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Monday, 23 Apr 18 - Tux Machines is a community-driven public service/news site which has been around for over a decade and primarily focuses on GNU/LinuxSubscribe now Syndicate content

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Quick Roundup

Typesort icon Title Author Replies Last Post
linpc srlinuxx 03/09/2008 - 11:57am
ondiskgoblinx srlinuxx 04/09/2007 - 9:36pm
linuxextremedesktop srlinuxx 20/08/2007 - 2:13am
ondisk-mint srlinuxx 11/08/2007 - 3:58pm
adadheader srlinuxx 27/04/2007 - 1:18am
pclos srlinuxx 27/04/2007 - 4:39am
adadcontent srlinuxx 29/04/2007 - 8:54pm
salesad srlinuxx 01/05/2007 - 5:38pm
easyS srlinuxx 03/05/2007 - 7:03pm
ondisk-pclos-header srlinuxx 24/05/2007 - 3:25pm

Software: Liberation of Code, GNU Parallel, Devhelp

Filed under
Software
  • When should you open source your software?

    It’s 20 years this this since the term ‘Open Source’ was coined. In that time the movement for free and open software has gone from a niche to a common method of distribution and a normal way of operating for businesses.

    Major technology shifts are now driven by open source technologies: Big Data (Hadoop, Spark), AI (TensorFlow, Caffe), and Containers (Docker, Kubernetes) are all open projects. Massive companies including Google, Facebook, and even Lyft regularly release Open Source tools for the world to use. Microsoft – whose former CEO once described Linux as a cancer – now embraces the concept.

  • GNU Parallel 20180422 ('Tiangong-1') released

    Quote of the month:

    Today I discovered GNU Parallel, and I don’t know what to do with all this spare time.
    --Ryan Booker

  • Devhelp news

    For more context, I started to contribute to Devhelp in 2015 to fix some annoying bugs (it’s an application that I use almost every day). Then I got hooked, I contributed more, became a co-maintainer last year, etc. Devhelp is a nice little project, I would like it to be better known and used more outside of GNOME development, for example for the Linux kernel now that they have a good API documentation infrastructure (it’s just a matter of generating *.devhelp2 index files alongside the HTML pages).

University students create award-winning open source projects

Filed under
OSS

In my short time working for Clarkson University, I've realized what a huge impact this small university is making on the open source world. Our 4,300 student-strong science and technology-focused institution, located just south of the Canadian border in Potsdam, New York, hosts the Clarkson Open Source Institute (COSI), dedicated to promoting open source software and providing equipment and support for student projects.

While many universities offer opportunities for students to get involved in open source projects, it's rare to have an entire institute dedicated to promoting open source development. COSI is part of Clarkson's Applied Computer Science Labs within the computer science department. It, along with the Internet Teaching Lab and the Virtual Reality Lab, is run by students (supported by faculty advisers), allowing them to gain experience in managing both facilities and projects while still undergraduates.

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Linux 4.17-rc2

Filed under
Linux

So rc2 is out, and things look fairly normal.

The diff looks a bit unusual, with the tools subdirectory dominating,
with 30%+ of the whole diff. Mostly perf and test scripts.

But if you ignore that, the rest looks fairly usual. Arch updates
(s390 and x86 dominate) and drivers (networking, gpu, HID, mmc, misc)
are the bulk of it, with misc other changes all over (filesystems,
core kernel, networking, docs).

We've still got some known fallout from the merge window, but it
shouldn't affect most normal configurations, so go out and test.

Linus

Read more

Also: Upstream Linux support for new NXP i.MX8

Review: Chakra GNU/Linux 2017.10

Filed under
Reviews

Chakra is an unusual distribution for a few reasons. It is a rare semi-rolling project, which tries to maintain a fairly stable base system while providing up to date applications. This is an interesting compromise between full rolling and static operating systems. The semi-rolling concept is an idea I like and I was curious to see how well the approach would work dealing with around six months of updates. I was pleased to find Chakra handled the massive upgrade well.

Chakra was once also considered unusual for being very KDE-focused. There are more KDE distribution these days (KaOS, Kubuntu and KDE neon come readily to mind) and I think Chakra may have lost some of its appeal as more competition has established itself in the KDE-centric arena.

I found the distribution to be easy to set up and pretty straight forward to use, but there were a few characteristics which bothered me during my trial with Chakra. One was that while updates installed cleanly, once Plasma 5.12 was installed, I experienced slow login times and reduced performance on the desktop. It could be argued that this is a Plasma problem, not a Chakra problem, but the distribution's rolling release nature means any regressions in new versions of software end up in the user's lap.

Something that tends to bother me about distributions which focus on one desktop toolkit or another is that this approach to selecting software means we are sometimes using less capable tools in the name of toolkit purity. This is not a trade-off I like as I'd rather be using more polished applications over ones which a particular affiliation.

Finally, Chakra includes a number of command line aliases which got in my way. This seems to be a problem I have been running into more often recently. Developers are trying to be helpful by aliasing common commands, but it means that for some tasks I need to change my habits or undefine the provided aliases and the feature ends up being a nuisance instead of a convenience.

Chakra seems to be a capable and useful distribution and I am sure there are people who will appreciate the rolling release nature. Many people will likely also like having lots of KDE applications, and I can see the appeal of this combination. However, one thing which makes me hesitate to recommend Chakra is that the distribution does not appear to bring any special features to the ecosystem. It's a useful operating system and, to be completely fair, users can install non-KDE alternatives if they want to use LibreOffice instead of Calligra or GIMP instead of KolourPaint. But I'm not sure Chakra brings anything unique which makes it stand apart from openSUSE's Tumbleweed or KaOS's polished Plasma offering. Chakra used to be special in its semi-rolling, KDE-focused niche, but these days the distribution has a more competition and I'm not sure the project has any special sauce to set it apart from the crowd.

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Terminal app appears in Chome OS Dev, hints at future Linux application support

Filed under
GNU
Linux

Back in February, some commits to the Chromium codebase revealed that Chrome OS would soon run Linux applications using a container. While it has been possible for years to run Linux applications on top of Chrome OS using crouton, it's a hacky solution that only works in Developer Mode. Google's solution would presumably work better, and perhaps not require Dev Mode to be enabled.

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​What's the most popular Linux of them all?

Filed under
Android
GNU
Linux

Let's cut to the chase. Android is the most popular of all Linux distributions. Period. End of statement. But that's not the entire story.

Still it must be said, according to StatCounter, Android is the most popular of all operating systems. By a score of 39.49 percent to 36.63 percent, Android beats out Windows for global personal device supremacy. Sorry Windows, you had a nice run, but between your smartphone failures and the PC decline, your day is done.

But, setting Android aside, what's the most popular Linux? It's impossible to work that out. The website-based analysis tools, such as those used by StatCounter, NetMarketShare, and the Federal government's Digital Analytics Program (DAP), can't tell the difference between Fedora, openSUSE, and Ubuntu.

DAP does give one insightful measurement the others sites don't give us. While not nearly as popular as Android, Chrome OS is more popular than all the other Linux-based desktops combined by a score, in April 2018, of 1.3 percent to 0.6 percent of end users.

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Android/ChromeOS/Google Leftovers

Filed under
Android
Google

Games: SC-Controller 0.4.2, Campo Santo, Last Epoch and More

Filed under
Gaming

Ryzen 7 2700X CPUFreq Scaling Governor Benchmarks On Ubuntu Linux

Filed under
Graphics/Benchmarks

With this week's Ryzen 5 2600X + Ryzen 7 2700X benchmarks some thought the CPUFreq scaling driver or rather its governors may have been limiting the performance of these Zen+ CPUs, so I ran some additional benchmarks this weekend.

Those launch-day Ryzen 5 2600X / Ryzen 7 2700X Ubuntu Linux benchmarks were using the "performance" governor, but some have alleged that the performance governor may now actually hurt AMD systems... Ondemand, of course, is the default CPUFreq governor on Ubuntu and most other Linux distributions. Some also have said the "schedutil" governor that makes use of the kernel's scheduler utilization data may do better on AMD. So I ran some extra benchmarks while changing between CPUFreq's ondemand (default), performance (normally the best for performance, and what was used in our CPU tests), schedutil (the newest option), and powersave (if you really just care about conserving power).

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OSS Leftovers

Filed under
OSS
  • Libjpeg-Turbo 2.0 Beta Brings More AVX2 SIMD, Improved CMake Build System

    A Phoronix reader recently pointed out that LibJPEG 2.0 Beta quietly shipped last month as working towards the next big update for this speed-focused JPEG library.

    Libjpeg-Turbo 2.0 beta is available for testing and it brings AVX2 SIMD support for colorspace conversion, chroma downsampling/upsampling, integer quantization and sample conversion, and integer DCT/IDCT algorithms. These AVX2 SIMD accelerated paths are generally bringing gains anywhere from 9% to 36% faster depending upon the operation. This version is also bringing SIMD acceleration for Huffman encoding on SSE2 CPUs and Loongson MMI SIMD implementations for more functions.

  • A look at Rancher 2.0

    Last December, we announced a Kubernetes Cloud Native Platform in partnership with Rancher Labs. Built on Canonical’s Distribution of Kubernetes and Rancher 2.0, the Cloud Native Platform will simplify enterprise usage of Kubernetes with seamless user management, access control, and cluster administration. Join our webinar to get a tour of the platform!

  • Mozilla's Common Voice Project, Red Hat Announces Vault Operator, VirtualBox 5.2.10 Released and More

    Participate in Mozilla's open-source Common Voice Project, an initiative to help teach machines how real people speak: "Now you can donate your voice to help us build an open-source voice database that anyone can use to make innovative apps for devices and the web."

  • Collabora Online 3.2 Supports Chart Creation, Other Features

    A new version of Collabora Online is now available, the web-based open-source office suite derived from the cloud version of LibreOffice.

  • DragonFlyBSD Kernel Gets Some SMP Improvements

    It looks like the DragonFlyBSD 5.4 release will be delivering at least a few kernel-level performance improvements.

    It turns out just hours after wrapping up the latest BSD vs. Linux benchmarks, Matthew Dillon pushed a few performance tweaks to the Git tree for DragonFly.

  • Best Open Source 3D Printers

    In simplest terms, an open source 3D printer refers to a 3D printer whose hardware and software information are available to the public, typically under a license. The information can be used by anyone to build, modify, or improve the 3D printer.

    If you’re looking for real open source 3D printers, then you’ve come to the right place. In this guide, we introduce you to completely open source 3D printers. The hardware and software information of all the products listed here can be easily found on the internet.

Microsoft Linuxwashing and Research Openwashing

Filed under
Microsoft

Why Everyone should know vim

Filed under
Software
HowTos

Vim is an improved version of Vi, a known text editor available by default in UNIX distributions. Another alternative for modal editors is Emacs but they’re so different that I kind of feel they serve different purposes. Both are great, regardless.

I don’t feel vim is necessarily a geeky kind of taste or not. Vim introduced modal editing to me and that has changed my life, really. If you have ever tried vim, you may have noticed you have to press “I” or “A” (lower case) to start writing (note: I’m aware there are more ways to start editing but the purpose is not to cover Vim’s functionalities.). The fun part starts once you realize you can associate Insert and Append commands to something. And then editing text is like thinking of what you want the computer to show on the computer instead of struggling where you at before writing. The same goes for other commands which are easily converted to mnemonics and this is what helped getting comfortable with Vim. Note that Emacs does not have this kind of keybindings but they do have a Vim-like mode - Evil (Extensive Vi Layer). More often than not, I just need to think of what I want to accomplish and type the first letters. Like Replace, Visual, Delete, and so on. It is a modal editor after all, meaning it has modes for everything. This is also what increases my productivity when writing files. I just think of my intentions and Vim does the things for me.

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Graphics: Intel and Mesa 18.1 RC1 Released

Filed under
Graphics/Benchmarks
  • Intel 2018Q1 Graphics Stack Recipe

    Last week Intel's Open-Source Technology Center released their latest quarterly "graphics stack recipe" for the Linux desktop.

    The Intel Graphics Stack Recipe is the company's recommended configuration for an optimal and supported open-source graphics driver experience for their Intel HD/UHD/Iris Graphics found on Intel processors.

  • Mesa 18.1-RC1 Released With The Latest Open-Source 3D Driver Features

    Seemingly flying under our radar is that Mesa 18.1 has already been branched and the first release candidate issued.

    While the Mesa website hasn't yet been updated for the 18.1 details, Dylan Baker appears to be the release manager for the 18.1 series -- the second quarter of 2018 release stream.

Exploring Contributors Centrality Over Time

Filed under
Development
KDE

At the end of my previous post we concluded with yet another question. Indeed, on the 2017 KDEPIM contributor network we found out that Christian Mollekopf while being a very consistent committer didn't appear as centrality as we would expect. Yet from the topology he seemed to act as a bridge between the core contributors and contributors with a very low centrality. This time we'll try to look into this and figure out what might be going on.

My first attempt at this was to try to look into the contributor network on a different time period and see how it goes. If we take two snapshots of the network for the two semesters of 2017, how would it look? Well, easy to do with my current scripts so let's see!

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KDE: Elisa 0.1.1, KDE Plasma 5.13 and More

Filed under
KDE
  • 0.1.1 Release of Elisa

    The Elisa team is happy to announce the first bug fix release for the 0.1 version.

  • KDE Plasma 5.13 Is Making Great Improvements On Its Wayland Support

    KDE Plasma 5.13 that is due for release in June will have a great number of improvements to its Wayland support for allowing the KDE Plasma desktop to work much better on this alternative to the X.Org Server.

    KDE developer Roman Gilg has provided a nice summary of some of the Wayland improvements in the queue for the Plasma 5.13.0 release due out towards the middle of June.

  • This week in Usability & Productivity, part 15

    I’ve initiated a big project: overhauling KDE Open & Save dialogs for greater usability and productivity.

  • Latte bug fix release v0.7.5

    Latte Dock v0.7.5   has been released containing important fixes and improvements! Hopefullly this is going to be the last stable version for v0.7.x family. During the next months the next stable branch (v0.8.x) is going to appear.

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More in Tux Machines

GitLab Web IDE

  • GitLab Web IDE Goes GA and Open-Source in GitLab 10.7
    GitLab Web IDE, aimed to simplify the workflow of accepting merge requests, is generally available in GitLab 10.7, along with other features aimed to improve C++ and Go code security and improve Kubernets integration. The GitLab Web IDE was initially released as a beta in GitLab 10.4 Ultimate with the goal of streamlining the workflow to contribute small fixes and to resolve merge requests without requiring the developer to stash their changes and switch to a new branch locally, then back. This could be of particular interest to developers who have a significant number of PRs to review, as well as to developers starting their journey with Git.
  • GitLab open sources its Web IDE
    GitLab has announced its Web IDE is now generally available and open sourced as part of the GitLab 10.7 release. The Web IDE was first introduced in GitLab Ultimate 10.4. It is designed to enable developers to change multiple files, preview Markdown, review changes and commit directly within a browser. “At GitLab, we want everyone to be able to contribute, whether you are working on your first commit and getting familiar with git, or an experienced developer reviewing a stack of changes. Setting up a local development environment, or needing to stash changes and switch branches locally, can add friction to the development process,” Joshua Lambert, senior product manager of monitoring and distribution at GitLab, wrote in a post.

Record Terminal Activity For Ubuntu 16.04 LTS Server

At times system administrators and developers need to use many, complex and lengthy commands in order to perform a critical task. Most of the users will copy those commands and output generated by those respective commands in a text file for review or future reference. Of course, “history” feature of the shell will help you in getting the list of commands used in the past but it won’t help in getting the output generated for those commands. Read
more

Linux Kernel Maintainer Statistics

As part of preparing my last two talks at LCA on the kernel community, “Burning Down the Castle” and “Maintainers Don’t Scale”, I have looked into how the Kernel’s maintainer structure can be measured. One very interesting approach is looking at the pull request flows, for example done in the LWN article “How 4.4’s patches got to the mainline”. Note that in the linux kernel process, pull requests are only used to submit development from entire subsystems, not individual contributions. What I’m trying to work out here isn’t so much the overall patch flow, but focusing on how maintainers work, and how that’s different in different subsystems. Read more

Security: Updates, Trustjacking, Breach Detection

  • Security updates for Monday
  • iOS Trustjacking – A Dangerous New iOS Vulnerability
    An iPhone user's worst nightmare is to have someone gain persistent control over his/her device, including the ability to record and control all activity without even needing to be in the same room. In this blog post, we present a new vulnerability called “Trustjacking”, which allows an attacker to do exactly that. This vulnerability exploits an iOS feature called iTunes Wi-Fi sync, which allows a user to manage their iOS device without physically connecting it to their computer. A single tap by the iOS device owner when the two are connected to the same network allows an attacker to gain permanent control over the device. In addition, we will walk through past related vulnerabilities and show the changes that Apple has made in order to mitigate them, and why these are not enough to prevent similar attacks.
  • What Is ‘Trustjacking’? How This New iOS Vulnerability Allows Remote Hacking?
    This new vulnerability called trustjacking exploits a convenient WiFi feature, which allows iOS device owners to manage their devices and access data, even when they are not in the same location anymore.
  • Breach detection with Linux filesystem forensics
    Forensic analysis of a Linux disk image is often part of incident response to determine if a breach has occurred. Linux forensics is a different and fascinating world compared to Microsoft Windows forensics. In this article, I will analyze a disk image from a potentially compromised Linux system in order to determine the who, what, when, where, why, and how of the incident and create event and filesystem timelines. Finally, I will extract artifacts of interest from the disk image. In this tutorial, we will use some new tools and some old tools in creative, new ways to perform a forensic analysis of a disk image.