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/

Recreate Galaxian’s iconic attack patterns | Wireframe #50 7 maj, 2021
Blast dive-bombing aliens in our salute to Namco’s classic. Mark Vanstone has the code Hot on the heels of the original Space Invaders, Galaxian emerged as a rival space shooter in 1979. Released by Namco, Galaxian brought new colour and unpredictable motion to the alien enemy, who would swoop down on the defending player. Galaxian… […]
Custom PC for free! Reviews, guides, retro tech… 6 maj, 2021
Fancy some extra PC hardware, overclocking, gaming and modding content in your life this summer? You can get your hands on a FREE PDF download of each new Custom PC magazine issue released during May through to September. You’ll find stuff like in-depth hardware reviews and step-by-step photo guides, as well as hard-hitting tech opinion,… […]
Stop snoring with Raspberry Pi 5 maj, 2021
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Five takes on Raspberry Pi 400 4 maj, 2021
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Meet Estefannie Explains it All 30 april, 2021
Recently listed as one of Instagram’s Top 7 Women in STEM, software engineer and content creator Estefannie talks to Alex Bate about electronics, her online community, and why she can’t stop giving away free tech in her Instagram Live streams. Based in Texas, Mexican-born Estefannie graduated summa cum laude from the University of Houston with… […]
Star Wars Arcade Cabinet | The MagPi #105 29 april, 2021
Why pay over the odds when you can build an accurate replica, and have fun doing it? For the latest issue of The MagPi Magazine, Rob Zwetsloot switches off his targeting computer to have a look. Getting the arcade machine of your dreams gets a little harder every day, especially the older they are. Making… […]
Meet SeedGerm: a Raspberry Pi-based platform for automated seed imaging 28 april, 2021
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How to add LoRaWAN to Raspberry Pi Pico 27 april, 2021
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How can we design inclusive and accessible curricula for computer science? 26 april, 2021
After a brief hiatus over the Easter period, we are excited to be back with our series of online research seminars focused on diversity and inclusion, where in partnership with the Royal Academy of Engineering, we host researchers from the UK and USA. By diversity, we mean any dimension that can be used to differentiate… […]
Colin Furze is among our special Coolest Projects judges 23 april, 2021
Young tech creators from more than 40 countries have already registered to take part in this year’s Coolest Projects online showcase! To help us celebrate this year’s wonderful group of participants, we’re lucky to have brought on board Colin Furze, Melissa Pickering, James Whelton, and Fig O’Reilly as special judges. “Since the first Coolest Projects… […]

How to deploy Ghost Blog with Nginx on Ubuntu 20.04 29 april, 2021
Ghost is a free, open-source and lightweight blogging platform built on Node.js. This tutorial will explain how to install the Ghost with Nginx and Let's Encrypt SSL on Ubuntu 20.04.
How to Install Pleroma Social Network Platform on Ubuntu 20.04 28 april, 2021
Pleroma is an open-source federated social networking platform, compatible with Mastodon and other ActivityPub platforms. This guide will show you how to create your own Pleroma instance by installing it on an Ubuntu 20.04 based server.
What is Cert-Manager and how to setup Cert-Manager for SSL certificates in Kubernetes Cluster on AWS using Helm 28 april, 2021
Cert-Manager is a controller used for certificate management. In this article, we will set up a Cert-Manager with Let's Encrypt issuer. We will secure our sample application using the TLS certificates and have HTTPS in our Hostname to access the application using Ingress.
How to Install Apache Tomcat 9 with Nginx Proxy on Debian 10 27 april, 2021
Tomcat is a free, open-source and lightweight application server used to deploy Java-based applications. In this tutorial, I will show you how to install Tomcat 9 with Nginx on Debian 10.
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ngxtop is a free, open-source, flexible and real-time monitoring tool for Nginx web servers. In this tutorial, I will show you how to install and use ngxtop monitoring tool on Ubuntu 20.04.
How to Install XAMPP on Ubuntu 20.04 26 april, 2021
XAMPP is a cross-platform development environment consisting of Apache, MariaDB, PHP, and Perl. In this guide, we will see how to install XAMPP on Ubuntu 20.04 LTS.
How to Install Ampache Music Streaming Server on Fedora 33 23 april, 2021
Ampache is an open-source web-based personal audio streaming application written in PHP. This tutorial will cover how to install the Ampache application on a Fedora 33 based server and how to upload music to it for streaming.
How to add and remove Cronjobs from Linux EC2 instances on AWS using shell scripts 22 april, 2021
Manual operations lead to human errors. Adding and removing Cronjobs frequently can be a very time-consuming task. In this article, we will create Shell scripts that automate the addition and deletion of Cronjobs from Ubuntu EC2 instances on AWS.
How to Install SQLite and SQLite Browser on Ubuntu 20.04 21 april, 2021
Sqlite is a lightweight but feature-rich database management system that is widely used in embedded systems like mobile devices. In this guide, we will see how to install SQLite and SQLite Browser on an Ubuntu 20.04 system.
How to create Cloudwatch alarms for a Lambda Function on AWS 21 april, 2021
There are various invocation metrics, performance metrics, and concurrency metrics available for Lambda functions in Cloudwatch to monitor.In this article, we will create an alarm for the "Invocations" metric which will send a notification to the SNS topic when it is triggered.

Ubuntu 18.04 Flavors Reach End of Life, Upgrade to 20.04 LTS 7 maj, 2021
From this moment on, there will be no further point releases published for the Bionic Beaver series.
Nitrux 1.4 Is One of the First Distros to Support Linux Kernel 5.12 7 maj, 2021
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How to Use Multisite WordPress Cluster Auto Installation 7 maj, 2021
Multisite WordPress installation allows you to create and manage multiple WordPress websites from a single dashboard.
Nextcloud and OpenProject Join Forces, Announce Integration Features 7 maj, 2021
The integration between Nextcloud and OpenProject will offers enterprises a data sovereignty and increase in productivity.
syncthing: Keep Files and Directories Synchronized across Different Devices 7 maj, 2021
syncthing's TLS encryption secures this free and open source software. Here's how to get it up and running.

6 examples of open source best practices in knowledge-sharing projects 7 maj, 2021
As someone who has watched my fair share of projects and initiatives come and go, I value the follow-on effects of good knowledge sharing. Even knowledge from bygone projects is available to learn from the past; such is the benefit and the curse of an internet that never forgets—all the practices good, no-longer-good, and never-were-good […]
Ansible emphasizes inclusive language in new release 7 maj, 2021
During this development cycle, the Ansible project has made significant progress in its goals to make the community and code more welcoming and inclusive. With the release of Ansible Core 2.11, harmful terminology in the Ansible codebase is deprecated and it comes with new replacement terms. These changes will follow our standard deprecation cycle to […]
How to Install Gitea on Ubuntu 20.04 7 maj, 2021
Gitea is a fast and easy-to-use self-hosted git server written in Go. It includes a repository file editor, project issue tracking, user management, notifications, built-in wiki, and much more. This article explains how to install and configure Gitea on Ubuntu 20.04.
Contribute to Fedora Kernel 5.12 Test Week 7 maj, 2021
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Install phpVirtualBox to Manage and Access Virtualbox VM’s 7 maj, 2021
In previous articles, we have seen how to work with VirtualBox core features that come with the VirtualBox package. We have seen how to create Guest Virtual Machines, Different Networking options, how to protect your VM with snapshots, and how to clone VM, import, and export your virtual machines. This is going to be the […]

6 examples of open source best practices in knowledge-sharing projects
As someone who has watched my fair share of projects and initiatives come and go, I value the follow-on effects of good knowledge sharing. Even knowledge from bygone projects is available to learn from the past; such is the benefit and the curse of an internet that never forgets—all the practices good, no-longer-good, and never-were-good […]
Ansible emphasizes inclusive language in new release
During this development cycle, the Ansible project has made significant progress in its goals to make the community and code more welcoming and inclusive. With the release of Ansible Core 2.11, harmful terminology in the Ansible codebase is deprecated and it comes with new replacement terms. These changes will follow our standard deprecation cycle to […]
How to Install Gitea on Ubuntu 20.04
Gitea is a fast and easy-to-use self-hosted git server written in Go. It includes a repository file editor, project issue tracking, user management, notifications, built-in wiki, and much more. This article explains how to install and configure Gitea on Ubuntu 20.04.
Contribute to Fedora Kernel 5.12 Test Week
The kernel team is working on final integration for kernel 5.12. This version was recently released and will arrive soon in Fedora. As a result, the Fedora kernel and QA teams have organized a test week from Sunday, May 09, 2021 through Sunday, May 16, 2021. Refer to the wiki page for links to the […]
Install phpVirtualBox to Manage and Access Virtualbox VM’s
In previous articles, we have seen how to work with VirtualBox core features that come with the VirtualBox package. We have seen how to create Guest Virtual Machines, Different Networking options, how to protect your VM with snapshots, and how to clone VM, import, and export your virtual machines. This is going to be the […]
How To Optimize Laptop Battery Life With TLP In Linux
TLP is a commandline tool to optimize Laptop battery life in Linux. TLP's default settings are well optimized for saving Linux laptop battery power.
How to Install and Setup Apache Spark on Ubuntu/Debian
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Static and dynamic IP address configurations: DHCP deployment
Configure a DHCP server and scope to provide dynamic IP address configurations to your network subnet.
How to Clone Virtual Machine in VirtualBox
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The bash Linux shell provides many customization options for the prompt that you can use not only to incorporate various features in the prompt but also to differentiate them through different colors. This tutorial shows you how to customize bash prompt.
The quest for faster Python: Pyston returns to open source, Facebook releases Cinder, or should devs just use PyPy?
Official CPython is slow, but there are many ways to get better performanceFacebook has released Cinder, used internally in Instagram to improve Python performance, while another faster Python, called Pyston, has released version 2.2 and made the project open source (again).…
Open Mainframe Project Launches Call for Proposals for the 2nd Annual Open Mainframe Summit on September 22-23
Registration for the Virtual Event is now Open SAN FRANCISCO, May 5, 2021 – The Open Mainframe Project (OMP), an open source initiative that enables collaboration across the mainframe community to develop shared tool sets and resources, today announced plans for its 2nd annual Open Mainframe Summit, the premier mainframe event of 2021.
Martian rover has some Linux computers, too
NASA’s Perseverance rover is equipped with a Linux-driven, Atom-based CompuLab COMEX-IE38 module designed to compress images. The rover also has a Qualcomm 801 Linux system like its Ingenuity copter, which is embarking on a new scouting mission. As LinuxGizmos and many other sites reported in February, NASA’s semi-autonomous Ingenuity drone copter is equipped with an […]
Ubuntu Touch OTA-17 Arrives May 12 with NFC Support, Available for Testing Now
The UBports Foundation announced a call for testing for their upcoming Ubuntu Touch OTA-17 software update for supported Ubuntu phones, which is slated for release on May 12th, 2021.
How to configure and manage firewalld rules in Linux
The firewall is essential for controlling the flow of network traffic in and out of the Linux server. It enables users to control incoming network traffic on host machines by defining a set of firewall rules. It must be enabled on production servers facing the Internet, to protect those servers from unauthorized access. This is […]
How to Kill Linux Processes/Unresponsive Applications Using ‘xkill’ Command
The kill command sends a signal to a process, whose PID is passed along with the command. Alternatively, we can use pkill command, which kills a process based upon name and other attributes of a process. To kill a process say whose name is terminal, we need to execute
LFCA: Learn Cloud Costs and Budgeting – Part 16
Over the years, there has been an exponential adoption of Cloud services as organizations seek to tap into the numerous benefits offered by the Cloud to streamline their businesses. Most businesses have either integrated their on-premise infrastructure with the Cloud or shifted their core services to the cloud altogether.
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Resolve DHCPD and HTTPD startup failures with Ansible
Last year, I had a problem: HTTPD (the Apache web server) would not start on a reboot or cold boot. To fix it, I added an override file, /etc/systemd/system/httpd.service.d/override.conf. It contained the following statements to delay HTTPD[he]#039[/he]s startup until the network is properly started and online. (If you[he]#039[/he]ve read my previous articles, you[he]#039[/he]ll know that […]