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Leftovers and Software

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  • Boston Dynamics ‘Spot’ Goes on Sale for Just $74,500

    Spot Core, for the curious, includes a Core i5 9th Gen Whiskey Lake CPU (unspecified model), 16GB of RAM, 512GB of storage, runs Ubuntu 18.04 LTS, and connects directly to the payload port to draw power.


    Taking a stand on what its products can and cannot be used for is a smart move, particularly right now. Boston Dynamics has done significant work with the US military through projects like Big Dog and Spot, and while it’s always highlighted the ways its robots could be used to protect human life, it’s clearly considering how those products may be perceived by the public.

  • Simple application sandboxing using AppArmor and Firejail
  • QUIC with wolfSSL

    We have started the work on extending wolfSSL to provide the necessary API calls to power QUIC and HTTP/3 implementations!

    Small, fast and FIPS

    The TLS library known as wolfSSL is already very often a top choice when users are looking for a small and yet very fast TLS stack that supports all the latest protocol features; including TLS 1.3 support – open source with commercial support available.

    As manufacturers of IoT devices and other systems with memory, CPU and footprint constraints are looking forward to following the Internet development and switching over to upcoming QUIC and HTTP/3 protocols, wolfSSL is here to help users take that step.

  • HomeBank personal accounting review

    HomeBank is a completely free accounting software package aimed at helping people get their finances in order and who subsequently want to keep them that way. It features an easy-to-use interface that comes complete with lots of cool visual tools that let you produce charts to illustrate your current state of monetary play.

    Admittedly, HomeBank doesn’t come with quite the same level of sophistication found within rival paid-for applications, but as a quick accounting resource for folks with basic requirements it ticks a lot of boxes.

  • Input events on X have an old world and a new world

    As part of X's evolution over time, input event handling has gone through a practical change, although one that is what you could call unevenly distributed. The original X protocol has input events, of course, which are sometimes now called core input events. You can see what core events are generated from various activities through the venerable xev program, and many straightforward X programs continue to interact only with core events.

    However, core input events have limitations that date from X's origins. Core input events are only really designed to deal with straightforward keyboards and mice with buttons. Even mouse scroll wheels have an awkward representation in core X events; moving the scroll wheel actually generates mouse button events for pressing and releasing button 4 or 5 (for normal, implicitly vertical scroll wheels). I don't think there's anything in the X protocol that reserves these buttons for scroll wheels, it's just a convention that people came up with when they started needing to handle scroll wheels in X.

  • New release: Tor

    There's a new alpha release available for download. If you build Tor from source, you can download the source code for from the download page. Packages should be available over the coming weeks, with a new alpha Tor Browser release by early July.

    Remember, this is an alpha release: you should only run this if you'd like to find and report more bugs than usual.

VLC 3.0.11 Released (and How to Install That)

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  • VLC 3.0.11 Released with HLS, AAC Playback Improvements

    VLC media player 3.0.11 was released a day ago as the twelfth update of “Vetinari” branch.


    The official Snap package (runs in sandbox) has been updated. You can install it from Ubuntu Software.

    Already installed the Snap package? It will be updated to the latest automatically.

  • Install VLC Media Player 3.0.11 On Ubuntu / Linux Mint / Fedora

    VLC player a free open source multimedia player and available for all opertaing systems Windows,MacOS,iOS,Android, and Linux.

    It is one of the most preferred players by users because it supports all video formats and also audio formats too.It also supports Multimedia files from DVD, VCD and Audio CD and etc.

    VLC media player 3.0.11 supports 4K and 8K Playback by enabling hardware decoding and supports streaming to Google Chromecast devices

    VLC media player for android also updated to version 3.0 and also supports hardware decoding for VC1/WMV3 and MPEG2 streams.

    In this tutorial, i will show you how to install the latest stable version of VLC 3.0.11 On Ubuntu 20.04 / 18.04 LTS, LinuxMint 19, Debian, and Fedora.

sndcpy Forwards Audio From Android 10 To Linux, Windows Or macOS Desktop (Like scrcpy But For Audio)

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sndcpy is like scrcpy, but for audio. This new tool forwards audio from an Android 10 device to a desktop computer running Linux, Windows or macOS.

You can use sndcpy to enable audio forwarding while mirroring your Android device to your desktop with scrcpy, the low-latency, high performance, free and open source tool to display and control android devices from a desktop. scrcpy ("screen copy") itself doesn't do audio forwarding, and this is where sndcpy ("sound copy") comes in.

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New release: Tor

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There's a new alpha release available for download. If you build Tor from source, you can download the source code for from the download page. Packages should be available over the coming weeks, with a new alpha Tor Browser release by early July.

Remember, this is an alpha release: you should only run this if you'd like to find and report more bugs than usual.

Read more

Also: How to Set Up a Tor Proxy with Raspberry Pi

Getting started with Double Commander

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Double Commander is a free and open source dual pane file manager. It is an excellent file manager, especially for those who prefer a consistent file manager experience, while trying out different Linux desktop environments. This article assists you with getting Double Commander installed and configured on your Linux system.

Each desktop environment ships with its own file manager: Nautilus on Gnome, Dolphin on KDE, Thunar on XFCE, etc. Working in the file manager forms and integral part of my daily PC work flow. Therefore I do not enjoy being forced to switch to a different file manager, each time I try out a different desktop environment on Linux. Additionally, I really enjoy dual pane file managers. If you recognize yourself in these file manager preferences, then I can highly recommend giving Double Commander a try.

Alexander Koblov develops and maintains Double Commander and he selected the Lazarus IDE for programming Double Commander. Here is an appetizer of what Double Commander looks like, while I am writing this article:

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Software Leftovers

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  • Modprobe Command in Linux
  • Melissa Wen: Status update - connected errors
  • OpenDev CI speed-up for AArch64

    I work with OpenDev CI for a while. My first Kolla patches were over three years ago. We (Linaro) added AArch64 nodes few times — some nodes were taken down, some replaced, some added.

  • Linux-Fu: Automation For Chrome And The Desktop By Matching Screenshots

    I will be the first to admit it. This is almost not — at least not specifically — a Linux article. The subject? An automation tool for Chrome or Firefox. But before you hit the back button, hear me out. Sure, this Chrome plugin started out as a tool to automatically test web pages and automate repetitive tasks in the browser. However, it can extend that power to all programs on your computer. So, in theory, you can use it to graphically build macros that can interact with desktop applications in surprisingly sophisticated ways. In theory, anyway; there are a few problems.

    The program has a few different names. Most documentation says UI Vision RPA, although there are some references to Kantu, which appears to be an older name. RPA is an acronym for Robotic Process Automation, which is an industry buzz word.

  • Transmission review

    Transmission is one of the rare torrent clients that comes with a solution for embedded hardware like NAS and home servers. It is free, open source, and offers impressively fast performance levels.


    Transmission provides a better user experience compared to the complexity of competing services such as uBittorrent, Tixati and Vuze.

    What makes Transmission great from the user experience standpoint is that it can be configured to download files from folders, RSS feeds or any other source without having to control it manually. Downloading automatically from preferred sources as soon as the content is made available is a very helpful feature indeed.

    Transmission desktop clients can be remotely controlled, too, like most other torrent apps.

    Transmission’s interface is easy to use. In fact, it has the most barebones UI of all torrent clients, and strikes the right balance between functionality and simplicity. Its minimal UI, with no distracting adverts, is another highlight.

Perform Common PDF Editing Tasks Like Merge, Split, Rotate With Free and Open Source PDF Mix Tool

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PDF Mix Tool is a simple, lightweight open-source PDF editing application that lets you extract pages from PDF, merge two PDFs, delete pages from PDF files among a few other things.
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3 Tools for PDF manipulation

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PDF (Portable Document Format) is one of the most used document format for exchanging information due to its great flexibility and portability, here anothers feautures we can mention:

- It allows encapsulating text, fonts, images and other information necessary to view the document.

- It is platform independent, both software and hardware, so as its name implies it is extremely portable.

- It is a standard and open format.

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Free and Proprietary Software: NinjaRMM 4.6, AMD, LeoCAD, Pidgin

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  • NinjaRMM 4.6: Five Remote Monitoring Software Enhancements for MSPs

    Why Linux?: The forthcoming Linux capabilities reinforces a key point: NinjaRMM has expanded beyond small business MSPs to engage midmarket and enterprise customers — including service providers and corporate IT departments, which frequently run Linux workloads on-premises or in the cloud.

  • New Linux Software To Make Things Easier For AMD GPU Users

    Linux software has never really had a whole lot of attention from large companies such as AMD – but that might be about to change. One of the main draws of Linux is the vast amount of software created for free by the community.

    A recent piece of software has appeared which could make life a bit easier for AMD graphics card users.

  • LeoCAD 19.07.1 on openSUSE | Building to Publish

    I don’t generally have a lot of time to “play” with Legos, either real or virtual. When I do, it is mostly with my kids as a fun, family activity. Using LeoCAD is a great way to document the designs or work out ideas without having all the appropriate pieces and also makes for a great education tool to use with children or adults.

    I am able to take time, now and again, to explore my limited creativity and to share it with those that have similar interests on the Internet. Sure, my reach is probably only a dozen or so people scattered around the world that are approximately my age but that is just enough. The positive is, it ensures that when I go to to order the parts I want, they are not in high demand and I can get what I want pretty reasonably.

    I can’t thank enough those that are volunteering their time to create LeoCAD and all the tools that make my openSUSE Linux machine possible. Not to mention the various web services and sites that make sharing possible too. It’s a pretty great time in which we live, especially if you are a nerd.

  • 2.14.0 Released! :: Pidgin, the universal chat client

    Well it’s been a while, but we’ve finally released Pidgin 2.14.0. This is a special release for a number of reasons, which we’ll get into below. That said, you can find the source release on SourceForge as well as on Bintray.

    First of all we moved libgnt, the GLib NCurses Toolkit, to its own repository. It is the user interface library that was created for Finch. We did this for a number of reasons, most notably to let libgnt step out from Pidgin’s shadow and get the attention it deserves as a stand-alone project. That said, if you want to build Finch, you need to first install libgnt. You can find the source for it at SourceForge or Bintray.

    Secondly, this is most likely the last release that will be on Bitbucket. As many of you know, on July 1st Atlassian is deleting all Mercurial repositories. We are mostly done with migrating off of Bitbucket but there’s still some loose ends that need to be dealt with. Gary will be addressing this in an upcoming townhall-style meeting whose details will follow in the near future. In the meantime those loose ends need to be taken care of before that meeting. However, you can find the new home of the repository at

Devices and Open Hardware With Linux, Mostly Raspberry Pi

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  • ROScube Pico SBC Runs Ubuntu & ROS on Intel Atom or Rockchip PX30 Processor

    ADLINK has launched ROScube Pico SBC designed for robotics projects and powered by either an Intel Atom x5 Apollo Lake processor or a Rockchip PX30 Arm Cortex-A35 processor via their SMARC-compliant system-on-modules namely LEC-AL and as LEC-PX30.

    Both models run Ubuntu and ROS/ROS-2 operating systems simultaneously, and the company also provides NeuronBot robotics development and demo kit based on the SBC.

  • Man Who Sold Raspberry Pi Devices Modded to Receive Sky For Free Avoids Prison

    A seven-year process targeting a man who sold Raspberry Pi units modified to obtain Sky subscription content for free concluded at Bolton Crown Court yesterday. After selling the devices on Facebook, 50-year-old Mark Schofield was handed a two-year suspended sentence and community order.

  • Raspberry Pi-powered wedding memories record player
  • I'm booting my Raspberry Pi 4 from a USB SSD

    Recently, the Raspberry Pi Foundation announced a USB boot beta for the Raspberry Pi 4. For a very long time, the top complaint I've had with the Raspberry Pi is limited I/O speed (especially for the main boot volume). And on older Pis, with the maximum external disk speed limited especially by the USB 2.0 bus—which was shared with the network adapter, limiting its bandwidth further—even USB booting didn't make things amazing.

    But the Pi 4 not only separated the network adapter from the USB bus, it also has USB 3.0, which can be 10x faster than USB 2.0 (theoretically). So when the USB boot beta was announced, I wanted to put it through its paces. And after testing it a bit, I decided to use the Pi 4 as my full-time workstation for a day, to see whether it can cope and where it falls short. I'll be posting a video and blog post with more detail on that experience very soon.

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More in Tux Machines

Software: RedNotebook, Stretchly, Vesta Control Panel and GIMP (GNU Image Manipulation Program)

  • RedNotebook 2.20

    RedNotebook is a modern desktop journal. It lets you format, tag and search your entries. You can also add pictures, links and customizable templates, spell check your notes, and export to plain text, HTML, Latex or PDF. RedNotebook is Free Software under the GPL. [...] RedNotebook 2.20 changelog: Fix drag and drop (#492, @dgcampea). Fix external previews (Eric Chazan). Document how to change the theme on Windows (#487, Ankur A. Sharma). Allow symlinking to ./run script (#509).

  • Stretchly – reminder to take breaks

    Many people who regularly use computers suffer from eye strain and fatigue. Looking at a monitor for a long time can strain your eyes or can make any other problems you are having with your eyes seem more apparent. There are lots of simple steps you can take to reduce eye strain and fatigue. These include adjusting the brightness, contrast settings, and text size displayed, as well as minimizing glare, and ensuring your room has proper lighting. Taking regular breaks is also very important. This is where Stretchly is designed to help. Stretchly is a cross-platform open source app that reminds you to take breaks when working with your computer.

  • Vesta Control Panel – Simple Yet Powerful Control Panel For Linux

    cPanel web hosting is easier to set up and manage. Users who are not familiar with Linux servers can easily maintain servers using cPanel, a GUI control panel for web servers. Buying shared hosting or managed web hosting can provide users a control panel. But both types of hostings have their own advantages and disadvantages. Read this article to know things to remember before buying web hosting. In this Linux cPanel series, I am discussing the best open source alternatives of cPanel. Most of the open-source alternatives of cPanel are free. Today in this article, I am going to talk about Vesta Control Panel, a free and open-source control panel for Linux servers. Vesta CP can be deployed on Red hat/CentOS (version 5,6,7), Debian (version 7, 8, 9), and Ubuntu (version 12.04 – 18.10).

  • The Best Photoshop Alternatives That Are Totally Free

    GIMP (Gnu Image Manipulation Program) is usually the default go-to alternative for anyone looking for Photoshop-level capabilities in a freeware desktop program. It’s not quite as feature-rich as Adobe’s powerhouse, but it comes with an impressive stack of tools nevertheless — and while it can be bewildering for first-timers, it shouldn’t take you too long to learn the ropes.

Audiocasts/Shows: Kubernetes, Open Source Security Podcast and "Reflecting On My Linux Journey"

  • Physics, politics and Pull Requests: the Kubernetes 1.18 release interview

    The start of the COVID-19 pandemic couldn't delay the release of Kubernetes 1.18, but unfortunately a small bug could — thankfully only by a day. This was the last cat that needed to be herded by 1.18 release lead Jorge Alarcón before the release on March 25. One of the best parts about co-hosting the weekly Kubernetes Podcast from Google is the conversations we have with the people who help bring Kubernetes releases together. Jorge was our guest on episode 96 back in March, and just like last week we are delighted to bring you the transcript of this interview. If you'd rather enjoy the "audiobook version", including another interview when 1.19 is released later this month, subscribe to the show wherever you get your podcasts. In the last few weeks, we've talked to long-time Kubernetes contributors and SIG leads David Oppenheimer, David Ashpole and Wojciech Tyczynski. All are worth taking the dog for a longer walk to listen to!

  • Open Source Security Podcast/Josh Bressers: Episode 208 – Passwords are pollution

    Josh and Kurt talk about some of the necessary evils of security. There are challenges we face like passwords and resource management. Sometimes the problem is old ideas, sometimes it’s we don’t have metrics. Can you measure not getting hacked?

  • Reflecting On My Linux Journey And Where It May Lead

    I ramble a bit about my Linux journey. Well, not just my Linux journey since my story begins before Linux existed. And even in the parts of the story that involve my Linux years, the story is really more about my journey with "free and open source software".

Mozilla: Rust 1.45.2 and Code Quality/Security

  • Announcing Rust 1.45.2

    The Rust team is announcing a new version of Rust, 1.45.2. Rust is a programming language that is empowering everyone to build reliable and efficient software.

  • Reference Sheet for Principals in Mozilla Code
  • Understanding Web Security Checks in Firefox (Part 1)

    This is the first part of a blog post series that will allow you to understand how Firefox implements Web Security fundamentals, like the Same-Origin Policy. This first post of the series covers the architectural design, terminology, and introduces core interfaces that our implementation of the Same-Origin Policy relies on: nsIPrincipal and nsILoadinfo.

KDE and GNOME: QML, MyPaint Brush Engine, Daniel van Vugt and Pitivi Summer of Code

  • QML Online - Can be everywhere!

    A new feature of QML Online is already available, allows it to run in any site/blog with minimal js/html code! Hopefully, our experience with QML examples, tutorials and documentation should change in the near future.

  • MyPaint Brush Engine [Final Phase]

    Coming to my project, it is almost complete apart from some finalisation related stuff that still is remaining. Perhaps, some review changes that my mentors shall give me once my current patch has been reviewed are also remaining. [...] I don't know why, but I always seem to have this feeling at the back of my head that something will come up that will be tough to handle and ruin my project. Though this has been happening even before GSoC started. That scares me a bit :( Anyways.

  • Ubuntu's Prolific GNOME Developer Is Looking To Tackle Deep Color Support

    GNOME could soon be playing nicely with deep color displays that aim to offer more realistic color reproduction thanks to the greater bit depth for each color component.  Canonical's Daniel van Vugt who has led many of the Ubuntu GNOME performance optimization initiatives and countless bug fixes for GNOME since Ubuntu switched back to using it as the default desktop is now looking at plumbing deep color support. Daniel recently has been working on better graphics clock frequency scaling as part of optimizations to improve the GNOME 4K experience particularly when using Intel graphics. The latest area he started dabbling with is deep color support. 

  • Vivek R: Pitivi: Object Tracking

    I’ve been selected as a student developer at Pitivi for Google Summer of Code 2020. My project is to create an object tracking and blurring feature. In this post, I introduce a feature in development which allows the user to track an object inside a video clip.