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More in Tux Machines

Red Hat, IBM and Fedora's Kernel

  • CodeReady Workspaces devfile, demystified

    With the exciting advent of CodeReady Workspaces (CRW) 2.0 comes some important changes. Based on the upstream project Eclipse Che 7, CRW brings even more of the “Infrastructure as Code” idea to fruition. Workspaces mimic the environment of a PC, an operating system, programming language support, the tools needed, and an editor. The real power comes by defining a workspace using a YAML file—a text file that can be stored and versioned in a source control system such as Git. This file, called devfile.yaml, is powerful and complex. This article will attempt to demystify the devfile.

  • Building freely distributed containers with Podman and Red Hat UBI

    DevNation tech talks are hosted by the Red Hat technologists who create our products. These sessions include real solutions and code and sample projects to help you get started. In this talk, you’ll learn about building containers with Podman and Red Hat Universal Base Image (UBI) from Scott McCarty and Burr Sutter. We will cover how to build and run containers based on UBI using just your regular user account—no daemon, no root, no fuss. Finally, we will order the de-resolution of all of our containers with a really cool command. After this talk, you will have new tools at the ready to help you find, run, build, and share container images.

  • Backfitting SLES 12 for IBM z15 – It’s in Our DNA

    For 20 years, SUSE has partnered with IBM to advance Linux on Z. From the early days of the IBM Linux Tech Center to an elaborate open source ecosystem, you might say that supporting IBM Z is part of our DNA. Several months ago, SUSE included support for the newly announced IBM z15 and IBM LinuxONE III systems as part of SLES 15. Now, with SUSE Linux Enterprise Server for IBM Z and LinuxONE 12 SP5, we are backfitting all the latest IBM Z support for pervasive encryption and more. The latest IBM z15 system is designed to support your mission-critical initiatives and allow you to be innovative as you design and scale your environment. Combined with SUSE Linux Enterprise Server for IBM Z and LinuxONE, these state-of-the-art systems provide an ultra-secure data serving platform to support the global economic growth we are seeing today.

  • Contribute at the Fedora Test Week for Kernel 5.4

    The kernel team is working on final integration for kernel 5.4. This version was just recently released, and will arrive soon in Fedora. This version has many security fixes included. As a result, the Fedora kernel and QA teams have organized a test week from Monday, December 09, 2019 through Monday, December 16, 2019. Refer to the wiki page for links to the test images you’ll need to participate. Read below for details.

Linux 5.5 Kernel Development: Latest

  • Re: [GIT PULL] treewide conversion to sizeof_member() for v5.5-rc1
    On Sat, Dec 7, 2019 at 11:48 AM Kees Cook wrote:
    >
    > Please pull this mostly mechanical treewide conversion to the single and
    > more accurately named sizeof_member() macro for the end of v5.5-rc1.
    
    So this one I'm _still_ not convinced about. It makes yet another name
    for something we've had before, which just annoys me. And maybe it's
    the 13-year old in me, but "sizeof_member()" just makes me go "that's
    puerile".
    
    I _can_ see why we'd want to standardize on one of the tree versions
    we have, but I can't really see the problem with the existing #define
    that we have, and that is used (admittedly not all that much):
    sizeof_field().
    
  • Linus Rejects "Size Of Member" Change From Linux 5.5 Kernel

    This weekend was the last-minute pull request by Google's Kees Cook to introduce the new sizeof_member() macro that had been previously rejected from Linux 5.4. Well, it was again rejected by Linus Torvalds prior to tagging the Linux 5.5-rc1 kernel. The sizeof_member() macro has been aimed to unify 2~3 other macros within the kernel tree currently and using the size-of-field moniker, but Cook argued that for measuring the size of a member of a C struct, the new macro is more appropriate and converted usage of the old macros to this new single macro.

  • WireGuard Sends Out Latest Patch Revision In Preparing For Linux 5.6

    While there are some pretty great features for Linux 5.5, one that didn't make it quite in time was the long-awaited introduction of WireGuard as the in-kernel secure VPN tunnel. While it was a bummer it didn't make 5.5, all indications are at this point is that it will be in Linux 5.6. With Linux 5.5 the crypto subsystem adopted some elements of WireGuard's "Zinc" crypto code and that in turn opened the door for merging WireGuard now that the cryptography side was sorted out. But WireGuard was too late for introduction in net-next even with a last minute attempt trying to get it into 5.5, but instead it's aiming early for merging to net-next to ensure it's timely introduction with Linux 5.6.

Android Leftovers

Breathe Life Back Into Your Late 2013 Or Older Apple Mac With Linux

I receive a ton of great questions about using Linux, but it’s challenging to answer them all personally. Going forward, I’ve decided to write answers to some of these questions so a wider audience can benefit from them. One recurring theme that’s constantly hitting my inbox centers around installing Linux on an older MacBook. Read more