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Updated: 58 min 35 sec ago

All the supercomputers in the world moved to Linux operating systems

Sunday 19th of November 2017 04:58:38 AM
Over the past six months operating systems based on Linux completely replaced the other OS and now are used on all 500 most powerful supercomputers.

Goodbye Apple, goodbye Microsoft... hello Linux

Sunday 19th of November 2017 02:07:05 AM
Linux is everywhere – and will free your computer from corporate clutches. Rival operating systems: most people are too busy to look beyond Windows (left) and macOS (right), but Linux (centre) is worth making time for.

How to Speed Up WordPress with Redis Caching

Saturday 18th of November 2017 10:21:32 PM
How to Speed Up WordPress with Redis Caching in few easy steps. Redis is an in-memory database which can be used as a data store or cache.

Akademy 2018 - Vienna, Austria - 11-17 August

Saturday 18th of November 2017 08:32:53 PM
Vienna Calling! This is not only a song by the famous austrian singer Falco, but could also the motto for next years Akademy.In 2018 Akademy will be held at the University of Technology (TU Wien) in Vienna, Austria, from Saturday 11th to Friday 17th August.

Snaps Are Coming to Ubuntu 18.04 by Default, Kubuntu Could Also Adopt Them

Saturday 18th of November 2017 06:44:14 PM
Mark Shuttleworth's all-snap Ubuntu system dream is soon becoming a reality as the Ubuntu developers are currently discussing a strategy to bring Snaps by default in the upcoming release, Ubuntu 18.04 LTS.

Top 5: Fortran turns 60, AutoCAD alternatives, and more

Saturday 18th of November 2017 04:55:36 PM
This week, we look at Fortran at 60, open source CAD programs, programming-friendly fonts, and more.

This Week in Open Source: Linux Demonstrates Superpowers With Supercomputer Domination & More

Saturday 18th of November 2017 03:06:57 PM
This week in open source/Linux news, Linux not powers the vast majority of the world's supercomputers, Hyperledger is set apart from hype, and more.

KDE Applications 17.12 Linux Software Stack Ports More Apps to KDE Frameworks 5

Saturday 18th of November 2017 01:18:18 PM
The KDE Project today released the beta version of its upcoming KDE Applications 17.12 open-source software suite for GNU/Linux operating systems.

A Beginner's Introduction to Linux

Saturday 18th of November 2017 11:29:39 AM
Welcome to the wonderful world of Linux. You’ll embrace a plethora of free open source software, with more choices than you could possibly imagine. There are hundreds of actively-maintained Linux distributions, dozens of different desktop environments, and tens of thousands of open source applications covering the whole gamut: games, multimedia and graphics tools, internet apps, utilities, development environments, and much more.

Red Hat OpenShift Container Platform 3.7 Gains AWS Service Broker Integration

Saturday 18th of November 2017 09:41:01 AM
Red Hat released the latest iteration of its container orchestration and management platform on Nov. 16 with the general availability of OpenShift 3.7. Among the new capabilities that have landed in OpenShift Container Platform 3.7 is AWS Service Broker integration, Service catalog, template broker and a preview of Prometheus container monitoring

How to Easily Remember Linux Commands

Saturday 18th of November 2017 07:52:22 AM
It can be so difficult for new users to remember Linux commands that they need to fully utilize their system. These tricks make it easier to do so.

Raspberry Pi CM3 arrives on PC/104… sort of

Saturday 18th of November 2017 06:03:43 AM
Crowd Supply is hosting a “Pi/104” carrier for the RPi Compute Module 3 featuring PC/104 OneBank expansion, a 40-pin RPi header, and -25 to 80°C support. Here’s something we haven’t seen before. Developer Adam Parker has launched a stackable PC/104 form factor carrier board on Crowd Supply designed to work with the Linux-driven Raspberry Pi […]

CNCF Wants You to Use 'Certified Kubernetes'

Saturday 18th of November 2017 04:15:04 AM
The foundation, which controls development of Kubernetes, was able to get 36 member organization to agree to a set of standards for the container orchestration platform. Kubernetes has already become the standard for container management, and this new agreement makes sure that Kubernetes always means what admins and DevOps think it means, regardless of vendor.

Impostor syndrome and individual competence

Saturday 18th of November 2017 02:26:26 AM
If you've ever had "that sick, sad, cold, wet feeling that you have no idea what you're doing, you're going to get caught, and it's all going to be terrible," you're may be experiencing imposter syndrome, says Jessica Rose, a former teacher and a self-taught technologist.read more

Raspberry Digital Signage 10

Saturday 18th of November 2017 12:37:48 AM
Marco Buratto has released Raspberry Digital Signage 10.0 today. The underlying operating system has been moved to Raspbian Stretch; the overall performance is sensibly better and HTML5 videos play a lot smoother.

5 open source fonts ideal for programming

Friday 17th of November 2017 10:49:10 PM
What is the best programming font? First, you need to consider that not all fonts are created equally. When choosing a font for casual reading, the reader expects the letters to smoothly flow into one another, giving an easy and enjoyable experience. A single character for a standard font is akin to puzzle piece designed to carefully mesh with every other part of the overall typeface.read more

How to Install and Use Docker on Linux

Friday 17th of November 2017 09:00:32 PM
I’m going to demonstrate how easy it is to install Docker on Linux, as well as walking you through the first steps of working with Docker. I’ll be demonstrating on the Ubuntu 16.04 Server platform, but the process is very similar on most all Linux distributions.

Add a new Host and Services to be Monitored by Icinga 2

Friday 17th of November 2017 07:11:53 PM
In this tutorial, I will show you how to add a new host to be monitored by Icinga 2 and how the host’s services, such as a web HTTP server, can be monitored by Icinga. I will also show you how to create your own custom Icinga plugin command in order to monitor UDP services in your network infrastructure.

Open Jam leaves a mark with 45 game entries and 3 big winners

Friday 17th of November 2017 05:23:15 PM
In early October 2017, the inaugural Open Jam, a video game jam focused on open source game development, took place. Creators were given 72 hours to build a video game from scratch using the best of the open source world. It was a fantastic weekend, with 45 games created and entered into the jam, and three outstanding entries making it to the final competition. Read on for a review of the event, lots of pictures, and heaping praise for the creators!read more

How to use argparse to parse python scripts parameters

Friday 17th of November 2017 03:51:46 PM
In a previous article we have seen how to parse command line arguments using getopts in the context of bash scripts (you can find the article here). Now we will see how to accomplish the same task, in a more powerful way, when writing a python script.

More in Tux Machines

today's leftovers

  • Why Linus is right (as usual)
    Last year, some security “hardening” code was added to the kernel to prevent a class of buffer-overflow/out-of-bounds issues. This code didn’t address any particular 0day vulnerability, but was designed to prevent a class of future potential exploits from being exploited. This is reasonable. This code had bugs, but that’s no sin. All code has bugs. The sin, from Linus’s point of view, is that when an overflow/out-of-bounds access was detected, the code would kill the user-mode process or kernel. Linus thinks it should have only generated warnings, and let the offending code continue to run.
  • Kube-Node: Let Your Kubernetes Cluster Auto-Manage Its Nodes
    As Michelle Noorali put it in her keynote address at KubeCon Europe in March of this year: the Kubernetes open source container orchestration engine is still hard for developers. In theory, developers are crazy about Kubernetes and container technologies, because they let them write their application once and then run it anywhere without having to worry about the underlying infrastructure. In reality, however, they still rely on operations in many aspects, which (understandably) dampens their enthusiasm about the disruptive potential of these technologies. One major downside for developers is that Kubernetes is not able to auto-manage and auto-scale its own machines. As a consequence, operations must get involved every time a worker node is deployed or deleted. Obviously, there are many node deployment solutions, including Terraform, Chef or Puppet, that make ops live much easier. However, all of them require domain-specific knowledge; a generic approach across various platforms that would not require ops intervention does not exist.
  • Red Hat, Inc. (RHT) Shares Bought by Aperio Group LLC
  • Cloudera, Inc. (CLDR) vs. Red Hat, Inc. (RHT): Breaking Down the Data

Software: VidCutter, Super Productivity, MKVToolNix

  • VidCutter 5.0 Released With Improved UI, Frame Accurate Cutting
    A new version of VidCutter, a free video trimmer app, is available for download. VidCutter 5.0 makes it easier to cut videos to specific frames, improves the export of video clips with audio and subtitle tracks, and refreshes the default application icon. Why Vidcutter? If you want split video, trim video, or join video clips into a single montage then Vidcutter is ideal. The app lets you perform these tasks, as well as many more, quickly and easily. VidCutter is a Qt5 application that uses the open-source FFMpeg media engine.
  • Linux Release Roundup: Fedora 27, Shotwell, Corebird + More
    It’s been another busy week in the world of Linux, but we’re here to bring you up to speed with a round-up of the most notable new releases. The past 7 days have given us a new version of free software’s most popular photo management app, a new release of a leading Linux distribution, and updated one of my favourite app finds of the year.
  • Super Productivity is a Super Useful To-Do App for Linux, Mac & Windows
    Super Productivity is an open-source to-do list and time tracking app for Windows, macOS and Linux. It’s built using Electron but doesn’t require an internet connection (which is pretty neat). And it has (optional) integration with Atlassian’s Jira software.
  • MKVToolNix 18.0.0 Open-Source MKV Manipulation App Adds Performance Improvements
    A new stable release of the MKVToolNix open-source and cross-platform MKV (Matroska) manipulation software arrived this past weekend with various performance improvements and bug fixes. MKVToolNix 18.0.0 continues the monthly series of stability and reliability updates by adding performance improvements to both the AVC and HEVC ES parsers thanks to the implementation of support for copying much less memory, and enabling stack protection when building the program with Clang 3.5.0 or a new version.

OSS Leftovers

  • Reveal.js presentation hacks
    Ryan Jarvinen, a Red Hat open source advocate focusing on improving developer experience in the container community, has been using the Reveal.js presentation framework for more than five years. In his Lightning Talk at All Things Open 2017, he shares what he's learned about Reveal.js and some ways to make better use of it. Reveal.js is an open source framework for creating presentations in HTML based on HTML5 and CSS. Ryan describes Gist-reveal.it, his project that makes it easier for users to create, fork, present, and share Reveal.js slides by using GitHub's Gist service as a datastore.
  • Font licensing and use: What you need to know
    Most of us have dozens of fonts installed on our computers, and countless others are available for download, but I suspect that most people, like me, use fonts unconsciously. I just open up LibreOffice or Scribus and use the defaults. Sometimes, however, we need a font for a specific purpose, and we need to decide which one is right for our project. Graphic designers are experts in choosing fonts, but in this article I'll explore typefaces for everyone who isn't a professional designer.
  • Broader role essential for OpenStack Foundation, says Mirantis’ Renski
  • URSA Announces Name Change to Open Source Integrators to Reflect Their Full Spectrum of Open ERP Expertise
  • 2018 is Year for Open Source Software for Pentagon
    The US Pentagon is set to make a major investment in open source software, if section 886 of the National Defense Authorization Act for Fiscal Year 2018 is passed. The section acknowledges the use of open source software, the release of source code into public repositories, and a competition to inspire work with open source that supports the mission of the Department of Defense.
  • How startups save buckets of money on early software development
     

    Moving along, we have to segue with a short modularity lesson. More specifically, how modularity applies to software.

    Essentially, all products and services become cheaper and more plentiful when all the processes involved in production become modularised.

today's howtos