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Configure an amateur radio gateway with a Raspberry Pi

The APRS (Automatic Packet Reporting System) is a worldwide digital communications network for amateur radio, providing a single national channel where people can monitor what is happening in the surrounding area. APRS uses packet radio (AX.25), which Tom Karpiniec described in his excellent article "Packet radio lives on through open source software," as the transport layer. The basic idea of APRS is to communicate information in the context of the location of an amateur radio operator, such as other stations' position information (whether mobile or fixed), repeater systems, weather information, or events. Amateur radio operators can, in addition, send direct messages to other amateurs via the network. As packets are sent, they include location information that can be displayed on a map. This provides an immediate view of activity in an area. Read more

Software: Goto, Dry, QEMU, GStreamer

  • Goto – Quickly Navigate to Aliased Directories with Auto-Completion Support
    In a recent article, we talked about Gogo – a tool to create shortcuts for long paths in a Linux shell. Although gogo is a great way to bookmark your favorite directories inside a shell, however, it has one major limitation; it lacks an auto-completion feature. Because of the above reason, we went all out to find a similar utility with auto-completion support – where the shell can prompt with suggestions of the available aliases (shortcuts to long and complicated paths) and luckily, after crawling through Github, we discovered Goto.
  • Dry – An Interactive CLI Manager For Docker Containers
    Docker is a software that allows operating-system-level virtualization also known as containerization. It uses the resource isolation features of the Linux kernel such as cgroups and kernel namespaces, and others to allows independent containers to run within a single Linux instance. Docker provides a way to run applications securely isolated in a container, packaged with all its dependencies and libraries.
  • QEMU 2.12 Release Candidates Begin, GTK2 Support Deprecated
    The first release candidate of QEMU 2.12 is now available as the next feature release for this important piece of the Linux virtualization stack. QEMU 2.12 has been working on deprecating a lot of older CLI options that are no longer relevant, s390 architecture enhancements, SMP support by the tiny code generator (TCG) is now considered "non-experimental", PCI support in TCG, QEMU on KVM now supports systems larger than 7.999TB, QMP monitoring improvements, and the GTK2 support by QEMU is now officially deprecated in favor of the existing GTK3 code. QEMU 2.12 is also working on allowing host NVMe controllers to be directly driven via QEMU with VFIO.
  • GStreamer Major Release, OpenBMC Project, Playerunknown's Battlegrounds Free Mobile Version and More
    GStreamer, the cross-platform multimedia framework, announced a new major stable release yesterday. The new version 1.14.0 has lots of new features and bug fixes, including WebRTC support, "experimental support for the next-gen royalty-free AV1 video codec", Video4Linux encoding support and more. See the release notes for more info.
  • GStreamer 1.14 released
  • GStreamer 1.14.0 new major stable release
    The GStreamer team is proud to announce a new major feature release of your favourite cross-platform multimedia framework! The 1.14 release series adds new features on top of the previous 1.12 series and is part of the API and ABI-stable 1.x release series of the GStreamer multimedia framework.

today's howtos

Games Chronicon, BROKE PROTOCOL, Internet Archive

  • 2D action RPG 'Chronicon' to arrive on Linux with the next big update
    The colourful action RPG Chronicon [Steam, Official Site] should arrive on Linux with the next big update, the developer has said.
  • BROKE PROTOCOL is like a low-poly GTA Online and it's coming to Linux
    BROKE PROTOCOL [Steam], a low-poly open-world action game that's a little like GTA Online and it's coming to Linux.
  • The Internet Archive Just Uploaded a Bunch of Playable, Classic Handheld Games
    The non-profit Internet Archive is perhaps best known for its Wayback Machine that takes snap shots of web sites so you can see what they looked like in the past. However, it also has a robust side project where it emulates and uploads old, outdated games that aren’t being maintained anymore. Recently, the organization added a slew of a unique kind of game that’s passed into memory: handheld LCD electronic games. The games–like Mortal Kombat, depicted above–used special LCD screens with preset patterns. They could only display the exact images in the exact place that they were specified for. This meant the graphics were incredibly limited and each unit could only play the one game it was designed to play. A Game Boy, this was not.
  • Internet Archive emulator brings dozens of handheld games back from obscurity
    Over the weekend, the Internet Archive announced it was offering a new series of emulators. This time, they’re designed to mimic one of gaming’s most obscure artifacts — handheld games. When I say a “handheld game,” I don’t mean the Game Boy or the PSP — those are handheld consoles. These are single-game handheld or tabletop devices that look and feel more like toys. The collection includes the very old, mostly-forgotten games sold in mini-handhelds from the 80s onward.