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If you think Linux is only for servers and people who don't like watching YouTube videos or playing games, you're wrong! Linux is one of the most versatile operating systems in the world and is quickly developing into a beautiful environment where cool games can run natively.

If you still need to open applications with root permission, these are some gksu alternatives in Ubuntu 18.04.

VIDEO: There's a new release of the Xen hypervisor, but it's far more than just a minor update.

Cluster computers constructed of Raspberry Pi SBCs have been around for years, ranging from supercomputer-like behemoths to simple hobbyist rigs. More recently, we’ve seen cluster designs that use other open-spec hacker boards, many of which offer higher computer power and faster networking at the same or lower price. Farther below, we’ll examine one recent open source design from Paul Smith at Climbers.net that combines 12 octa-core NanoPi-Fire3 SBCs for a 96-core cluster.

In Linux, if you ever need help regarding a command, all you need to do is to open its man page. But what if a situation arises wherein the requirement is to quickly search the names and descriptions of all available man pages? Well, Linux has got your covered, as there exists a command dubbed apropos that does exactly this for you.

This article is part of a Go series by Mihalis Tsoukalos: read more

News briefs for July 11, 2018.

Google's Chromium evangelist François Beaufort announced today that another cool new feature is coming to their Chromebooks running the Linux-based Chrome OS operating system to better accomodate Android apps.

On Indiegogo, Network Sorcery is pitching “UCAN” software for a CAN-equipped Raspberry Pi board that enables passive, real-time decoding of automotive telematics data over the CAN Bus. UCAN initially supports GM, Infiniti, and Nissan cars. San Diego based Network Sorcery, which publishes information about network communication protocols, including the RFC Sourcebook, has gone to Indiegogo.........

The KDE Plasma team knows that you want to take control over your computing experience. Many things work out of the box. Like using the multimedia keys on your keyboard to play and pause your music in Amarok. Or controlling the audio of individual applications in the audio volume plasmoid. The only problem: the browser didn’t play nice with the rest of the applications. This is now changing and you can try it already in openSUSE Leap 15.

We are very happy to announce the results of the 2018H1 Mozilla Research Grants. This was an extremely competitive process, with over 115 applicants. We selected a total of eight ...........

It's nearly six weeks late, but Xen 4.11 has finally shipped. If you're wondering about the delay, there's a reason for that. Xen's devs have been busy rewriting the project's code, some of it from the ground up.

As cloud computing was starting to hit its stride six or seven years ago, one of the important questions people were struggling with was: "What do my apps have to look like if I want to run them in a public, private, or hybrid cloud?"

There were a number of takes at answering this question at the time.

A Docker container provides a way to run multiple isolated systems on a single server or host. Each container shares kernel (& libraries also) of the host’s operating system. And since each container that is being used, shares OS with host, it makes docker containers very light in size. In-fact size of a Docker container can be in Megabytes (not GBs) & they load up extremely faster in mere seconds as compared to virtual machines that are GBs in size & take minutes not seconds to load up.

Since Opensource.com first published the story of the GNU/Linux hearing aid research platform in 2010, there has been an explosion in the availability of miniature system boards, including the original BeagleBone in 2011 and the Raspberry Pi in 2012. read more

Power management in the Xen Project Hypervisor historically targets server applications to improve power consumption and heat management in data centers reducing electricity and cooling costs. In the embedded space, the Xen Project Hypervisor faces very different applications, architectures and power-related requirements, which focus on battery life, heat, and size.

In this tutorial we will show you how to install PostgreSQL on Ubuntu 18.04 and explore the fundamentals of basic database administration.

Gaming has traditionally been one of Linux's weak points. That has changed somewhat in recent years thanks to Steam, GOG, and other efforts to bring commercial games to multiple operating systems, but those games often are not open source. Sure, the games can be played on an open source operating system, but that is not good enough for an open source purist. read more

The question of the earliest GCC compiler version to support for building the Linux kernel comes up periodically. The ideal would be for Linux to compile under all GCC versions...

This tutorial describes how to set up and configure virtual mail hosting with an LDAP backend. Software we will use in this howto: Postfix (MTA), Dovecot (IMAP / POP3), Gnarwl (vacation), OpenLDAP (LDAP) and vMailpanel as the management interface. Optional are Proftpd FTP, Roundcube (webmail) and MariaDB (SQL backend for Roundcube).