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5 Tricks to Speed Up Compile Times in Gentoo Linux

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Gentoo is a powerful and flexible Linux distribution. With its innovative package manager – Portage – it allows you to sculpt your computer system down to its most basic parts.

This is because Gentoo, by default, requires you to compile all the packages that you want to install. That approach allows you to change compile-time settings. This includes settings for various technologies which would not have been possible in a binary-based distribution.

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Sick of Compiling Gentoo Linux? Then Try the New LiveGUI Distro!

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The Gentoo project has announced a new LiveGUI image in a post on its official blog.

The Gentoo Linux distribution is known for giving users as much manual control over what's installed on the system, to the point where users are encouraged to compile most of Gentoo's software from source to tailor its performance to the user's CPU architecture.

However, the LiveGUI version is intended to allow prospective users to test drive a full desktop system by extracting the image to a USB stick or optical media before committing to the installation process.

True to the distribution's fast-moving nature, Gentoo plans to offer a new LiveGUI version every week.

While the Gentoo project supports multiple architectures, the ISO image is for x86-64 systems. It weighs in at 4.8 GB and can be obtained from Gentoo's download page.

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Gentoo MIPS stages are back!

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After a long break, we finally have up-to-date Gentoo stages for the MIPS architecture available for download again!
The weekly builds cover at the moment for 32-bit mips2 and mips32, for 64-bit mips3 and mips64 in o32, n32, and n64 ABI - and all that for both big and little endian. Should be good as a start for just about every hardware out there.

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Gentoo-Based Porteus Kiosk 5.4 Released with Linux Kernel 5.15 LTS, Various Improvements

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Porteus Kiosk 5.4 is here more than five months after Porteus Kiosk 5.3 to bump the kernel version from Linux 5.10 LTS to the latest long-term supported branch, namely Linux 5.15 LTS, which will receive maintenance updates until October 2023. As you can imagine, this means better hardware support and the ability for Porteus Kiosk to run on more devices.

Besides Linux kernel 5.15 LTS, the Porteus Kiosk 5.4 release is here to add implement the import_certificates= parameter for importing DER certificates, add support for dynamically generated remote configurations to allow you to pass Kiosk identification and settings through specific URLs.

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Is Chrome OS Desktop Linux? 8 Points to Consider

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Do Chromebooks run Linux? This isn't the way they're advertised, for sure. Google doesn't tell you Chromebooks come with Linux. They run Chrome OS, Google's take on what a desktop operating system can be.

But despite how different Chrome OS looks and feels, Chrome OS is based on Linux. So when we talk about Linux, are we also talking about Chrome OS? Here are eight points to consider.

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Also: Steam Alpha Has Finally Arrived on Chromebooks

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More in Tux Machines

This week in KDE: Major accessibility improvements

Though KDE’s goal-setting process is still ongoing, contributors have started working on Plasma accessibility in a major way! As of Plasma 5.26, all Plasma widgets will be fully compatible and usable with a screen reader, thanks to Fushan Wen with assistance from Harald Sitter! Read on

Today in Techrights

Security Leftovers

  • Chinese hackers backdoor chat app with new Linux, macOS malware [Ed: Nowadays the Microsofters in the media are calling "backdoors" things that are simply malware and one has to actually install; of course they like to blame "Linux" (because the user can add malware on top of it). Saying Linux isn't secure because it doesn't prevent you installing malware is like saying bridges are dangerous because you may commit suicide by jumping off them.]

    Versions of a cross-platform instant messenger application focused on the Chinese market known as 'MiMi' have been trojanized to deliver a new backdoor (dubbed rshell) that can be used to steal data from Linux and macOS systems.

  • Linux Threats: A Black Hat 2022 Hot Topic? (Video) [Ed: Aside from patent trolling, Blackberry reinvented itself as anti-Linux FUD source in recent years. They intentionally overlook back doors (e.g. Windows) and blame everything on "Linux".]

    There are usually a few cyberthreat trends that seem to emerge as important themes at each year’s Black Hat conference. And this year, the increase in Linux threats may be one of them.

  • #StopRansomware: Zeppelin Ransomware [Ed: Ransomware is predominantly a Microsoft Windows problem]

    CISA and the Federal Bureau of Investigation (FBI) have released a joint Cybersecurity Advisory (CSA), #StopRansomware: Zeppelin Ransomware, to provide information on Zeppelin Ransomware. Actors use Zeppelin Ransomware, a ransomware-as-a-service (RaaS), against a wide range of businesses and critical infrastructure organizations to encrypt victims’ files for financial gain.

  • CISA Adds Two Known Exploited Vulnerabilities to Catalog

    CISA has added two new vulnerabilities to its Known Exploited Vulnerabilities Catalog, based on evidence of active exploitation. These types of vulnerabilities are a frequent attack vector for malicious cyber actors and pose significant risk to the federal enterprise. Note: to view the newly added vulnerabilities in the catalog, click on the arrow in the "Date Added to Catalog" column, which will sort by descending dates. 

  • Cisco Releases Security Update for Multiple Products

    This vulnerability could allow a remote attacker to obtain sensitive information. For updates addressing lower severity vulnerabilities, see the Cisco Security Advisories page.

today's leftovers

  • Portable Computer Pre-History: Portable Before Laptops

    Portability is relative. When former Texas Instruments employees Rod Canion, Jim Harris and Bill Murto created a portable version of the IBM PC in 1982, it was a hulking device that weight 28 pounds and was roughly the size of a sewing machine. If you sold a desktop computer that weighed 28 pounds in 2018, you’d be laughed off the block. But the device, called the Compaq Portable, was revolutionary for its time and thrust the company that made it into the mainstream. It wasn’t too long before then that a portable computer was so embarrassingly large that you would probably break your legs if you used it as a laptop. Tonight’s Tedium ponders a time when portable computing meant something just a little bit bigger.

  • Fedora Sway OSTree Spin name

    The Fedora Sway SIG is working to create an immutable version of the Sway Spin (also work in progress) using OSTree. Those immutable spins of Fedora are becoming more common following Silverblue and Kinoite’s success. As it often happens, one of the most challenging things to do in creating something is to come up with clever names. This task is made even more complex by the relatively small amount of people active in this conversation. For this reason, during the last SIG meeting, it was decided to socialize this decision so that more people could suggest their ideas.

  • Output requirements.txt packages pinned to latest version
  • How to install OpenSCAD on a Chromebook

    Today we are looking at how to install OpenSCAD on a Chromebook. Please follow the video/audio guide as a tutorial where we explain the process step by step and use the commands below.

  • Stupid SMP Tricks: A Review of Locking Engineering Principles and Hierarchy: paulmck — LiveJournal

    Daniel Vetter put together a pair of intriguing blog posts entitled Locking Engineering Principles and Locking Engineering Hierarchy. These appear to be an attempt to establish a set of GPU-wide or perhaps even driver-tree-wide concurrency coding conventions. Which would normally be none of my business. After all, to establish such conventions, Daniel needs to negotiate with the driver subsystem's developers and maintainers, and I am neither. Except that he did call me out on Twitter on this topic. So here I am, as promised, offering color commentary and the occasional suggestion for improvement, both of Daniel's proposal and of the kernel itself. The following sections review his two posts, and then summarize and amplify suggestions for improvement.

  • Ubuntu Unity 22.04 Quick overview #linux #UbuntuUnity - Invidious
  • FOSS Force Open Source News Quiz (8/12/22) - FOSS Force

    How closely did you follow the news about Linux and free and open source software this week? You can get an idea about how well informed you are (and have some fun in the process) by taking our Open Source News Quiz. Once you’re done, scroll down to the comments section and let us know how you did!