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Linux 5.5 Merges and News

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Linux
  • Linux 5.5 Can Boot The Modem Processor On Snapdragon 835 - Needed For Cell/WiFi On Qualcomm Laptops

    With the Linux 5.4 cycle we saw mainline support beginning to come together for some Qualcomm ARM Linux laptops while with Linux 5.5 another milestone is being achieved. There has been out-of-tree support in the works for getting the various consumer Snapdragon laptops working with Linux while those changes are slowly getting into the mainline kernel.

    The newest milestone comes with the remoteproc updates for Linux 5.5 and that is the ability to boot the modem processor on the Qualcomm MSM8998 (Snapdragon 835).

  • With Approaching Another Year Closer To Year 2038, Linux 5.5 Brings More Y2038 Fixes

    With approaching another year closer to the Year 2038 problem, where on 19 January 2038 the number of seconds for the Unix timestamp can no longer be stored in a signed 32-bit integer, Linux 5.5 is bringing more Y2038 preparations.

    Y2038 fixes have been ongoing for years to mitigate the kernel against the Year 2038 problem, particularly for 32-bit platforms. Most of the Year 2038 preparations have been made to the Linux kernel to transition to 64-bit time_t even on 32-bit architectures, among other workarounds.

  • AMD IOMMU Driver Reworked For Linux 5.5

    With the IOMMU updates for the Linux 5.5 kernel there is a major rework to the AMD IOMMU driver to make use of more common DMA IOMMU code for implementing the DMA API but with an admitted risk of potential new regressions.

    The AMD IOMMU Linux driver now makes use of the "dma-iommu" kernel code that allows the driver to be lightened up by several hundred lines of code thanks to the code sharing/re-use. Besides the DMA IOMMU changes, the AMD IOMMU driver now also has multiple PCI DMA alias support.

More in Tux Machines

The 15 Best Raspberry Pi 4 Projects For Pi Enthusiasts in 2021

Since its release, the Raspberry Pi 4 has been getting a lot of attention from hobbyists because of the noteworthy changes it came with. The CPU got more powerful, got an amazing ability to run dual 4K displays, and the gigabyte ethernet has increased the overall performance. Getting all these amazing features at such a low price is sure to make you go crazy! Even we were confused at first about which projects will be the best choice with the new Pi. After much research and experiments, we came with these 15 Raspberry Pi 4 projects that every Pi geek should try at least once with the newly improved Pi. Read more

today's leftovers

  • Try Jed as your Linux terminal text editor | Opensource.com

    You may have heard about Emacs and Vim and Nano, the quintessential Linux text editors, but Linux has an abundance of open source text editors, and it's my goal to spend December giving 31 of them a fair go. In this article, I look at Jed, a terminal-based editor featuring a handy drop-down menu, which makes it especially easy for users who are new to terminal editors, as well as those who just don't like remembering keyboard combinations for every function.

  • PAPPL 1.0 RC1 Released With A Goal To Replace CUPS Printer Drivers - Phoronix [Ed: They would be wiser not to use GitHub]

    CUPS printing system founder Michael Sweet who left Apple last year and that left CUPS in a stagnate position (as of writing, still no commits to their Git repository since April) while Sweet continues pushing ahead with his new and modern "PAPPL" effort. PAPPL is the printer application framework being worked on by Michael Sweet over the past year for developing CUPS Printer Applications as a replacement to the conventional CUPS printer drivers. PAPPL supports JPEG / PNG / PWG Raster / Apple Raster / raw printing to printers via USB or network connections and supports an embedded IPP Everywhere service.

  • Design of the CRLite Infrastructure

    Firefox is the only major browser that still evaluates every website it connects to whether the certificate used has been reported as revoked. Firefox users are notified of all connections involving untrustworthy certificates, regardless the popularity of the site. Inconveniently, checking certificate status sometimes slows down the connection to websites. Worse, the check reveals cleartext information about the website you’re visiting to network observers. We’re now testing a technology named CRLite which provides Firefox users with the confidence that the revocations in the Web PKI are enforced by the browser without this privacy compromise. This is a part of our goal to use encryption everywhere. (See also: Encrypted SNI and DNS-over-HTTPS)

  • AWS Open Sources Graph Notebook

    AWS has open-sourced Graph Notebook, a tool that provides data scientists with an easy way to interact with graph databases using Jupyter notebooks.

Lenovo ThinkPad X1 Yoga: 6 month impressions

I’ve now had my Lenovo ThinkPad X1 Yoga laptop for about 6 months, so I thought I’d provide a quick update about how it’s going to use this laptop every day with openSUSE Tumbleweed running KDE Plasma. Let’s explore what’s changed since then... Initially, I complained about some aspects of the keyboard layout, but I’ve gotten used to the Home/End/PageUp/PageDown positioning, and the swapped position of the Fn and Ctrl keys. These are fine now. Lack of media keys is okay too since I’ve used the Shortcuts KCM to set my own. However I just can’t get used to the PrintScreen key being between the right Alt and Ctrl keys. I probably press it by accident 10 times a day and bring up Spectacle when I don’t mean to. One of these days I should get around to using xmodmap or something to turn it into a right Meta key, and they maybe make the F11 key which currently does nothing be the new PrintScreen key. Read more

today's howtos

  • How To Launch Fish Shell In Private Mode In Linux - OSTechNix

    Fish shell ships with many cool features by default. One such feature is Private Mode. In this brief guide, we will see how to launch Fish shell in private mode in Linux to avoid storing commands in history file. In other words, we will see how to enable incognito mode in Fish shell. As you know already, nothing gets logged in incognito mode.

  • Linux inodes Explained - YouTube

    What are inodes in Linux? How do they work? What really happens when you type 'ls -l' into the Linux command line?

  • How To Install Firefox on Ubuntu 20.04 LTS - idroot

    In this tutorial, we will show you how to install Firefox on Ubuntu 20.04 LTS. For those of you who didn’t know, Firefox is the default web browser in a number of Linux distributions and Ubuntu is one of them. Firefox comes preinstalled in Ubuntu unless you are using Ubuntu minimal version. Some of the outstanding features in this release are the new Firefox Privacy Protection Report and a secure password generation with Lockwise. 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 through the step by step installation of Mozilla Firefox on Ubuntu 20.04 (Focal Fossa). You can follow the same instructions for Ubuntu 18.04, 16.04, and any other Debian based distribution like Linux Mint.

  • How to Enable Third-Party Repositories in Fedora Linux

    After you install Fedora, you may discover that some of the software that you want to install and use is not available in the software store. These packages may not be in the Fedora repos for several reasons. Don’t worry, I’ll tell you how to make them available by adding third party repos for Fedora.

  • Finding rogue devices in your network using Nmap | Enable Sysadmin

    What is Nmap, and why do I want to use it? Finding rogue devices on your network is a good start.

  • Oracle Linux 8: Remote Management made easy with short training videos

    This week’s blog presents a set of short videos on how to establish secure connections to remote Oracle Linux 8 systems. With secure connections, all traffic transmitted over the wire is encrypted and protected from password sniffing attacks and other outside monitoring.

  • Oracle Linux 8: Networking made easy with free videos

    This week’s blog presents a set of free, short videos on performing network configuration functions on Oracle Linux 8. Being able to configure networks is an essential skill to access programs, storage and data on remote systems. This video series also covers firewall configuration required to keep your networks safe and secure from intruders.

  • Oracle Linux 8: Administration made easy with free videos

    Now that you’ve had a chance to learn about Oracle Linux 8 installation – you did check out the prior blog – right? You’ll want to continue learning Oracle Linux 8 by delving into the next set of free, short videos on some common administration tasks that you can perform on Oracle Linux 8. These videos are applicable for deployment via on-premises systems or Oracle Cloud Infrastructure instances.