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Updated: 1 hour 19 min ago

Get Certified in Hyperledger Blockchain Tech from Linux Foundation [65% Off]

14 hours 57 min ago
Linux Foundation, the official organization behind Linux, is running a limited time deal on its Hyperledger training and certification courses. This will help in boosting your career as blockchain skills are in high demand.

4 Free and Open Source Alternatives to Adobe Photoshop

Monday 14th of October 2019 12:16:07 PM
Looking for a free Photoshop alternative? Here are some of the best free and open source software that you can use instead of Adobe Photoshop.

10 Ways to Customize Your Linux Desktop With GNOME Tweaks Tool

Sunday 13th of October 2019 06:08:19 AM
GNOME Tweaks is a versatile tool that lets you customize many aspects of your GNOME desktop. This tutorial shows how to install and use GNOME Tweak tool.

How to Unzip a Zip File in Linux [Beginner’s Tutorial]

Wednesday 9th of October 2019 11:20:40 AM
Learn how to unzip a file in Ubuntu and other Linux distributions. Both terminal and GUI methods have been discussed.

5 Best Password Managers For Linux Desktop

Monday 7th of October 2019 12:04:03 PM
A password manager is essential tool so that you don't have to remember complicated passwords. Check out the best password managers available for Linux desktop.

Enable or Disable Automatic Login in Ubuntu [Beginner’s Tip]

Sunday 6th of October 2019 01:22:03 PM
This quick tip shows you how to enable or disable automatic logon in Ubuntu. Step by step screenshots and video will help you breeze through the process.

Use GameHub to Manage All Your Linux Games in One Place

Friday 4th of October 2019 09:03:28 AM
GameHub is a free and open source software for desktop Linux that allows you to manage your games library from different platforms in one single application.

Chuwi GBox Pro Mini PC Review for Linux Users

Thursday 3rd of October 2019 06:46:11 AM
Chuwi GBox Pro is an inexpensive mini PC that could be used as a media center as well. Here is our hands on experience with GBox Pro running on Linux.

Linux Kernel 5.4 to Have Kernel Lockdown and ExFAT Support

Tuesday 1st of October 2019 05:53:39 AM
Linux Kernel 5.4 will be the last major stable kernel release of the year. This release has some big changes that will impact both manufacturers and end users.

Open Source Voice Chat Mumble Makes a Big Release After 10 Years

Saturday 28th of September 2019 04:55:50 AM
Mumble is a free and open source, low latency, high quality voice chat application. A new release has arrived after 10 years and brings much needed improvements to this already awesome application.

GNOME Foundation is Being Sued Because of Shotwell Photo Manager

Wednesday 25th of September 2019 01:35:50 PM
The GNOME Foundation is facing a lawsuit from Rothschild Patent Imaging, LLC. Patent troll Rothschild allege that Shotwell photo manager infringes its patent.

You Can Now Use OneDrive in Linux Natively Thanks to Insync

Wednesday 25th of September 2019 04:56:18 AM
Microsoft's cloud storage is not available on Linux officially. You can use OneDrive on Linux thanks to the latest version of Insync.

The Great Open Source Divide: ICE, Hippocratic License and the Controversy

Tuesday 24th of September 2019 07:46:40 AM
Coraline Ada Ehmke has created “Hippocratic License” that “add ethics to open source projects”. But this seems to be just the beginning of a controversy as the “Hippocratic License” may not be open source at all.

Essential Accessories for Intel NUC Mini PC

Monday 23rd of September 2019 03:38:12 AM
Intel NUC is an excellent gadget that can replace a bulky desktop computer. If you are buying one, you should also consider having these Intel NUC accessories.

Top Open Source Video Players for Linux

Friday 20th of September 2019 10:51:03 AM
Wondering which video player should you use on Linux? Here's a list of top open source video players available for Linux distributions.

Oracle Autonomous Linux: A Self Updating, Self Patching Linux Distribution for Cloud Computing

Thursday 19th of September 2019 05:47:03 AM
Oracle has launched Oracle Autonomous Linux, world's first autonomous operating system to take on cloud giants like Amazon and IBM. Can this be a game changer?

Become A Linux Foundation Certified Sysadmin [65% Off]

Wednesday 18th of September 2019 05:25:43 AM
The Linux Foundation is offering beginner sysadmin and advanced sysadmin training and certification bundle at more than 65% off. You have better career prospect as a certified Linux professional.

Amid Epstein Controversy, Richard Stallman is Forced to Resign as FSF President

Tuesday 17th of September 2019 05:53:10 AM
Richard Stallman, founder and president of the Free Software Foundation, has resigned as the president and from its board of directors. The announcement has come after a relentless campaign by a few activists and media person to remove Stallman for his views on the Epstein victims.

How to Check Linux Mint Version Number & Codename

Monday 16th of September 2019 06:53:05 AM
Learn to check Linux Mint version number and release information in command line or graphically. You can also get the base Ubuntu release details.

Meet PineTime: A $25 Open Source Smartwatch for Linux Lovers

Saturday 14th of September 2019 09:25:12 AM
After budget friendly Pine Tab, Pine Phone and Pine Notebook, PINE64 just revealed that it is working on a Linux based smartwatch called PineTime. It should cost around $25 when it is available.

More in Tux Machines

Python Across Platforms

  • Chemists bitten by Python scripts: How different OSes produced different results during test number-crunching

    Chemistry boffins at the University of Hawaii have found, rather disturbingly, that different computer operating systems running a particular set of Python scripts used for their research can produce different results when running the same code. In a research paper published last week in the academic journal Organic Letters, chemists Jayanti Bhandari Neupane, Ram Neupane, Yuheng Luo, Wesley Yoshida, Rui Sun, and Philip Williams describe their efforts to verify an experiment involving cyanobacteria, better known as blue-green algae. Williams, associate chair and professor in the department of chemistry at the University of Hawaii at Manoa, said in a phone interview with The Register on Monday this week that his group was looking at secondary metabolites, like penicillin, that can be used to treat cancer or Alzheimer's.

  • Chemists discover cross-platform Python scripts not so cross-platform

    In a paper published October 8, researchers at the University of Hawaii found that a programming error in a set of Python scripts commonly used for computational analysis of chemistry data returned varying results based on which operating system they were run on—throwing doubt on the results of more than 150 published chemistry studies. While trying to analyze results from an experiment involving cyanobacteria, the researchers—Jayanti Bhandari Neupane, Ram Neupane, Yuheng Luo, Wesley Yoshida, Rui Sun, and Philip Williams—discovered significant variations in results run against the same nuclear magnetic resonance spectroscopy (NMR) data. The scripts, called the "Willoughby-Hoye" scripts after their authors—Patrick Willoughby and Thomas Hoye of the University of Minnesota—were found to return correct results on macOS Mavericks and Windows 10. But on macOS Mojave and Ubuntu, the results were off by nearly a full percent.

today's leftovers

  • Fedora Removes 32bit, System76 Coreboot, Flatpak, Valve, Atari VCS, Docker | This Week in Linux 84

    On this episode of This Week in Linux, we talk about Fedora Removing 32-bit, well sort of. System76’s announced two laptops using Coreboot firmware. There is some interesing news regarding Docker and its future. Then we’ll check out some Linux Gaming news with some really exciting news from Valve! 

  • PostgreSQL 12 boosts open source database performance

    Performance gains are among the key highlights of the latest update of the open source PostgreSQL 12 database. PostgreSQL 12 became generally available Oct. 3, providing users of the widely deployed database with multiple enhanced capabilities including SQL JSON query support and improved authentication and administration options. The PostgreSQL 12 update will potentially affect a wide range of use cases in which the database is deployed, according to Noel Yuhanna, an analyst at Forrester Research. "Organizations are using PostgreSQL to support all kinds of workloads and use cases, which is pushing the needs for better performance, improved security, easier access to unstructured data and simplified deployments," Yuhanna said. "To address this, PostreSQL12 improves performance by improving its indexing that requires less space and has better optimization to deliver faster access."

  • Olimex Launches NB-IoT DevKit Based on Quectel BC66 Module for 19 Euros

    There are three LPWAN standards currently dominating the space LoRaWAN, NB-IoT, and Sigfox. 

  • Intel Denverton based Fanless Network Appliance Comes with 6x Ethernet Ports, 2x SFP Cages
  • Heading levels

    the headings would be “Apples” (level 1), “Taste” (level 2), “Sweet” (level 3), “Color” (level 2). Determining the level of any given heading requires traversing through its previous siblings and their descendants, its parent and the previous siblings and descendants of that, et cetera. That is too much complexity and optimizing it with caches is evidently not deemed worth it for such a simple feature. However, throwing out the entire feature and requiring everyone to use h1 through h6 forever, adjusting them accordingly based on the document they end up in, is not very appealing to me. So I’ve been trying to come up with an alternative algorithm that would allow folks to use h1 with sectioning elements exclusively while giving assistive technology the right information (default styling of h1 is already adjusted based on nesting depth). The simpler algorithm only looks at ancestors for a given heading and effectively only does so for h1 (unless you use hgroup). This leaves the above example in the weird state it is in in today’s browsers, except that the h1 (“Color”) would become level 2. It does so to minimally impact existing documents which would usually use h1 only as a top-level element or per the somewhat-erroneous recommendation of the HTML Standard use it everywhere, but in that case it would dramatically improve the outcome.

  • openSUSE OBS Can Now Build Windows WSL Images

    As Windows Subsystem for Linux (WSL) is becoming a critical piece of Microsoft’s cloud and data-center audience, openSUSE is working on technologies that help developers use distributions of their choice for WSL. Users can run the same WSL distribution that they run in the cloud or on their servers. The core piece of openSUSE’s WSL offering is the WSL appx files, which are basically zip files that contain a tarball of a Linux system (like a container) and a Windows exe file, the so called launcher.

2D using Godot

This brings me to the GUI parts. I’m still not convinced that I understand how to properly layout stuff using Godot, but at least it looks ok now – at the cost of some fixed element sizes and such. I need to spend some more time to really understand how the anchoring and stretching really works. I guess I have a hard time wrapping my head around it as the approach is different from what I’m used to from Qt. Looking at the rest of the code, I’ve tried to make all the other scenes (in Godot, everything is a scene) like independent elements. For instance, the card scene has a face, and an is_flipped state. It can also signal when it is being flipped and clicked. Notice that the click results in a signal that goes to the table scene, which decides if the card needs to be flipped or not. The same goes for the GUI parts. They simple signal what was clicked and the table scene reacts. There are some variables too, e.g. the number of pairs setting in the main menu, and the points in the views where that is visible. Read more

Linux Graphics Stack: Intel, AMD and More

  • Intel Linux Graphics Driver Adds Bits For Jasper Lake PCH

    Details are still light on Jasper Lake, but volleyed onto the public mailing list today was the initial support for the Jasper Lake PCH within the open-source Linux graphics driver side. The patch adds in the Jasper Lake PCH while acknowledging it's similar to Icelake and Tigerlake behavior. The Jasper Lake PCI device ID is 0x4D80. The patch doesn't reveal any other notable details but at least enough to note that the Jasper Lake support is on the way. Given the timing, the earliest we could see Intel Jasper Lake support out in the mainline kernel would be for Linux 5.5, which will be out as stable as the first kernel series of 2020 and in time for the likes of Ubuntu 20.04 LTS and Fedora 32.

  • Linux Graphics Drivers Could Have User-Space API Changes More Strictly Evaluated

    In response to both the AMD Radeon and Intel graphics drivers adding new user-space APIs for user-space code that just gets "[thrown] over the wall instead of being open source developed projects" and the increase of Android drivers introducing their own UAPI headaches, Airlie is looking at enforcing more review/oversight when DRM drivers want to make user-space API changes. The goal ultimately is to hopefully yield more cross-driver UAPI discussions and in turn avoiding duplicated efforts, ensuring good development implementations prior to upstreaming, and better quality with more developers reviewing said changes.

  • xf86-video-ati 19.1 Released With Crash & Hang Fixes

    For those making use of xf86-video-ati on X.Org-enabled Linux desktops, the version 19.1 release brings just a handful of new fixes. This release was announced today by Michel Dänzer who last month departed AMD to now work on Red Hat's graphics team. Michel is sticking around the Mesa/X.Org world for Red Hat's duties but is hoping someone else will be picking up maintenance of the xf86-video-ati/xf86-video-amdgpu DDX drivers going forward. Granted, not a lot of activity happens to these X.Org DDX drivers these days considering more Linux desktops slowly moving over to Wayland, many X11 desktops using the generic xf86-video-modesetting, and these AMD drivers being fairly basic now with all of the big changes in the AMDGPU DRM kernel driver.