose leadership takes home millions in salaries, fired all the people who actually write about GNU/Linux

You might see a missing public GPG key error ("NO_PUBKEY") on Debian, Ubuntu or Linux Mint when running apt update / apt-get update. This can happen when you add a repository, and you forget to add its public key, or maybe there was a temporary key server error when trying to import the GPG key.

In 1999, Bruce Perens left the Open Source Initiative that he co-founded with Eric S. Raymond. In his letter to the community, he explained: “Open Source has de-emphasized the importance of the freedoms involved in Free Software.”