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KDE and GNOME: ikona 1.0, KF5, Shortwave Goes Stable and How to Use Sysprof

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  • ikona 1.0

    this is where Ikona's meat lies—the application icon view. it displays application icons at a pixel-perfect size in an environment similar to a Plasma desktop.

    by default, it just shows Ikona's icon. the real meat is when you press “Create Icon.” this exports a special type of SVG with the suffix .ikona.app.svg. Ikona can process these SVGs to produce multiple sizes of the same icon from one SVG file, making wrangling with multiple sizes of icon simple.

    saving the icon will cause Ikona to instantly update its preview of the icon.

    once you're done designing your icon, you use the export screen to export your icon.

  • Scaling Barcodes in KF5::Prison

    In the past couple of days I tried to finally address an issue in KDE Itinerary where UIC 918.3 train tickets could be rendered in a way that they weren’t accepted by the scanner. That turned into a journey into the depths of high DPI rendering inside KDE Frameworks’ barcode rendering library Prison.

  • Shortwave – First stable release

    Today, after nearly two years of development I’m very proud to say: The first stable version of Shortwave is now available! I have put a lot of time and effort into this project, now it is finally time to make it available for everyone Smile.

  • Christian Hergert: How to use Sysprof to…

    First off, before using Sysprof to improve the performance of a particular piece of software, make sure you’re compiling with flags that allow us to have enough information to unwind stack frames. Sysprof will use libunwind in some cases, but a majority of our stack unwinding is done by the Linux kernel which can currently only follow eh_frame (exception handling) information.

Shortwave Sees First Stable Release As GNOME Internet Radio...

  • Shortwave Sees First Stable Release As GNOME Internet Radio Player

    After being in development for two years, GNOME Shortwave has seen its first stable release shortly after this week's GNOME 3.36 desktop debut.

    Shortwave is a GTK-based Internet radio player that supports tuning into more than twenty-five thousand stations. Shortwave supports the automatic recording of songs, streaming via the Google Cast protocol, an adaptive interface to work across a variety of devices, and integrates nicely with the modern GNOME Shell desktop.

Internet Radio Player Shortwave 1.0 Released (Howto Install)

  • Internet Radio Player Shortwave 1.0 Released (Howto Install)

    Shortwave, an internet radio player desktop application for Linux, released its first stable version 1.0 today. Here’s how to install it in Ubuntu 18.04 and higher.

    Shortwave is a new desktop radio app for Linux built with Rust. It provides access to a station database with over 25,000 stations.

Shortwave Internet Radio Player Sees Its First Stable Release

  • Shortwave Internet Radio Player Sees Its First Stable Release (1.0)

    Shortwave, the Gradio successor, had its first stable (1.0) release over the weekend after almost two years of development.

    Shortwave is a GTK Internet radio player written in Rust, created to replace Gradio (which is dead now). Being a GNOME-based application, it uses header bars, as well as libhandy to have its interface adapt to all screen sizes (it's compatible with Librem 5 by the way). Dark mode is also available.

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More in Tux Machines

Development Boards and Open Hardware/Modding

  • Cucumber ESP32-S2 Development Board Comes with USB OTG Port, Optional Sensors

    Yesterday, I wrote about LilyGO TTGO ESP32-S2 WiFi IoT board, but one commenter mentioned it missed one of the key features of ESP32-S2 chip: a USB OTG port. While USB OTG is accessible through the header pins, it’s not the most convenient to use. I also quickly mentioned Cucumber ESP32-S2 development board in that post, but I did not expand too much since I thought it should only ship within Thailand. But the board does include two USB Type-C ports, one for the usual USB UART connector, and the other for USB OTG, and I found out the board is available worldwide.

  • TTGO ESP32-S2 WiFi IoT Board Comes with Optional MicroSD Card and Battery Support

    All ESP32-S2 boards I’ve seen so far were from Espressif Systems themselves including ESP32-S2-Saola-1 and ESP32-S2-Kaluga-1, but LilyGO TTGO ESP32-S2 is the first third-party board for sale so far. The tiny board is somewhat similar to ESP32-S2-Saola-1 board and comes in two versions with a similar form factor, but a completely different pinout and the presence of a MicroSD card socket and a battery connector on one of the boards. [...] The boards are a bit more different than I expected at first look. Please note that specifications should be seen as preliminary, as there were obvious mistakes such as Bluetooth support (not available for ESP32-S2) which I did not included in the specs above, but there may be others which I missed.

  • CR Deck Mk.1 Is An Open Source AR Headset Based On Project North Star With Ultraleap Hand-Tracking
  • Open Source Ventilators Helped by Electronic Design Software

    In the early days of the pandemic, the first major challenge facing nations was a shortage of personal protective equipment (PPE) and ventilators. The former helps safeguard hospital personnel from potential contamination; the latter are necessary to keep the most critically ill patients breathing once the virus attacks their respiratory systems. Ventilators are traditionally large and very costly devices; smaller ventilators—known as field emergency ventilators (FEVs) have been used in emergency settings, including combat missions and in Third World nations for decades to help keep patients alive as they await transport to hospitals for intubation.

  • NASA JPL Team Fires up Open Source PPE Respirator Designs

    Does it really take a team of rocket scientists to rapidly engineer a top-notch line of personal protective equipment (PPE) to protect against COVID-19 spread? And then to open source its production designs for the benefit of anyone with access to a 3D printer? The answer: not necessarily, but it sure can help. That’s the latest good news on the pandemic front from the technology and innovation team at the National Aeronautics and Space Administration’s (NASA) Jet Propulsion Laboratory (JPL).

  • NASA and other innovators work to redesign ventilators for Covid-19 patients

    NASA scientists as well as other innovators are busy developing alternatives to the traditional ventilator being used worldwide to treat severe cases of Covid-19. The movement is in response to growing evidence that in some cases ventilators can cause more harm than good in some patients with low oxygen levels. Statistics tell the story: 80% of patients with the coronavirus die on such machines. This comes just a few months since the early days of the coronavirus pandemic, when U.S. healthcare providers said that they needed ventilators to accommodate the flood of new patients, and lots of them. The crisis triggered the Trump administration to activate the Defense Production Act so manufacturers including Ford, GM and GE could start ventilator production to produce these medical devices for the U.S. government.

Software: NetworkManager, Google's Chrome/Chromium, Best Linux Remote Desktop Tools, RapidDisk and Mastodon

  • NetworkManager 1.26 Development Progressing With New Functionality

    NetworkManager 1.25.2-dev is the latest development version of this important Linux networking component in the road towards NetworkManager 1.26. NetworkManager 1.25.2-dev was bumped this weekend as another milestone towards the upcoming 1.26 stable release of this widely used component for configuring wired and wireless networking on Linux and other platforms. Some of the changes building up so far for NetworkManager 1.26 include: - A new "firewalld-zone" option that is enabled by default that will install a firewalld zone for connection sharing and put the IPv4/IPv6 shared mode interfaces in this zone.

  • Chrome Is Reaching The Point Of Good X11 + Wayland Support In Same Build

    Google's Chrome/Chromium web browser is finally reaching the stage where having both the X11 support and Ozone abstraction layer for Wayland can be enabled concurrently in the same build. Thanks to the work by Google, Igalia, and others, the Chrome/Chromium code-base is nearly at the stage where the traditional X11 support can be built along with the Ozone platform support concurrently. Ozone is the platform abstraction layer being worked on for years for handling low-level input/graphics and necessary for Wayland support as well as various embedded use-cases and other platform abstraction capabilities. An overview of the Ozone code can be found here.

  • Best Linux Remote Desktop Tools For Ubuntu 20.04 LTS To Share Your Desktop In 2020

    7. KDE Connect KDE Connect helps you to enable remote desktop sharing with the help of Android and Linux applications. 8. VNC Connect VNC Connect is a simple and secure remote desktop sharing tool for Linux. VNC Connect is equipped with 256 bit AES session encryption and it uses Remote Frame Buffer protocol to remotely control another computer.

  • RapidDisk version 6.1 released

    RapidDisk is an advanced Linux RAM Disk which consists of a collection of modules and an administration tool. Features include: Dynamically allocate RAM as block device. Use them as stand alone disk drives or even map them as caching nodes to slower local disk drives.

  • Experience With Mastodon
  • Share PeerTube Videos on Mastodon

Security and Proprietary Issues

  • 10 open source cloud security tools to know [Ed: The moment you choose 'clown computing' you've already disowned your own infrastructure and lost privacy, security, control. So this is sort of missing the point of "open" (the environment itself is proprietary).]

    Pacu is written in Python and maintained by Rhino Security Labs, a penetration testing provider.

  • Cisco security breach hits corporate servers that ran unpatched software

    Six servers Cisco uses to provide a virtual networking service were compromised by hackers who exploited critical flaws contained in unpatched versions the open source software service relies on, the company disclosed on Thursday.

  • Zoom to Strengthen Encryption for Paying Customers: Reuters

    In response to queries, Zoom pointed to its May 27 report that said its focus is to build the so-called end-to-end encryption for its meeting product, which may be later rolled out for its chat, phone and webinar offerings. “Only our paid users will have access to end-to-end encryption for their meetings,” it said. “However, all users will use the 256-bit GCM encryption on May 30 regardless of their license type.”

  • Zoom paid accounts reportedly will get strong encryption for calls

    Zoom published a draft paper May 22nd outlining some of its encryption plans.

  • Zoom Publishes Draft Design of End-to-End Encryption Offering

    Once we have assessed this feedback for integration into a final design, we will announce our engineering milestones and goals for deploying an end-to-end encryption offering for Zoom users.

  • Exclusive: Zoom plans to roll out strong encryption for paying customers

    The company, whose business has boomed with the coronavirus pandemic, discussed the move on a call with civil liberties groups and child-sex abuse fighters on Thursday, and Zoom security consultant Alex Stamos confirmed it on Friday.

    In an interview, Stamos said the plan was subject to change and it was not yet clear which, if any, nonprofits or other users, such as political dissidents, might qualify for accounts allowing more secure video meetings.

    He added that a combination of technological, safety and business factors went into the plan, which drew mixed reactions from privacy advocates.

  • NHS contact tracing undermined by hackers sending fraudulent warnings to public

    The new NHS test and trace programme is being undermined by hackers sending out phishing scams falsely warning the public they may have Covid-19.

    Public Health England have warned potential contacts to check suspicious messages against the Government website after a flurry of reports of Britons being falsely informed they may have coronavirus.

OpenMandriva Lx 4.1 2020.05 snapshot

OMLx ’Rock’ (currently 4.1) is for users who want a stable system. Please note that Rock system will receive only bug fixes and security updates. The user wishing for the latest and brightest without having to wait for a new release may want to install ’Rolling’ instead, our new release branch which we are going to officially announce very soon. By default, only /main repository is enabled in OpenMandriva releases. If you want to find out all the packages available please use Software Repository Selector (om-repo-picker) and enable additional repositories. Guide here. From time to time we make available Rock snapshots that include fixes for bugs reported after release, and/or important new improvements. Read more