Bonum Certa Men Certa

Links 06/04/2023: New Stable Kernels, Flatpak in OpenEmbedded, More Layoffs in GAFAM



  • GNU/Linux

    • Kernel Space

      • LWNLinux 6.1.23
      • LWNLinux 6.2.10
        I'm announcing the release of the 6.2.10 kernel.
        
        

        All users of the 6.2 kernel series must upgrade.

        The updated 6.2.y git tree can be found at: git://git.kernel.org/pub/scm/linux/kernel/git/stable/linux-stable.git linux-6.2.y and can be browsed at the normal kernel.org git web browser: https://git.kernel.org/?p=linux/kernel/git/stable/linux-s...

        thanks,

        greg k-h
    • Applications

      • Linux LinksBest Free and Open Source Graphical SSH Frontends

        SSH or Secure Shell is a cryptographic network protocol for operating network services securely over an unsecured network. Typical applications include remote command-line, login, and remote command execution, but any network service can be secured with SSH.

        SSH was designed as a replacement for Telnet and for unsecured remote shell protocols such as the Berkeley rsh and the related rlogin and rexec protocols. Those protocols send information, notably passwords, in plaintext, rendering them susceptible to interception and disclosure using packet analysis. The encryption used by SSH is intended to provide confidentiality and integrity of data over an unsecured network, such as the Internet.

    • Instructionals/Technical

      • What Does sudo apt-get update Command do in Ubuntu?

        Are you new to the Linux operating system and wondering what most commands do? Especially the command “sudo apt-get update” is used in almost every tutorial you find online. If that is the case, you are in the right place. This guide will teach you the purpose and use of the sudo apt-get update command in Ubuntu/Linux.

      • How to install boto3 on Amazon Linux 2 – AWS EC2?

        Boto3 is an Amazon Web Services (AWS) provided Python software development kit (SDK) for building applications and making them communicate with various AWS services such as Amazon S3, Amazon EC2, Amazon DynamoDB, and more.

        It helps developers easily create, configure, and manage AWS services for automating tasks and building more complex applications using AWS infrastructure. It further provides a wide range of features and functionality, including easy-to-use APIs, error handling, pagination, and support for both synchronous and asynchronous operations.

      • BeebomHow to Reboot Linux System (6 Methods)

        Linux users often take pride in the fact that they don’t need to reboot their system often, unlike Windows. However, sometimes in order for the changes to take place after a major software update, you may need to reboot even a Linux system. In addition to applying changes after an update, rebooting a system is also a highly effective solution to solve various issues. When you reboot the system, all running programs are removed from the primary memory as the Linux system is shutdown, and the initial boot-up process is followed from the scratch. But, rebooting a Linux system is quite different as compared to its counterparts. In this article, we will share command line and GUI methods for how to reboot your Linux system.

      • Make Use OfHow to List All Physical Ethernet Ports on a Linux Server

        Rack servers are designed to support enterprise-grade systems and operations. Unlike regular servers, rack servers must be resilient and usually contain several physical Ethernet ports or Network Interface Cards (NICs) to be able to connect to several networks at once.

        Apart from rack servers, some industrial or specialized PCs also come with multiple Ethernet ports or NICs.

        Whatever the case, here's how you can find out the number of Ethernet ports on a Linux server without physically going to the server room to inspect.

      • UbuntuUbuntu Blog: Optimise your ROS snap – Part 1

        Do you want to optimise the performance of your ROS snap? We reduced the size of the installed Gazebo snap by 95%!

        This is how you can do it for your snap.

        Welcome to Part 1 of the “optimise your ROS snap” blog series. This series of 6 blogs will show the tools and methodologies to measure and improve the performance of a snap. Throughout the series, we will use the Gazebo snap as an example to demonstrate how to optimise ROS snap.€ 

    • Desktop Environments/WMs

      • K Desktop Environment/KDE SC/Qt

        • Carl SchwanAccessible icon-only buttons in QML

          Buttons are a fundamental element in user interfaces, but it’s easy to make some accessibility mistakes when using icon-only buttons in QML.

          First, please avoid icon-only buttons and only use then, when the icon is very well known (e.g. arrows, delete or favorite icons) and the space is limited.

          In case you still want to use an icon-only button. Make sure to set the text: property and that it is also translatable. Otherwise, a screen reader won’t know that to say about the button. This is because the text: property is used as default value for the Accessible.name: property, so when it is not set Accessible.name is empty and the screen reader can only say that the currently focused control is a button. The trick to have both the text: property set and an icon-only button is to use the display: property and assign it to the AbstractButton.IconOnly.

  • Distributions and Operating Systems

  • Free, Libre, and Open Source Software

    • Events

      • UbuntuUbuntu Blog: Canonical presence at KubeCon + CloudNativeCon Europe 2023

        Canonical, the publishers of Ubuntu, will have a strong presence at this year’s KubeCon + CloudNativeCon Europe as a platinum sponsor. The Cloud Native Computing Foundation’s flagship will once again bring together adopters and technologists from leading open-source and cloud-native communities worldwide to meet in Amsterdam, Netherlands, from April 18th – 21st.€ 

    • Programming/Development

      • Python

        • RlangHow Long Does it Take to Win War?

          My son has been learning Python and wanted to know how many rounds does it take, on average, for someone to win the game of war. If you are not familar with the game, it is a two player game where each player gets half a deck of cards (26).

  • Leftovers

    • LatviaBaltics are bulb bigwigs

      Spring is officially here, and the weather calls for some gardening, provided your garden is not still under snow or a meter of water. Maybe you want to plant€ some flower bulbs? If you do, it may come as a slight surprise that the Baltic states are among the European Union's larger bulb exporters.

    • LatviaLatvia's cultural life took a hit in 2022

      Data published on April 5 by the Central Statistical Bureau of Latvia (CSB) show that due to COVID-19 restrictions, people participated in cultural life, i.e., attended live performances and sports events, visited cultural sites, or went to cinema, notably less in 2022.

    • UN has provided aid to two million people in Turkey after quakes, says spokesperson

      Some six million people are either in temporary shelters or have migrated to regions outside of the earthquake zone following devastating February earthquakes.

    • Solidarity grows with city planners who spoke up after the earthquakes

      Chamber of City Planners İstanbul branch joined the Urban Planning Department of İstanbul Technical University in speaking up about the settlements and reconstruction after the February 6 earthquakes while the university branch of the Eğitim-Sen union called for a gathering on campus today.

  • Gemini* and Gopher

    • Personal

      • what must be said, "must" not be said

        Writing. It sucks. For me. I've done it profusely (right word, yes!) since age 8. My relationship is tattered with it.

        What I like though, as I've discovered, is that the "voice", the words/thoughts of things that "must" be said, "need/must" not be said. What matters is that *I* know that *I* matter - that *my thoughts* and *my voice* (and my perceptions of the world therein), are mine and I want to have them. And that I appreciate THAT I have them.

      • Daniel Boone Regional Library

        I'm at the library. The Daniel Boone Regional Library, in Columbia MO. It's been a while since I've been here, primarily because they adopted very protracted and heavy-handed covid policies that made it pointless for me to come here. But that was then, and this is today. The library is, after these few years, back to normal.

      • Missouri
        The weekend was too damn fast

        "So, as I often do, I went for a drive. I went past the airport and continued on surface streets in St. Louis. Urban decay is most of what I saw as I drove. Buildings in disrepair, most of the windows in entire neighborhoods boarded up. Then I hit downtown and the smell of money was around." gemini://1436.ninja/gemlog/20230406.gmi

      • Missouri (continued)

        So, as I often do, I went for a drive. I went past the airport and continued on surface streets in St. Louis. Urban decay is most of what I saw as I drove. Buildings in disrepair, most of the windows in entire neighborhoods boarded up. Then I hit downtown and the smell of money was around.

    • Politics

      • The Baddies

        The governor of Mississippi just declared April to be "Confederate Heritage Month".

    • Technical

      • M-q in visual-line-mode

        As a compulsive hitter of M-q when I’m too lazy to start auto-fill-mode (and even then a li'l manual triggering is sometimes needed to reflow an overly edited para), that compulsion has an unfortunate habit of crossing over even when I’m on visual-line-mode. I know, I know, set-fill-column FTW, but…

      • Runit again

        I wonder how well runit shortcomings could be patched with a package of additional utilities.

        If there is one thing that will get nerds talking, it's Systemd. And with the percentage of geminispace being populated by us nerds, the recent resurgence of the systemd hate train / apologetics has this place buzzing.

      • hardware

        I was going to write earlier today, but I kept fussing with this device. That happens to me often these days where I am supposed to do something but get distracted doing something else to prep for doing the something.

        This time, the AlphaSmart dana had lost power a few months ago and the digitizer needed re-calibration. Unfortunately, the digitizer has been intermittently faulty and now it has been finally unusable.

      • Musings and news

        My Proton Mail email account was configured to automatically send my PGP publickey and sign outgoing messages. So recipients would receive my publickey and signature as attachments to the email.

        This helps verify my identity online. Unless the recipient has absolutely no idea what PGP is nor what those files mean, then it's utterly confusing when they try to open them and their PC doesn't have a default program configured for opening .asc files. Also, if they do manage to open them with notepad or something and are greeted by the huge block of alphanumeric characters that makes up the publickey, the uncertainty and novelty of what they're looking at might terrify them and they might think it's a virus or something. So I have now configured Proton Mail to not attach those automatically.



        [...]

        I've recently begun thinking about something to contribute to the Gemini/Smolnet community. Like making some kind of web content accessible via Gemini, or even contribute to already-existing projects.
      • Internet/Gemini

        • Gemini vs Web Semantics

          The fewer categories you have, the easier it is to keep things sorted.

          If you have one shelf for plates and another for cutlery, it’s gonna be easier to stick to that than if you have one for forks, one for tablespoons, one for teaspoons etc.

          Too few categories, and it’s not useful; it’s not sorting at all. It’s just one big silo. Arguably that's how I keep a lot of my files, both digitally and physically, and I can still find stuff… most of the time.

        • Is This Thing On

          I forgot how to post on this thing. I made some sort of stupid script to take a markdown file and generate gopher and gemini pages.

          I have been absent from the tildeverse lately. I have had so many other things going on in life that I got distracted. I think I'll go make some popcorn.

        • How I gopher

          Unix makes automating things pretty easy.


* Gemini (Primer) links can be opened using Gemini software. It's like the World Wide Web but a lot lighter.



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