CentOS

CentOS
är en fritt tillgänglig Linux-distribution baserad på Red Hat Enterprise Linux (RHEL) och målet är att vara 100 procent kompatibel med denna.

ftp://ftp.sunet.se/pub/Linux/distributions/centos/

CentOS hemsida :
http://www.centos.org/

Linux Journal Ceases Publication: An Awkward Goodbye 8 augusti, 2019
by Kyle Rankin IMPORTANT NOTICE FROM LINUX JOURNAL, LLC: On August 7, 2019, Linux Journal shut its doors for good. All staff were laid off and the company is left with no operating funds to continue in any capacity. The website will continue to stay up for the next few weeks, hopefully longer for archival […]
Oops! Debugging Kernel Panics 7 augusti, 2019
by Petros Koutoupis A look into what causes kernel panics and some utilities to help gain more information. Working in a Linux environment, how often have you seen a kernel panic? When it happens, your system is left in a crippled state until you reboot it completely. And, even after you get your system back […]
Loadsharers: Funding the Load-Bearing Internet Person 7 augusti, 2019
by Eric S. Raymond The internet has a sustainability problem. Many of its critical services depend on the dedication of unpaid volunteers, because they can't be monetized and thus don't have any revenue stream for the maintainers to live on. I'm talking about services like DNS, time synchronization, crypto libraries—software without which the net and […]
Documenting Proper Git Usage 7 augusti, 2019
by Zack Brown Jonathan Corbet wrote a document for inclusion in the kernel tree, describing best practices for merging and rebasing git-based kernel repositories. As he put it, it represented workflows that were actually in current use, and it was a living document that hopefully would be added to and corrected over time. The inspiration […]
Understanding Python's asyncio 7 augusti, 2019
by Reuven M. Lerner How to get started using Python's asyncio. Earlier this year, I attended PyCon, the international Python conference. One topic, presented at numerous talks and discussed informally in the hallway, was the state of threading in Python—which is, in a nutshell, neither ideal nor as terrible as some critics would argue. A […]
RV Offsite Backup Update 7 augusti, 2019
by Kyle Rankin Having an offsite backup in your RV is great, and after a year of use, I've discovered some ways to make it even better. Last year I wrote a feature-length article on the data backup system I set up for my RV (see Kyle's "DIY RV Offsite Backup and Media Server" from […]
Another Episode of "Seems Perfectly Feasible and Then Dies"--Script to Simplify the Process of Changing System Call Tables 7 augusti, 2019
by Zack Brown David Howells put in quite a bit of work on a script, ./scripts/syscall-manage.pl, to simplify the entire process of changing the system call tables. With this script, it was a simple matter to add, remove, rename or renumber any system call you liked. The script also would resolve git conflicts, in the […]
Experts Attempt to Explain DevOps--and Almost Succeed 7 augusti, 2019
by Bryan Lunduke What is DevOps? How does it relate to other ideas and methodologies within software development? Linux Journal Deputy Editor and longtime software developer, Bryan Lunduke isn't entirely sure, so he asks some experts to help him better understand the DevOps phenomenon. The word DevOps confuses me. I'm not even sure confuses me […]
DNA Geometry with cadnano 7 augusti, 2019
by Joey Bernard This article introduces a tool you can use to work on three-dimensional DNA origami. The package is called cadnano, and it's currently being developed at the Wyss Institute. With this package, you'll be able to construct and manipulate the three-dimensional representations of DNA structures, as well as generate publication-quality graphics of your […]
Running GNOME in a Container 7 augusti, 2019
by Adam Verslype Containerizing the GUI separates your work and play. Virtualization has always been a rich man's game, and more frugal enthusiasts—unable to afford fancy server-class components—often struggle to keep up. Linux provides free high-quality hypervisors, but when you start to throw real workloads at the host, its resources become saturated quickly. No amount […]

Listen to World War II radio recordings with a Raspberry Pi Zero 13 november, 2019
With the 75th anniversary of the D-Day landings very much in the news this year, Adam Clark found himself interested in all things relating to that era. So it wasn’t long before he found himself on the Internet Archive listening to some of the amazing recordings of radio broadcasts from that time. In this month’s HackSpace […]
Social Action Hackathon with the Scouts 12 november, 2019
When you think of the Scouts, do you think of a self-sufficient young person with heaps of creativity, leadership, initiative, and a strong team ethic? So do we! That’s why we’re so excited about our latest opportunity to bring digital making to young people with the world’s leading youth organisation. On 9 and 10 November, […]
Gender Balance in Computing programme opens to all schools in England 11 november, 2019
After launching our Gender Balance in Computing programme this April, we have been busy recruiting for two trials within a small group of schools around England. Today, we are opening general recruitment for the programme. This means that all primary and secondary schools in England can now take part in the upcoming trials in this […]
Real-life DOR-15 bowler hat from Disney’s Meet the Robinsons 8 november, 2019
Why wear a boring bowler hat when you can add technology to make one of Disney’s most evil pieces of apparel? Meet the Robinsons Meet the Robinsons is one of Disney’s most underrated movies. Thank you for coming to my TED talk. What’s not to love? Experimental, futuristic technology, a misunderstood villain, lessons of love […]
Code a Phoenix-style mothership battle | Wireframe #26 7 november, 2019
It was one of gaming’s first boss battles. Mark Vanstone shows you how to recreate the mothership from the 1980 arcade game, Phoenix. First released in 1980, Phoenix was something of an arcade pioneer. The game was the kind of post-Space Invaders fixed-screen shooter that was ubiquitous at the time: players moved their ship from […]
Securely tailor your TV viewing with BBC Box and Raspberry Pi 6 november, 2019
Thanks to BBC Box, you might be able to enjoy personalised services without giving up all your data. Sean McManus reports: One day, you could watch TV shows that are tailored to your interests, thanks to BBC Box. It pulls together personal data from different sources in a household device, and gives you control over […]
Secret Santa ideas for the Raspberry Pi fan in your office 5 november, 2019
Today’s blog post started as a deflated “What do I buy my Secret Santa person?” appeal from a friend last night. My answer is this, a nice and early Secret Santa idea guide for anyone stuck with someone for whom they have no idea what to buy. All the gifts listed below cost £10 or […]
Raspberry Pi snail habitats for Mrs Nation’s class 4 november, 2019
These Raspberry Pis take hourly photographs of snails in plastic container habitats, sharing them to the Snail Habitat website. Snails While some might find them kind of icky, I am in love with snails (less so with their homeless cousin, the slug), so this snail habitat project from Mrs Nation’s class is right up my […]
New book (with added computer): Get Started with Raspberry Pi 1 november, 2019
The Raspberry Pi Press is really excited to announce the release of Get Started with Raspberry Pi. This isn’t just a book about a computer: it’s a book with a computer. Ideal for beginners, this official guide and starter kit contains everything you need to get started with Raspberry Pi. Inside you’ll find a Raspberry […]
Build the ultimate 4K home theatre PC using a Raspberry Pi 4 and Kodi 31 oktober, 2019
We love Raspberry Pi for how it’s helping a new generation of children learn to code, how it’s resulted in an explosion of new makers of all ages, and how it’s really easy to turn any TV into a smart TV. While we always have a few Raspberry Pi computers at hand for making robots […]

How to Install and Configure Mantis Bug Tracker on Ubuntu 18.04 LTS 14 november, 2019
Mantis is a free and open-source bug tracking web-based application tool available for Windows, OS X, and Linux. In this tutorial, we will learn how to install MantisBT on Ubuntu 18.04 LTS.
How to Install MongoDB on CentOS 8 13 november, 2019
MongoDB is a free, open-source and document-oriented database engine that provides access to non-relational databases. In this tutorial, we will show you how to install and use MongoDB on CentOS 8 server.
How to install ONLYOFFICE Document Server 5.4 from snap package 13 november, 2019
In this tutorial, we’ll learn how to easily install ONLYOFFICE Document Server on multiple Linux distributions with snapd support using Snapcraft command line tool.
How to Install ExpressionEngine CMS with Nginx on FreeBSD 12 12 november, 2019
ExpressionEngine is a mature, flexible, secure, free open-source content management system (CMS) written in PHP. This guide will walk you through the ExpressionEngine installation process on a fresh FreeBSD 12 using PHP, MariaDB as a database, and Nginx as a web server.
How to Install Koel Music Streaming Server on Ubuntu 18.04 11 november, 2019
Koel is a web-based personal audio streaming app written in Vue.js on the client-side and Laravel on the server-side. This tutorial will cover how to install Koel on Ubuntu 18.04 based server.
How to Upgrade Centos 7 to 8 7 november, 2019
CentOS 8 has been released on Sep 23rd, 2019 ISO's are available on the official website. This tutorial I will show you how to upgrade from Centos 7 to Centos 8.
How to Install ExpressionEngine CMS on CentOS 8 6 november, 2019
ExpressionEngine is a mature, flexible, secure, free open-source content management system (CMS) written in PHP. This guide will walk you through the ExpressionEngine installation process on a fresh CentOS 8 using PHP, MariaDB as a database, and Nginx as a web server.
How to setup PostgreSQL Streaming Replication with Replication Slots on Debian 10 5 november, 2019
PostgreSQL is a powerful and feature-rich relational database management system (RDBMS). This tutorial shows you how to set up streaming replication with replication slots on two Debian 10 nodes.
How to Install Webmin on CentOS 8 4 november, 2019
Webmin is a free, open-source and web-based system configuration and management tool for Unix-like operating systems. In this tutorial, we will show you how to install Webmin using two different methods on CentOS 8.
How to manage Let's Encrypt SSL/TLS certificates with certbot 1 november, 2019
Certbot is a free and open-source utility mainly used for managing SSL/TLS certificates from the Let's Encrypt certificate authority. It is available for most UNIX and UNIX-like operating systems, including GNU/Linux, FreeBSD, OpenBSD and OS X.

How to Install Steam on Chromebook 14 november, 2019
With Linux app mode enabled, you can now play your favorite Steam games on Chromebook. Here is how you can easily install Steam on Chromebook.
Linux sysadmin basics: Start NIC at boot 14 november, 2019
If you've ever booted a Red Hat-based system and have no network connectivity, you'll appreciate this quick fix.
How to Enable Linux App Mode on Chromebook 14 november, 2019
Chromebook is more than just a browser. It allows you to run Android apps and Linux apps. Here is how you can enable Linux mode on Chromebook.
Download the new Python pip cheat sheet 14 november, 2019
The pip packaging tool is used to interact with third-party Python packages. Its most frequent use is for installing packages in a virtual environment. pip can use many sources to find packages, and it has many ways to specify which packages should be installed.read more
Linux Gaming News Punch - Episode 21 14 november, 2019
Prepare for a fistful of news, as the Linux Gaming News Punch - Episode 21 has arrived to go over some recent interesting topics to allow you to keep up with all the news.

5 Ways to Open or Launch an Application in Debian
In this article, we will explain 5 different methods for you to open an application from your Linux OS. The described methods include opening the application both through the GUI and the Terminal.
How to Install Steam on Chromebook
With Linux app mode enabled, you can now play your favorite Steam games on Chromebook. Here is how you can easily install Steam on Chromebook.
Linux sysadmin basics: Start NIC at boot
If you've ever booted a Red Hat-based system and have no network connectivity, you'll appreciate this quick fix.
How to Enable Linux App Mode on Chromebook
Chromebook is more than just a browser. It allows you to run Android apps and Linux apps. Here is how you can enable Linux mode on Chromebook.
Download the new Python pip cheat sheet
The pip packaging tool is used to interact with third-party Python packages. Its most frequent use is for installing packages in a virtual environment. pip can use many sources to find packages, and it has many ways to specify which packages should be installed.read more
Linux Gaming News Punch - Episode 21
Prepare for a fistful of news, as the Linux Gaming News Punch - Episode 21 has arrived to go over some recent interesting topics to allow you to keep up with all the news.
VLANs for sysadmins: The basics
Feeling a little shaky on your VLAN knowledge? This article gives you the fundamentals.
How To Find Linux System Details Using Python
Find Linux system information such as OS version, distribution name, machine architecture, Kernel, OS code name, Python version etc.
Mirantis acquires Docker Enterprise
The troubled Docker company has sold its Docker Enterprise product line and business to cloud-power Mirantis.
Canonical Donates More Ubuntu Phones to UBports and You Can Get One Right Now
Canonical has donated more Ubuntu Phone devices to the UBports Foundation for further development of the Ubuntu Touch mobile operating system, which they deprecated a few years ago.
Automation controller switches to Real-time Linux
WAGO has converted to Linux for its second-gen “PFC200” controller. The 1GHz Cortex-A8 device, which has an e!COCKPIT CODESYS V3 runtime in addition to Real-time Linux, offers dual 10/100 Ethernet, a serial port, and connections to the modular WAGO-I/O-System fieldbus modules. WAGO has switched over to Linux for the second-gen version of its PFC200 Controller […]
How to Install Anaconda on Debian 10
Anaconda is the most popular Python/R data science and machine learning platform. In this tutorial we will walk you through downloading and installing Anaconda Python Distribution on Debian 10.
We could still have a
NextCloud founder Frank Karlitschek challenges Linux developers to start working together to make life easier for would-be Linux application developers. If it does, he thinks Linux can be a significant desktop player.
CodeWeavers are after a Graphics Developer for Steam Play Proton and Wine
CodeWeavers, the company that helps to support development of Wine and are currently partnered up with Valve to help with Steam Play/Proton have a new Graphics Developer position open.
Compact Kaby Lake signage player has dual 4K HDMI ports
Arbor’s rugged, Linux-friendly “IEC-3900” signage player has a 7th Gen U-Series Core CPU, dual independent 4K HDMI ports, 4x USB 3.0 ports, M.2 SATA storage, and a 130 x 124 x 35mm footprint.
Linux vs. Zombieland v2: The security battle continues
Here's the bad news: We're going to keep seeing fundamental Intel CPU security holes popping open until every last one of the current generations of these chips is in landfills. Zombieland v2 is only the latest of a line of problems, which go back to Meltdown and Spectre. The "good" news is for now Intel […]
How to Activate Night Light on a Debian GNOME Desktop
In this article, we will explain how you can activate the night light feature using both the Debian GUI and its command line(Terminal). We have run the commands and procedures mentioned in this article on a Debian 10 Buster system.
Java Applications Go Cloud-Native with Project Quarkus
Getting Java applications to run well in a cloud-native environment hasn't always been easy, but that could soon change thanks to the open-source Quarkus framework.
Latest Banana Pi showcases a new quad -A7 SoC with FPGA extensions
The Banana Pi project and SunPlus have unveiled a “Banana Pi BPI-F2S” SBC with 40-pin RPi GPIO and an optional Artix-7 FPGA module. The SBC runs Linux on a new quad -A7 “SP7021” SoC from SunPlus and Tibbo with Arm9 and 8051 co-processors. The Banana Pi project has teamed with Taiwanese automotive infotainment manufacturer SunPlus […]
How to Find DNS (Domain Name Server) Records On Linux Using the Host Command
2DayGeek: The host command allows you to check various DNS records for a domain from the Linux terminal.

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