Datorservice Bromma

Byte av Hårddisk
Reparation av skärm
Trasig Dator
Installation av Linux
Långsam dator

Datorservice Bromma

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 […]

Code the Classics on sale now 13 december, 2019
TL;DR: we made a fully automated luxury gay space communist type-in-listing book. Buy it now and get it in time for Christmas. Back in the dawn of time, in the late 1980s, I grew up on a diet of type-in computer game listings. From the BBC Micro User Guide, to The Micro User magazine, to […]
Really, really awesome Raspberry Pi NeoPixel LED mirror 12 december, 2019
Check out Super Make Something’s awesome NeoPixel LED mirror: a 576 RGB LED display that converts images via the Raspberry Pi Camera Module and Raspberry Pi 3B+ into a pixelated light show. Neopixel LED Mirror (Python, Raspberry Pi, Arduino, 3D Printing, Laser Cutting!) DIY How To Time to pull out all the stops for the […]
IoT ugly Christmas sweaters 11 december, 2019
If there’s one thing we Brits love, it’s an ugly Christmas sweater. Jim Bennett, a Senior Cloud Advocate at Microsoft, has taken his ugly sweater game to the next level by adding IoT-controlled, Twitter-connected LEDs thanks to a Raspberry Pi Zero. IoT is Fun for Everyone! (Ugly Sweater Edition) An Ugly Sweater is great-but what’s […]
Create a turn-based combat system | Wireframe #28 10 december, 2019
Learn how to create the turn-based combat system found in games like Pokémon, Final Fantasy, and Undertale. Raspberry Pi’s Rik Cross shows you how. In the late 1970s, high school student Richard Garriott made a little game called Akalabeth. Programmed in Applesoft BASIC, it helped set the template for the role-playing genre on computers. Even […]
Celebrate the Raspberry Pi’s 8th birthday at a Raspberry Jam 9 december, 2019
On 29 February 2020, the Raspberry Pi Foundation will celebrate the eighth birthday of the Raspberry Pi computer (or its second birthday, depending on how strict you are about counting leap years). Like any parent, we feel like time has flown by, and it’s remarkable to think how far we’ve come in such a short […]
Raspberry Pi Christmas Shopping Guide 2019 6 december, 2019
Stuck for what to buy your friends and family this Christmas? Whether you’re looking to introduce someone to Raspberry Pi and coding, or trying to find the perfect gift for the tech-mad hobbyist in your life, our Christmas Shopping Guide 2019 will help you complete your shopping list. So, let’s get started… The good ol’ […]
More new books from The MagPi and HackSpace magazines 5 december, 2019
If our recent release of Retro Gaming with Raspberry Pi, Getting Started with Arduino, and Coding the Classics isn’t enough for you, today sees the release of TWO MORE publications from Raspberry Pi Press! The Official Raspberry Pi Projects Book Volume 5 If you’re looking for Raspberry Pi inspiration, volume 5 of the ever popular […]
The Nest Box: DIY Springwatch with Raspberry Pi 4 december, 2019
Last week, lots and lots of you shared your Raspberry Pi builds with us on social media using the hashtag #IUseMyRaspberryPiFor. Jay Wainwright from Liverpool noticed the conversation and got in touch to tell us about The Nest Box, which uses Raspberry Pi to bring impressively high-quality images and video from British bird boxes to […]
Support the Raspberry Pi Foundation this #GivingTuesday 3 december, 2019
Today is Giving Tuesday. Giving Tuesday takes place on the day following the well-known shopping days of Black Friday and Cyber Monday, as a celebration of the generosity of the human spirit. It’s your chance to give something back, or to pay it forward, whichever feels right to you. Giving makes you happy There is […]
Pre-order Code the Classics today! 2 december, 2019
Today, we are proud to announce Code the Classics, the latest (and long-awaited) publication from Raspberry Pi Press. Pre-order Code the Classics today Subscribe to our YouTube channel: http://rpf.io/ytsub Help us reach a wider audience by translating our video content: http://rpf.io/yttranslate Buy a Raspberry Pi from one of our Approved Resellers: http://rpf.io/ytproducts Find out more […]

How to Install OpenVPN Server and Client with Easy-RSA 3 on CentOS 8 13 december, 2019
OpenVPN is an open-source application that allows you to create a secure private network over the public internet. In this tutorial, we will show you how to step-by-step install and configure OpenVPN on CentOS 8. And we will implement the certificate-based OpenVPN authentication.
How to Setup Textpattern CMS on CentOS 8 12 december, 2019
Textpattern is a free and open-source PHP content management system. It is rather lightweight, fast, and easy to use while providing decent customizability through themes and plugins. In this guide, we will install Textpattern on a fresh CentOS 8 system.
How to Install ElkArte Forum with Apache and Let's Encrypt on Debian 10 11 december, 2019
ElkArte is a free, open-source and powerful forum software that allows you to create your own online forum community. In this tutorial, we will explain how to install ElkArte on Debian 10 server.
How to install Mastodon Social Network with Docker on Ubuntu 18.04 LTS 10 december, 2019
Mastodon is a free, decentralized and open-source social network. It was created as an alternative to Twitter. This tutorial will teach you how to set up your instance of Mastodon on a server with Ubuntu 18.04 using Docker.
How to Install Feng Office on Debian 10 10 december, 2019
Feng Office is a web-based project management and collaboration tool written in PHP. In this tutorial, we will explain, how to install Feng Office Community Edition on Debian 10.
How to Setup Rsyslog Server on Ubuntu 18.04 LTS 9 december, 2019
In this tutorial, we will explain how to configure Rsyslog server on Ubuntu 18.04 server. Rsyslog is a powerful and secure system for log processing, the Rsyslog server receives logs over the network from several physical or virtualized servers and monitors the health of different services.
How to Install Prometheus Monitoring and node_exporter on CentOS 8 6 december, 2019
Prometheus is an open source monitoring system that allows you to collect metrics from any configured target system. Prometheus implements a multi-dimensional data-model with powerful queries, great visualization, precise alerting, and comes with many integrations.
How to Install Apache Maven on Debian 10 4 december, 2019
Apache Maven is a build automation and software project management tool, mainly used for Java projects. In this tutorial, we will be installing Apache Maven on a Debian 10 system and testing it with a simple java application.
How to create an alarm for an EC2 instance with Cloudwatch 3 december, 2019
Cloudwatch is a monitoring and management service which can be used to monitor services on AWS and manage them when a particular condition meets. Cloudwatch can be used to collect performance and operational data (CPU, RAM, Network_IN, Network_Out, etc) of the services available on AWS .
How to Configure Automatic Package Updates on CentOS 8 3 december, 2019
In this tutorial, we will show you how to set up automatic update packages on CentOS 8. This ensures that the system automatically downloads packages and performs updates without manual intervention.

Decluttering process management with ps or systemd. 14 december, 2019
Control groups offer a user-friendly look at your process hierarchy.
RISC-V Foundation Says Goodbye to the United States 14 december, 2019
For over thirty years U.S. companies have enjoyed a home court advantage in developing information and communications technology (ICT) standards.
Script - A Simple Command-Line Tool for Recording Your Terminal Session Activity 14 december, 2019
2DayGeek: This tutorial enables the user to record their terminal activity for later reference.
How to see Time-To-Live (TTL) for a DNS record 13 december, 2019
Nixcraft: How do I see Time-To-Live (TTL) for a DNS record?
For Loop in Python Explained With Practical Examples 13 december, 2019
Learn the concept of for loop in Python with these practical examples.

Raspberry Pi CM3 dev board breaks through with $38 price 15 december, 2019
Waveshare’s $38 “Compute Module PoE Board” extends the Raspberry Pi CM3 with a PoE-enabled 10/100 LAN port, 4x USB, HDMI, MIPI-DSI and -CSI, 40-pin GPIO, and an optional case. We’ve seen a variety of embedded systems based on the Raspberry Pi Compute Module 3, including IoT gateways such as CompuLab’s IOT-GATE-RPi and automation controllers like […]
Guest Article: The Free Software Movement Should Come Out From the Box 15 december, 2019
"From now onwards we have to think from a user’s rights perspective and mobilise users of Free software. They should know what rights they ought to get."
Install Odoo 13 on CentOS 8 15 december, 2019
Odoo is the most popular all-in-one business software in the world. It offers a range of business applications, including CRM, website, e-Commerce, billing, accounting, manufacturing, warehouse, project management, inventory, and much more, all seamlessly integrated.
How to Install Jetty 9 on Ubuntu 16.04 15 december, 2019
Jetty is free and open source, Java HTTP (Web) server and Java Servlet container similar to Tomcat, GlassFish and WildFly. It provides support for SPDY, WebSocket, OSGi, JMX, JNDI, JAAS, and many other integrations. It is often used for machine to machine communications within larger software frameworks. Let’s get started with the installation.
What GNOME 2 fans love about the Mate Linux desktop 15 december, 2019
Stop me if you[he]#039[/he]ve heard this one before: When GNOME 3 was first released, many GNOME users were not ready to give up GNOME 2. The Mate (named after the yerba mate plant) project began as an effort to continue the GNOME 2 desktop, at first using GTK 2 (the toolkit GNOME 2 was based […]

What is firewall-cmd and how to use it
A properly configured firewall is one of the most important tasks of any Linux system administrator. Firewalld is a complete firewall solution and an alternative to the iptables service that can be used for dynamically managing a system's firewall. This tutorial is about firewall-cmd and its usage on Centos.
Raspberry Pi CM3 dev board breaks through with $38 price
Waveshare’s $38 “Compute Module PoE Board” extends the Raspberry Pi CM3 with a PoE-enabled 10/100 LAN port, 4x USB, HDMI, MIPI-DSI and -CSI, 40-pin GPIO, and an optional case. We’ve seen a variety of embedded systems based on the Raspberry Pi Compute Module 3, including IoT gateways such as CompuLab’s IOT-GATE-RPi and automation controllers like […]
Guest Article: The Free Software Movement Should Come Out From the Box
"From now onwards we have to think from a user’s rights perspective and mobilise users of Free software. They should know what rights they ought to get."
Install Odoo 13 on CentOS 8
Odoo is the most popular all-in-one business software in the world. It offers a range of business applications, including CRM, website, e-Commerce, billing, accounting, manufacturing, warehouse, project management, inventory, and much more, all seamlessly integrated.
How to Install Jetty 9 on Ubuntu 16.04
Jetty is free and open source, Java HTTP (Web) server and Java Servlet container similar to Tomcat, GlassFish and WildFly. It provides support for SPDY, WebSocket, OSGi, JMX, JNDI, JAAS, and many other integrations. It is often used for machine to machine communications within larger software frameworks. Let’s get started with the installation.
What GNOME 2 fans love about the Mate Linux desktop
Stop me if you[he]#039[/he]ve heard this one before: When GNOME 3 was first released, many GNOME users were not ready to give up GNOME 2. The Mate (named after the yerba mate plant) project began as an effort to continue the GNOME 2 desktop, at first using GTK 2 (the toolkit GNOME 2 was based […]
Sysadmins: How many spare cords do you have sitting around?
Do you stockpile cables and other spare parts like they're going out of style, or do you just hang on to a few and order more when you need them?
Linux-on-Jetson SDR board gets major software upgrade
Deepwave Digital’s v0.2 release of the Ubuntu-based AirStack software for its Nvidia TX2 and Artix-7 equipped AIR-T SDR dev board adds variable sample rate, phase locking for MIMO, easier updates, and support for Jetpack 4.2.2, Docker, and the Jetson TX2i. Philadelphia-based Deepwave Digital has released version 0.2.0 of the Ubuntu-driven stack that drives its Jetson […]
Secure Nginx with Let's Encrypt on CentOS 8
Let's Encrypt is a free, automated, and open certificate authority developed by the Internet Security Research Group (ISRG) that provides free SSL certificates. In this tutorial, we'll provide a step by step instructions about how to install a free Let's Encrypt SSL certificate on CentOS 8 running Nginx as a web server. We’ll also show […]
How to Completely Wipe Your Hard Drive in Linux
Formatting your hard drive doesn't wipe the data within. Here's how you can completely wipe your hard drive in Linux, making data retrieval difficult
Eclipse Foundation launches Edge Native Working Group
The Eclipse Foundation announced an “Edge Native Working Group” to develop open source software for edge computing, starting with its Eclipse ioFog and Eclipse fog05 projects. Members include Adlink, Bosch, Edgeworx, Eurotech, Huawei, Intel, Kynetics, and Siemens. The Edge Native Working Group is a “vendor-neutral and code-first industry collaboration that will drive the evolution and […]
How the community can help your business: People Powered
Open source took over the world because of community, and community expert Jono Bacon explains how this concept can revolutionize your business in his new book People Powered.
Petitioning for rehearing in Mozilla v. FCC
Today, Mozilla continues the fight to preserve net neutrality protection as a fundamental digital right. Alongside other petitioners in our FCC challenge, Mozilla, Etsy, INCOMPAS, Vimeo and the Ad Hoc …
How to Install OpenVPN Server and Client with Easy-RSA 3 on CentOS 8
OpenVPN is an open-source application that allows you to create a secure private network over the public internet. In this tutorial, we will show you how to step-by-step install and configure OpenVPN on CentOS 8. And we will implement the certificate-based OpenVPN authentication.
How to execute .bin and .run files in Debian
In this article, we will explain how to execute/run the file with .run and .bin extensions on Debian Linux. We have run the commands and procedures mentioned in this article on a Debian 10 Buster system.
Creating Kubernetes distributions
Making a comparison between Linux and Kubernetes is often one of apples to oranges. There are, however, some similarities and there is an effort within the Kubernetes community to make Kubernetes more like a Linux distribution.
How to configure Openbox for your Linux desktop
You may have used the Openbox desktop without knowing it: While Openbox is a great window manager on its own, it also serves as the window manager "engine" for desktop environments like LXDE and LXQT, and it can even manage KDE and GNOME. Aside from being the foundation for several desktops, Openbox is arguably one […]
KDE Applications 19.12 Open-Source Software Suite Released, Here's What's New
The KDE Project released today the December 2019 update to its open-source and cross-platform KDE Applications software suite, version 19.12.
How to replace a hard drive on Linux
I built my current desktop about three years ago and installed a solid-state drive (SSD). Later, I needed more storage space, so I installed a second drive—an older spindle and platter hard disk drive (HDD) that happened to be lying around. Recently, I decided to replace this HDD with an SSD.This article walks through the […]
HP Linux Imaging & Printing Drivers Are Now Supported on Debian GNU/Linux 10.2
HP Linux Imaging and Printing (HPLIP) software, an open-source and free print, scan and fax driver solution for HP printers and scanners, has been updated today to version 3.19.12 for Linux-based operating systems.

Teltonika Industrial Ethernet to 4G LTE IoT gateway
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Hikvision DS-7604NI-K1
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Hikvision DS-2CD2125FWD-I(2.8mm) IP Camera Dome
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LX550 Adjustable Notebook Riser
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Frozen 2 Set of 3 nightlight, sing a long, kids headphone
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Light up Message board
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External enclosure for 3.5″ SATA HDDs with USB 3.0 interface
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3M MacBook Pro Privacy Filter 13
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3M Gold Privacy Filter for 15
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3M Gold Privacy Filter 12.5
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