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Kernel: New in Linux 5.16 and EasyOS Adds Linux 3.1.9

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Linux
  • Xen With Linux 5.16 Will Allow For Faster Booting Of Guests - Phoronix

    Xen para-virtualized guests booting on the Linux 5.16 kernel should see noticeably quicker boot times.

    Sent out today were the Xen patches for Linux 5.16. Besides having some code lcean-ups, para-virtualized interrupt masking made simpler, Xen "pciback" driver support for Arm, and other smaller enhancements, there is also work to speed-up guest booting. In particular, the booting up of Xen PV (para-virtualized) guests should be much quicker with Linux 5.16 and beyond.

  • More Of Intel's CXL Enablement Code Arrives For Linux 5.16 - Phoronix

    Intel's open-source Linux engineers continue to be quite busy bringing up CXL interconnect support within the mainline kernel. For the in-development Linux 5.16 is another batch of code landing.

  • Linux kernel 5.10.78 compiled

    Ha ha, that was a short-lived release! EasyOS version 3.1.9 was announced yesterday, and pulled down after being online only a few hours:
    https://bkhome.org/news/202111/easyos-version-319-released.html
    The issue was awful behaviour of Firefox on my Acer Aspire 1 laptop. Perhaps it is a GPU-related problem.
    I have decided not to try and jump over two big puddles. Instead, will jump over just one big puddle, which is the move to pulseaudio. This is bound to have issues. The addition of an extra browser, Firefox or Chrome, in the build, can wait until later.

  • Linux 5.16 Has Early Preparations For Supporting FGKASLR - Phoronix

    Being worked on for more than a year by Intel and other kernel developers has been FGKASLR to enhance kernel security. While the Linux kernel has long supported Address Space Layout Randomization (ASLR) to make memory addresses less predictable, FGKASLR ups the security much more by placing that randomization at the function level. It's looking like FGKASLR could be mainlined soon.

    FGKASLR isn't being picked up for Linux 5.16 but there is preparation work landing in this kernel so hopefully the feature isn't too far out. Finer Grained Kernel Address Space Layout Randomization (or sometimes referred to as Function Granular KASLR) allows for function reordering on top of the base address randomization of ASLR.

    FGKASLR ups the security against kernel attacks requiring known memory locations within the kernel but can cause minor (~1%) performance penalties. Since being first announced in 2020, FGKASLR has been undergoing several rounds of review.

  • Linux 5.16 to bring mainline support to Raspberry Pi 4 Compute Module – and the nifty devices built around it

    While folks straddling the worlds of both Windows and Linux will appreciate the shiny NTFS support in version 5.15 of the open-source kernel, Arm device users may find more to appreciate in the following release.

    Linux kernel 5.16 will include mainline support for the Raspberry Pi 4 Compute Module, as well as the Apple M1 chip's PCI Express controller as Linux inches its way towards a full Linux desktop on M1 Macs.

    This means it should be possible to run a mainline 5.16 kernel on a Raspberry Pi 4 Compute Module without any extra build steps or patches.

    The Raspberry Pi 4 Compute Module is targeted more at system integrators than end-users. Even tinier than the credit-card sized Pi 4, the Compute Modules are designed to plug into larger IO boards, enabling the Pi to power specialist gadgets. The Raspberry Pi Foundation naturally offers one of these boards, and third parties are free to design and flog their own.

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today's howtos

  • How to install go1.19beta on Ubuntu 22.04 – NextGenTips

    In this tutorial, we are going to explore how to install go on Ubuntu 22.04 Golang is an open-source programming language that is easy to learn and use. It is built-in concurrency and has a robust standard library. It is reliable, builds fast, and efficient software that scales fast. Its concurrency mechanisms make it easy to write programs that get the most out of multicore and networked machines, while its novel-type systems enable flexible and modular program constructions. Go compiles quickly to machine code and has the convenience of garbage collection and the power of run-time reflection. In this guide, we are going to learn how to install golang 1.19beta on Ubuntu 22.04. Go 1.19beta1 is not yet released. There is so much work in progress with all the documentation.

  • molecule test: failed to connect to bus in systemd container - openQA bites

    Ansible Molecule is a project to help you test your ansible roles. I’m using molecule for automatically testing the ansible roles of geekoops.

  • How To Install MongoDB on AlmaLinux 9 - idroot

    In this tutorial, we will show you how to install MongoDB on AlmaLinux 9. For those of you who didn’t know, MongoDB is a high-performance, highly scalable document-oriented NoSQL database. Unlike in SQL databases where data is stored in rows and columns inside tables, in MongoDB, data is structured in JSON-like format inside records which are referred to as documents. The open-source attribute of MongoDB as a database software makes it an ideal candidate for almost any database-related project. This article assumes you have at least basic knowledge of Linux, know how to use the shell, and most importantly, you host your site on your own VPS. The installation is quite simple and assumes you are running in the root account, if not you may need to add ‘sudo‘ to the commands to get root privileges. I will show you the step-by-step installation of the MongoDB NoSQL database on AlmaLinux 9. You can follow the same instructions for CentOS and Rocky Linux.

  • An introduction (and how-to) to Plugin Loader for the Steam Deck. - Invidious
  • Self-host a Ghost Blog With Traefik

    Ghost is a very popular open-source content management system. Started as an alternative to WordPress and it went on to become an alternative to Substack by focusing on membership and newsletter. The creators of Ghost offer managed Pro hosting but it may not fit everyone's budget. Alternatively, you can self-host it on your own cloud servers. On Linux handbook, we already have a guide on deploying Ghost with Docker in a reverse proxy setup. Instead of Ngnix reverse proxy, you can also use another software called Traefik with Docker. It is a popular open-source cloud-native application proxy, API Gateway, Edge-router, and more. I use Traefik to secure my websites using an SSL certificate obtained from Let's Encrypt. Once deployed, Traefik can automatically manage your certificates and their renewals. In this tutorial, I'll share the necessary steps for deploying a Ghost blog with Docker and Traefik.