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Free embedded Linux training materials demystify Buildroot

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Linux

Free Electrons has posted free detailed training materials for its course on building an embedded Linux project on a BeagleBone Black SBC using Buildroot.

Last November, Linux training firm Free Electrons posted free training materials for a three-day training course on building an embedded Linux project using Yocto Project and OpenEmbedded. Now, the company has published similar training materials for a course about using Buildroot, once again with the target platform being a BeagleBone Black.

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BFQ Is One Step Closer To Being Merged Into The Linux Kernel

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Linux

BFQ is a proportional-share I/O scheduler that shares a lot of code with the CFQ scheduler. The Completely Fair Queuing (CFQ) scheduler has long been part of the mainline tree but BFQ hasn't been pulled yet even after many revisions and code reviews, as outlined previously on Phoronix. While it doesn't look like it will be ready for the upcoming Linux 4.2 cycle, it appears BFQ getting accepted is becoming quite close.

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Also: Linux 4.1 Offers Potentially Dazzling Performance

Some stable kernel updates

Arch AUR Is Moving On Over To Git

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Development
GNU
Linux

This is just a reminder that as of today, June 8th 2015, it is the last day for any changes to be submitted to aur.archlinux.org and for them to be kept. Any and all changes going forward should be made to aur4.archlinux.org. Any changes that occur to aur.archlinux.org after today will be LOST.

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Dell's Current Ubuntu Image For The XPS 13 Developer Laptop 2015 Disappoints

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GNU
Linux
Ubuntu

Earlier this year Dell released their XPS 13 laptop with an Intel Broadwell processor and all-around looks like a great developer laptop. Back when the hardware first appeared, the Linux support wasn't in great shape. Dell is now shipping the XPS13 2015 model with Ubuntu 14.04 LTS preloaded, but sadly, there's still some issues with the initial pre-install.

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A Linux Bling Screenshot Tour

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GNU
Linux

Our experiment is a little game we’ve been running on our Reglue kids and/or their parents since Ubuntu 10.10. That’s somewhere in 2010, if I recall correctly, but I am sure I am correct when reporting that the 10.10 default desktop was as exciting as…well, you couldn’t get a duller presentation if you honestly made an attempt to do so.

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How To Install/Upgrade To KDE Plasma 5.3.1 In Kubuntu 15.04 OR Ubuntu 15.04 And Derivatives

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Linux
News
Ubuntu
HowTos


How To Install/Upgrade To KDE Plasma 5.3.1 In Kubuntu 15.04 OR Ubuntu 15.04 And Derivatives

KDE Plasma 5.3.1 was released last month with a big list of changes and improvements. You can now upgrade to KDE Plasma5.3.1 in Kubuntu orUbuntu 15.04. You can also install KDE Plasma 5 if you have any other Desktop environment. Plasma 5 series is very sleek and really beautiful. Let's move on and see what's new in this release and then install/upgrade to the latest version.
 

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Jailhouse

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Linux

As usual with free software, the situation is getting better with time, but there is one other thing—security. Sensitive software systems go through rigorous certifications (like Common Criteria) or even formal verification procedures. If you want them to run virtualized (say, for consolidation purposes), the hypervisor must isolate them from non-certifiable workloads. This implies that the hypervisor itself must be small enough; otherwise, it may end up being larger (and more "suspicious") than the software it segregates, thus devastating the whole idea of isolation.

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Peppermint: Desktop Linux for the cloud generation

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Linux

If you don't mind being joined to Google at the hip, there's a great Linux-based cloud desktop operating system called Chrome OS. It's on Chromebooks. If, however you want a Linux-based cloud desktop operating system where you can rely on non-Google cloud apps, you have another excellent choice: Peppermint.

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Life gets tougher for alternative mobile OSes Tizen, Firefox and Ubuntu

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Linux

The future doesn’t look very bright right now for alternative mobile operating systems Firefox OS, Tizen and Ubuntu.

It’s always been difficult to attract developers to these platforms, and now smartphones powered by the OSes are also falling behind affordable Android devices on hardware specs. So not only must their users put up with a smaller selection of apps, but also with less powerful devices.

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Quick Look: Dell XPS 13 Developer Edition (2015) with Ubuntu 14.04 LTS

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GNU
Linux
Reviews

The other specifications include i7-5600U CPU, 8GB RAM, 256GB SSD, and of course Ubuntu 14.04 LTS pre-installed as OEM specific installation. It was not possible to directly order it from Dell site, as Finland is reportedly not online market for Dell... The wholesale company however managed to get two models on their lists and so it's now possible to order via retailers.

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Mozilla: Code of Conduct, Kelly Davis, Celebrate Firefox Internet Champions

  • ow We’re Making Code of Conduct Enforcement Real — and Scaling it
    This is the first line of our Community Participation Guidelines — and an nudge to keep empathy at center when designing response processes. Who are you designing for? Who is impacted? What are their needs, expectations, dependencies, potential bias and limitations?
  • Role Models in AI: Kelly Davis
    Meet Kelly Davis, the Manager/Technical Lead of the machine learning group at Mozilla. His work at Mozilla includes developing an open speech recognition system with projects like Common Voice and Deep Speech (which you can help contribute to). Beyond his passion for physics and machine learning, read on to learn about how he envisions the future of AI, and advice he offers to young people looking to enter the field.
  • Celebrate Firefox Internet Champions
    While the world celebrates athletic excellence, we’re taking a moment to share some of the amazing Internet champions that help build, support and share Firefox.

Canonical Ubuntu 2017 milestones, a year in the rulebook

So has Canonical been breaking rules with Ubuntu is 2017, or has it in been writing its own rulebook? Back in April we saw an AWS-tuned kernel of Ubuntu launched, the move to cloud is unstoppable, clearly. We also saw Ubuntu version 17.04 released, with Unity 7 as the default desktop environment. This release included optimisations for environments with low powered graphics hardware. Read more Also: Ubuntu will let upgraders ‘opt-in’ to data collection in 18.04

The npm Bug

  • ​Show-stopping bug appears in npm Node.js package manager
    Are you a developer who uses npm as the package manager for your JavaScript or Node.js code? If so, do not -- I repeat do not -- upgrade to npm 5.7.0. Nothing good can come of it. As one user reported, "This destroyed 3 production servers after a single deploy!" So, what happened here? According to the npm GitHub bug report, "By running sudo npm under a non-root user (root users do not have the same effect), filesystem permissions are being heavily modified. For example, if I run sudo npm --help or sudo npm update -g, both commands cause my filesystem to change ownership of directories such as /etc, /usr, /boot, and other directories needed for running the system. It appears that the ownership is recursively changed to the user currently running npm."
  • Botched npm Update Crashes Linux Systems, Forces Users to Reinstall
    A bug in npm (Node Package Manager), the most widely used JavaScript package manager, will change ownership of crucial Linux system folders, such as /etc, /usr, /boot. Changing ownership of these files either crashes the system, various local apps, or prevents the system from booting, according to reports from users who installed npm v5.7.0. —the buggy npm update.

Windows 10 WSL vs. Linux Performance For Early 2018

Back in December was our most recent round of Windows Subsystem for Linux benchmarking with Windows 10 while since then both Linux and Windows have received new stable updates, most notably for mitigating the Spectre and Meltdown CPU vulnerabilities. For your viewing pleasure today are some fresh benchmarks looking at the Windows 10 WSL performance against Linux using the latest updates as of this week while also running some comparison tests too against Docker on Windows and Oracle VM VirtualBox. Read more