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/

Universal design for learning in computing | Hello World #15 24 februari, 2021
In our brand-new issue of Hello World magazine, Hayley Leonard from our team gives a primer on how computing educators can apply the Universal Design for Learning framework in their lessons. Universal Design for Learning (UDL) is a framework for considering how tools and resources can be used to reduce barriers and support all learners.… […]
How to get started with FUZIX on Raspberry Pi Pico 23 februari, 2021
FUZIX is an old-school Unix clone that was initially written for the 8-bit Zilog Z80 processor and released by Alan Cox in 2014. At one time one of the most active Linux developers, Cox stepped back from kernel development in 2013. While the initial announcement has been lost in the mists because he made it… […]
Closing the digital divide with Raspberry Pi computers 22 februari, 2021
One of the harsh lessons we learned last year was that far too many young people still don’t have a computer for learning at home. There has always been a digital divide; the pandemic has just put it centre-stage. The good news is that the cost of solving this problem is now trivial compared to… […]
Raspberry Pi makes LEGO minifigures play their own music 19 februari, 2021
We shared Dennis Mellican’s overly effective anti-burglary project last month. Now he’s back with something a whole lot more musical and mini. Inspiration Dennis was inspired by other jukebox projects that use Raspberry Pi, NFC readers, and tags to make music play. Particularly this one by Mark Hank, which we shared on the blog last… […]
NeoPixel fireflies jar with Raspberry Pi | HackSpace 40 18 februari, 2021
This twinkly tutorial is fresh from the latest issue of HackSpace magazine, out now. Adding flashing lights to a project is a great way to make it a little more visually appealing, and WS2812B LEDs (sometimes known as NeoPixels) are a great way to do that. They have their own mini communications protocol, so you… […]
Coding on Raspberry Pi remotely with Visual Studio Code 17 februari, 2021
Jim Bennett from Microsoft, who showed you all how to get Visual Studio Code up and running on Raspberry Pi last week, is back to explain how to use VS Code for remote development on a headless Raspberry Pi. Like a lot of Raspberry Pi users, I like to run my Raspberry Pi as a… […]
Raspberry Pi 1 Model B units brought back to life for charity 16 februari, 2021
When we heard that James Dawson had rescued a load of well-worn Raspberry Pi 1 Model B and Model A computers from eBay, refurbished them, and sold them on, we felt warm and fuzzy knowing that some of our oldest devices would be finding new homes. But the feels really hit when we learned that… […]
Check beer stock with Keg Punk on Raspberry Pi 15 februari, 2021
Do you remember the Danger Shed? New Orleans-based Raspberry Pi-powered home brewing monitoring set up in a… shed? Well, Patrick Murphy and his brewing crew are back with a new toy. What is it? It’s called Keg Punk – inventory software written in Python, specifically for running on Raspberry Pi and the 7″ Raspberry Pi… […]
Visual Studio Code comes to Raspberry Pi 12 februari, 2021
Microsoft’s Visual Studio Code is an excellent C development environment, and now it’s an easy install on Raspberry Pi. Here’s Jim Bennett from Microsoft to show you all how to get VS Code up and running on our tiny computer. Take it away, Jim… There are a few products in the tech sphere that get… […]
Machine learning and depth estimation using Raspberry Pi 11 februari, 2021
One of our engineers, David Plowman, describes machine learning and shares news of a Raspberry Pi depth estimation challenge run by ETH Zürich (Swiss Federal Institute of Technology). Spoiler alert – it’s all happening virtually, so you can definitely make the trip and attend, or maybe even enter yourself. What is Machine Learning? Machine Learning… […]

How to configure Route53 with our DomainName to access a static website from S3 on AWS 24 februari, 2021
This article will help you with the steps to host a static website on S3 and redirect traffic from your subdomain to the static website on the S3 bucket.
How to Install Shopware 6 with NGINX and Let's Encrypt on CentOS 8 23 februari, 2021
Shopware is a free and open-source platform that helps you to start your own e-commerce website to power your online business. In this tutorial, we will show you how to install Shopware with Nginx and Let's Encrypt SSL on CentOS 8.
How to Install and Use Snap Package Manager on Ubuntu 20.04 22 februari, 2021
Snap also know as Snappy is an alternative package management tool and program package format developed by Canonical, the company behind Ubuntu Linux. In this tutorial, we will show you how to install and use the Snap package on Ubuntu 20.04.
How to create and modify a Parameter Group for an RDS instance on AWS 22 februari, 2021
A Parameter Group contains configuration to be used by the DB instances on AWS. In this article, we will see the steps to create a new Parameter group, change the default value of one of the parameters and assign it to the MySql DB instances.
How to Install GoAccess Web Log Analyzer on Ubuntu 20.04 19 februari, 2021
GoAccess is a free and open-source weblog analyzer tool used for the analysis of logs in real-time. You can analyze logs through a web browser or terminal. In this tutorial, we will show you how to install and use GoAccess on Ubuntu 20.04.
How to create an SFTP-enabled Server on AWS 17 februari, 2021
AWS Transfer Family supports Secure File Transfer Protocol (SFTP), File Transfer Protocol over SSL (FTPS), and File Transfer Protocol (FTP) to transfer files to and from AWS S3 or AWS EFS(Elastic File System). In this article, we will see the steps to create an SFTP-enabled server on AWS which will be accessible publicly.
How to Install Friendica Social Network Platform on Ubuntu 20.04 17 februari, 2021
Friendica is a free, open-source and decentralized social networking platform that helps you to build and maintain your own social networking projects. In this tutorial, we will show you how to install Friendica with Apache and Let's Encrypt SSL on Ubuntu 20.04.
How to Set up RabbitMQ Cluster on Ubuntu 20.04 15 februari, 2021
RabbitMQ is a free, open-source, and multi-protocol messaging broker software written in the Erlang programming language. A message broker is used to store messages for an application. In this tutorial, we will be going to set up a three-node RabbitMQ Cluster on Ubuntu 20.04 server.
How to Install PostGIS PostgreSQL database extender on CentOS 8 12 februari, 2021
PostGIS is a free and open-source database extender for the PostgreSQL Database Management System. It helps you to add some extra functions such as, area, union, intersection, distance, data types, and allow location queries to be run in SQL.
How to Install Kanboard Project Management Software on CentOS 8 11 februari, 2021
Kanboard is an open-source project management software that helps you to manage your projects and visualize your workflow. It uses Kanban methodology and is specially designed for small teams that focus on minimalism and simplicity.

Firefox 86 Released with AVIF and Multiple Picture-in-Picture Support by Default 24 februari, 2021
The powerful, royalty-free and open-source image file format is designed to encode AV1 bitstreams in the HEIF (High Efficiency Image File Format) container.
Netrunner 21.0 Released Based on Debian Stable 10.7 With Modern Hardware Support and Updated Packages 24 februari, 2021
The operating system uses the KDE Plasma desktop environment by default along with a few other KDE components. Netrunner 21.0 Released Based on Debian Stable 10.7 With Modern Hardware Support and Updated Packages
Tetrate Says Its Istio Distribution Is Easier to Use Than the Upstream Version 23 februari, 2021
Online community has been launched for enthusiasts to surface problems and brainstorm solutions Tetrate Says Its Istio Distribution Is Easier to Use Than the Upstream Version
Fix Nginx Error: 413 Request Entity Too Large 23 februari, 2021
Here's what to do for this common error.
The Resilient Sysadmin: 5 Tips for Success in a Remote Work Environment 23 februari, 2021
As businesses everywhere re-evaluate what "going to work" will look like on the other side of the pandemic, flexibility is becoming a key soft skill for sysadmins.

Here’s How Multi-Monitor Support Will Work on GNOME 40 24 februari, 2021
To answer some concerns from the Linux community, GNOME Project’s Allan Day showcased today how multi-monitor will work on the upcoming GNOME 40 desktop environment.
How to Set Up and Use SSH in Linux 24 februari, 2021
SSH is an encrypted networking tool designed to allow users to log in securely to remote computers. Learn how to set up and use SSH in Linux.
Python Lambda 24 februari, 2021
Python lambdas are powerful functions to perform many complex tasks in short and quick way. Check out this post to learn about Python Lambdas.
How to use a key-value dictionary in bash 24 februari, 2021
In any programming language, a dictionary is one of the most fundamental data structures that can store a set of objects in the form of key-value pairs. While bash is not a general-purpose programming language, a recent version of bash (starting from version 4) has started to support dictionaries or associative arrays natively. This tutorial […]
Tails 4.16 Anonymous OS Released with Linux Kernel 5.10 LTS, Latest Tor Technologies 24 februari, 2021
Tails, the amnesic incognito live system, has been updated today to version 4.16 as part of monthly releases that bring you a fresh live media with all the latest GNU/Linux and Tor technologies for anonymous communication.

Here’s How Multi-Monitor Support Will Work on GNOME 40
To answer some concerns from the Linux community, GNOME Project’s Allan Day showcased today how multi-monitor will work on the upcoming GNOME 40 desktop environment.
How to Set Up and Use SSH in Linux
SSH is an encrypted networking tool designed to allow users to log in securely to remote computers. Learn how to set up and use SSH in Linux.
Python Lambda
Python lambdas are powerful functions to perform many complex tasks in short and quick way. Check out this post to learn about Python Lambdas.
How to use a key-value dictionary in bash
In any programming language, a dictionary is one of the most fundamental data structures that can store a set of objects in the form of key-value pairs. While bash is not a general-purpose programming language, a recent version of bash (starting from version 4) has started to support dictionaries or associative arrays natively. This tutorial […]
Tails 4.16 Anonymous OS Released with Linux Kernel 5.10 LTS, Latest Tor Technologies
Tails, the amnesic incognito live system, has been updated today to version 4.16 as part of monthly releases that bring you a fresh live media with all the latest GNU/Linux and Tor technologies for anonymous communication.
Elkhart Lake arrives on thin Mini-ITX
Advantech’s Linux-friendly “AIMB-218” thin Mini-ITX board ships with Elkhart Lake SoCs including a new 2GHz/3GHz Pentium J6426 plus 32GB DDR4, 2x GbE, 3x USB 3.2 Gen2, DP and HDMI, 2x M.2, SATA, and PCIe x1 Gen3. Advantech announced the AIMB-218, the first thin Mini-ITX board we have seen equipped with Intel’s next-gen Atom platform, Elkhart […]
A guide to Python virtual environments with virtualenvwrapper
For some time, Python has included support for managing virtual environments. Python 3.3 even added the built-in venv module for creating environments without third-party libraries. Python programmers use several different tools to manage their environments, and the one I use is called virtualenvwrapper.
KDE Plasma 5.21’s First Point Release Improves Support for Nvidia Optimus Laptops
The KDE Project announced today the first point release to the latest KDE Plasma 5.21 desktop environment series, addressing various bugs and crashes, and improving some things here and there.
How To Install Fildem Global Menu And HUD For GNOME Shell On Debian / Ubuntu, Fedora Or Arch Linux / Manjaro
This article explains how to install Fildem GNOME Shell global menu and HUD on Debian / Ubuntu, Fedora and Arch Linux / Manjaro.
What makes the Linux community special?
In 2021, there are more reasons why people love Linux than ever before. In this series, I[he]#039[/he]ll share 21 different reasons to use Linux. The community is a cornerstone reason to use Linux. Many a Linux user has said that the key feature of Linux is its community. That might seem strange to a new […]
How to Install Shopware 6 with NGINX and Let's Encrypt on CentOS 8
Shopware is a free and open-source platform that helps you to start your own e-commerce website to power your online business. In this tutorial, we will show you how to install Shopware with Nginx and Let's Encrypt SSL on CentOS 8.
How To Install The Default GNOME Shell Theme (Adwaita) On Ubuntu 20.04, 20.10 and 21.04
This article explains how to install the default GNOME Shell theme, Adwaita, on Ubuntu 20.04, 20.10 and 21.04 (hint: it's trickier than you would think).
Latest Firefox release includes Multiple Picture-in-Picture and Total Cookie Protection
Beginning last year, the internet began playing a bigger role in our lives than ever before. In the US, we went from only three percent of workers to more than …
Tetrate Says Its Istio Distribution Is Easier to Use Than the Upstream Version
The startup, one of Istio's top contributors, has also launched an online community for Istio and Envoy enthusiasts to surface problems, brainstorm solutions.
Firefox 87 Enters Beta with the Backspace Key Disabled as a “Back” Button
Now that Firefox 86 is out, it’s time for Mozilla’s developers to focus their efforts on the next major release, Firefox 87, which is now available for public beta testing.
How to Install and Use Ansible on Debian 10
This article shows how to install Ansible on a Debian 10 system and how you can use it to manage systems remotely over a secure SSH connection.
Nvidia Linux drivers causing random hard crashes and now a major security risk still not fixed after 5+ months
The recent fiasco with Nvidia trying to block Hardware Unboxed from future GPU review samples for the content of their review is one example of how they choose to play this game. This hatred is not only shared by reviewers, but also developers and especially Linux users.
Four kinds of data anomalies
Datasets sometimes contain perfectly well-formed items that really don't belong with the other items in their field. These anomalous items are typically out of range, out of place, out of match or out of date, as illustrated below, but they can be detected with command-line tools.
Ardour 6.6 Open-Source DAW Makes Editing Automation Much Faster and Simpler
Ardour, the open-source and cross-platform digital audio workstation (DAW), has been updated to version 6.6, a release that introduces various new features and improvements.
Allwinner H3-based Cherry Pi PC rolls as Orange Pi PC lookalike
Shenzhen LC Technology’s Cherry Pi PC is a pseudo clone of the Raspberry Pi clone SBC Orange Pi PC. It runs Linux on Allwinner’s quad-core H3 SoC, and has 1GB DDR3, 2x USB 2.0, MIPI-CSI, 40-pin Pi-compatible connector and optional WiFi and 8GB eMMC. In 2015, Shenzhen Xunlong introduced its Orange Pi PC, an open-spec […]

Dell 2,4TB 10K 2.5 SAS 12G harddrive
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Dell 16TB 7.2K SATA harddrive
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TP-Link AX5400 Dual-Band Wi-Fi 6 Router
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Delock EASY-USB 2.0 Cable Type-A male to EASY-USB Type Micro-B male an
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STAR MCP21LB BK E+U Thermal mC-Print2 2in /58mm CLOUD, LAN, USB, Bluet
Star Micronics mC-Print2 Kvittoskrivare, 58 mm LAN, USB, Bluetooth, iOS USB med SteadyLAN, CloudPRNT, 2x-USB värdportar, svart De superkompakta skrivarna med frontmatning erbjuder högkvalitativ utskrift och exceptionell funktionalitet med upp till 5 gränssnitt inklusive Star CloudPRNT samt navfunktionalitet, som styr utvalda USB-kringutrustning anslutna till skrivaren inklusive kassalåda, skanner och kunddisplay. MC-Print2 är en kompakt, högkvalitativ […]
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TP-Link AX3000 Whole Home Mesh Wi-Fi 6 Unit
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