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KDE: Astronomy on KDE, MQTT/GSoC, Konversation Tip

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KDE
  • Astronomy on KDE

    I recently switched to KDE and Plasma as my main desktop environment, so I thought I'd start digging into some of the scientific software available on KDE. First up is KStars, the desktop astronomy program.

  • LabPlot's MQTT in the finish line

    Hello everyone. GSoC is coming to its end, so I think that I should give a report about what's been done since the last post, and also make a brief evaluation, summary of the project itself.

    As I've written in my last post, the main focus was on improving the quality of the code, cleaning, optimizing and properly documenting it. And also making it more comestible for other developers.

    The next step was searching for bugs and then fixing them. In order to do this properly, I implemented a unit test for the main MQTT related features. This proved to be useful since it helped discover several hidden bugs and errors which were all corrected. The main features, that tests were developed for, are: checking if a topic contains another one, checking if two topics are "common topics" (meaning they only differ at only one level, and are the same size), managing messages, subscribing&unsubscribing.

  • PSA: Use SASL in konversation

    You probably have seen that Freenode has been getting lots of spam lately.

    To protect against that some channels have activated a flag that only allows authenticated users to enter the channel.

    If you're using the regular "nickserv" authentication way as I was doing, the authentication happens in parallel to entering the channels and you'll probably be rejected from joining some.

More in Tux Machines

AMD Graphics: AMD Radeon GPU, Mesa VCN JPEG Decode Patches Posted For AMD Raven Ridge

  • Coreboot's Flashrom Working On Radeon GPU Flashing Support
    Former RadeonHD driver developer Luc Verhaegen is back at the AMD Radeon GPU reverse-engineering game. He's now pursuing Radeon firmware flashing with the Coreboot Flashrom utility.
  • Mesa VCN JPEG Decode Patches Posted For AMD Raven Ridge
    With the imminent Linux 4.19 kernel release there is VCN JPEG decode support within the AMDGPU DRM driver for use with Raven Ridge APUs. The accompanying user-space patches for the Radeon Gallium3D code have now been posted for making this functionality work on the Linux desktop with these Zen+Vega APUs. Now that the kernel-side bits for accelerated JPEG decoding using the "Video Core Next" block are in place, the Mesa/Gallium3D patches were posted today for getting this functionality enabled and working for Raven Ridge. VCN as a reminder is the new unified video encode/decode block with Raven that succeeds the UVD video decoding and VCE video encoding blocks on the GPU.

Security: DMARC, ShieldX, Spectre V2, Equifax/TransUnion and More

  • DMARC Email Security Adoption Soars as US Government Deadline Hits
  • ShieldX Integrates Intention Engine Into Elastic Security Platform
    ShieldX announced its new Elastic Security Platform on Oct. 17 providing organizations with Docker container based data center security, that uses advanced machine learning to determine intent. At the core of the Elastic Security Platform is a technology that ShieldX calls the Adaptive Intention Engine that automatically determines the right policy and approach for security controls across multicloud environments. The intent-based security model can provide network microsegmentation, firewall and malware detection capabilities, among other features.
  • Spectre V2 "Lite" App-To-App Protection Mode Readying For The Linux Kernel
    We are approaching one year since the Spectre and Meltdown CPU vulnerabilities shocked the industry, and while no new CPU speculative execution vulnerabilities have been made public recently, the Linux kernel developers continue improving upon the Spectre/Meltdown software-based mitigation techniques for helping to offset incurred performance costs with current generation hardware.
  • Another Massive Credit Reporting Database Breached By Criminals
    Lots of companies like gathering lots of data. Many do this without explicit permission from the people they're collecting from. They sell this info to others. They collect and collect and collect and it's not until there's a problem that many people seem to feel the collection itself is a problem. The Equifax breach is a perfectly illustrative case. Lenders wanted a service that could rate borrowers quickly to determine their trustworthiness. This required a massive amount of data to be collected from numerous creditors, along with personally-identifiable information to authenticate the gathered data. The database built by Equifax was a prime target for exploitation. That this information would ultimately end up in the hands of criminals was pretty much inevitable. But Equifax isn't the only credit reporting service collecting massive amounts of data but failing to properly secure it. TransUnion not only collects a lot of the same information, but it sells access to cops, lenders, private investigators, landlords… whoever might want to do one-stop shopping for personal and financial data. This includes criminals, because of course it does.
  • Security updates for Wednesday
  • LibSSH Flaw Allows Hackers to Take Over Servers Without Password
  • This iPhone Passcode Bypass Allows Hackers To View And Share Your Images
    If you look at the video, the iOS vulnerability can be seen as part of running accessibility features on the device. He used the iPhone VoiceOver feature and the Siri assistant to access the Photo Library, open photos and send them to another device chosen by the attacker.

Programming: Thorntail 2.2 General Availability, OpenJDK, LLVM 7, wlc 0.9, Pango Development

  • Announcing: Thorntail 2.2 General Availability
    Today Red Hat is making Thorntail 2.2 generally available to Red Hat customers through a subscription to Red Hat OpenShift Application Runtimes (RHOAR). RHOAR provides application developers with a variety of application runtimes running on the OpenShift Container Platform. Thorntail is the new name for WildFly Swarm, and bundles everything you need to develop and run Thorntail and MicroProfile applications by packaging server runtime libraries with your application code and running it with java -jar. It speeds up the transition from monoliths to microservices and takes advantage of your existing industry standard Java EE technology experience.
  • The history and future of OpenJDK
    In the second half of 2017, a number of major changes were announced in the Java ecosystem that have the potential to force a reassessment of Java roadmaps and vendor selection for enterprise Java users. Some of the changes are happening in the upstream OpenJDK (Open Java Development Kit) community, and some of the changes are happening in proprietary commercial distributions of Java. Red Hat anticipates that many of our customers will need to review their current Java plans and we want to take this opportunity to review the history of our relationship with the OpenJDK community, discuss the changes in the Java ecosystem, and describe Red Hat’s Java offerings. Subsequent posts will cover the ecosystem changes and Red Hat’s plans going forward.
  • LLVM 7 improves performance analysis, linking
    The developers behind LLVM, the open-source framework for building cross-platform compilers, have unveiled LLVM 7. The new release arrives right on schedule as part of the project’s cadence of major releases every six months. LLVM underpins several modern language compilers including Apple’s Swift, the Rust language, and the Clang C/C++ compiler. LLVM 7 introduces revisions to both its native features and to companion tools that make it easier to build, debug, and analyze LLVM-generated software.
  • wlc 0.9
    wlc 0.9, a command line utility for Weblate, has been just released. There are several new commands like translation file upload or repository cleanup. The codebase has been also migrated to use requests instead of urllib.
  • A pango update
    Pango development has been slow in the last few years, while most of the work on the text rendering stack has moved to harfbuzz. But recently, Behdad and I got together for a pango work day, and made some plans, which we want to share. The underlying goal of these changes is to ensure that GTK+ and GNOME continue to have a competitive text rendering stack, and to avoid pango becoming a roadblock for this.
  • GNOME Developers Are Looking At Sprucing Up Pango
    GNOME developers want to make sure they have a competitive text rendering stack with other platforms and as such are looking to make some modernization improvements to Pango. Pango as a refresher is the text layout library used by GTK+ as well as other applications and works in hand with the HarfBuzz shaping engine for the display/placement of text.

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