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Leftovers: Kernel

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Linux
  • GNU Linux-libre Kernel 4.4 Officially Released for Those Who Want 100% Freedom

    The guys over at the GNU Linux-libre project have had the great pleasure of announcing the release and immediate availability for download of the GNU Linux-libre 4.4 kernel on January 10, 2016.

  • With Skylake Out, It's Becoming Easier To Build A Cheap Haswell Xeon Linux System

    Now that Skylake Xeon processors are appearing at major Internet retailers in sufficient quantities (such as the recently reviewed Intel Xeon E3 1245 v5), prices on older-generation Xeon CPUs are falling further. With prices on DDR3, SSDs, and Haswell-compatible motherboards also continuing to fall, it's possible to build a sufficiently powerful yet cheap Haswell Xeon system.

  • The Intel Graphics Highlights Of The Linux 4.5 Kernel
  • Neat drm/i915 stuff for 4.5

    Kernel version 4.4 is released, it's time for our regular look at what's in store for the Intel graphics driver in the next release.

  • Intel Knights Landing Perf Support Comes To Linux 4.5

    Ingo Molnar has already been sending in his many Git pull requests for the newly-opened Linux 4.5 merge window.

  • Cgroup v2 Is To Be Made Official With Linux 4.5

    The cgroup v2 interface will be made official with the in-development Linux 4.5 kernel.

    Maintainer Tejun Heo sent in the cgroup changes today for the Linux 4.5 merge window. About the new interface he notes, "cgroup v2 interface is now official. It's no longer hidden behind a devel flag and can be mounted using the new cgroup2 fs type. Unfortunately, cpu v2 interface hasn't made it yet due to the discussion around in-process hierarchical resource distribution and only memory and io controllers can be used on the v2 interface at the moment."

  • 4.4 Linux Kernel Long-Term Support Release is Now Available

    Linus Torvalds yesterday released the Linux 4.4 kernel. This is a long-term support (LTS) release, as was determined at the Linux Kernel Summit and announced in October by Greg Kroah-Hartman, who will maintain it for 2 years.

    This release checks in at more than 20.8 million lines of code, which is up considerably from Version 4.1, released in June 2015 with slightly more than 19.5 million lines of code, according to Phoronix. For historical comparison, version 0.01 of the Linux kernel -- released in 1991 -- had just 10,239 lines of code (source: Wikipedia).

  • LinuxChanges

    Summary: This release adds support for 3D support in virtual GPU driver, which allows 3D hardware-accelerated graphics in virtualization guests; loop device support for Direct I/O and Asynchronous I/O, which saves memory and increases performance; support for Open-channel SSDs, which are devices that share the responsibility of the Flash Translation Layer with the operating system; the TCP listener handling is completely lockless and allows for faster and more scalable TCP servers; journalled RAID5 in the MD layer which fixes the RAID write hole; eBPF programs can now be run by unprivileged users, they can be made persistent, and perf has added support for eBPF programs aswell; a new mlock2() syscall that allows users to request memory to be locked on page fault; and block polling support for improved performance in high-end storage devices. There are also new drivers and many other small improvements.

More in Tux Machines

postmarketOS in 2020-02

Long time readers may ask themselves: what's with the strange title? Where's the traditional "xyz days of postmarketOS" post? Truth is, that this is a low-key update post, one that is rather "rushed out" in a few hours instead of spending a whole week on adding all the fancy photos and gifs webm animations and so on. Consider this the minimal effort of making the project not look dead on the homepage, while not getting too distracted from the deep development lands that our minds are sunken into. We are on track with our project direction 2020 plans. In a nutshell, we will create a stable releases of postmarketOS based on Alpine stable, while still having the development channel based on Alpine edge. Furthermore, the status of supported devices will become clearer. The PinePhone, possibly the Librem 5 and few more will be labeled as officially supported in their deviceinfo and in the wiki. postmarketOS should be usable as daily driver on these. All other devices will be categorized further, depending on active maintainer count and what is working. Think of it like the AUR: still useful, but sometimes broken and you need to know what you are doing when using these. The devices will get split into their own git repository, so one can use the device packages with both the "edge" and "latest" (stable!) channel of all other packages. @ollieparanoid and @Minecrell are evolving pmbootstrap as needed. Read more

Android Leftovers

KDE: Cutelyst 2.10.0 and SimpleMail 2, Okular Examined, FOSDEM & Plasma Mobile Sprint

  • Cutelyst 2.10.0 and SimpleMail v2 released!

    Cutelyst the C++/Qt Web framework and SimpleMailQt just got new releases. Cutelyst received many important bugfixes and if you are compiling it with View::Email it also requires SimpleMail 2, the latter got an Async API which is on production for a few months, allowing for a non-blocking send mail experience.

  • Okular is an open source universal document viewer for Windows, Linux and macOS

    Wouldn't it be nice if you had one program to view them all? That's exactly what Okular does. It's an open source universal document viewer for Windows, Linux and macOS. The program is made by KDE, a name Linux users should be familiar with, among other creations they are the ones behind the popular Kubuntu (Ubuntu + KDE Software) distro. Let's begin touring the interface. The sidepanel on the left can be used to jump to the Contents, Thumbnails, Reviews and Bookmarks sections. Select one of the options and the list of corresponding items are displayed in the panel to the right of the sidebar. The Contents option lists each section/chapter in a document, along with the sub-items, page numbers, etc. The Thumbnail mode pane displays a preview of each page in the document, you can scroll through it and click to go to the selected page. The Reviews pane contain the annotations that have been made on the document. If you don't have any, you can add some by hitting the F6 key or from the Tools menu > Review. Bookmarks are custom links that you have added, i.e., if you bookmark a page it will be displayed in the side-panel for future reference. Hit Ctrl + B to bookmark a page.

  • FOSDEM & Plasma Mobile Sprint

    Last week I decided to take KDE Itinerary for a test tour. Between the train rides there was also time for some KDE stuff. FOSDEM After writing an exam on Friday afternoon I took a train to Frankfurt. I did so not to enjoy the beautiful scenery of the area around Frankfurt central station at night but to be able to catch an early train towards Bruxelles for my first time at FOSDEM. It has been a great experience to meet so many people interested in what KDE does at the KDE booth. It also was awesome to meet all the folks that are working hard on making Linux on the phone become a thing.

Want to be an innovative company? Adopt enterprise open source

Nearly all IT professionals (95%) agree that enterprise open source is important, with 75% of professionals citing it as "extremely important," a Red Hat report found. Enterprise open source isn't just a trend, but a growing movement, as 77% of respondents expect their organizations to increase open source use in the next 12 months. "Historically, open source was seen [mainly] in web infrastructure," said Gordon Haff, Red Hat technology evangelist. "What you're seeing today is how open source is becoming a space where companies and individuals come together to collaborate in new areas of technology." Read more