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11 Best Free Linux Astronomical Data Analysis Tools

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Software

Astronomy is a branch of science that deals with the study of celestial objects (including stars, planets, moons, comets, asteroids, meteor showers, nebulae, star clusters, galaxies) and other phenomena such as gamma ray bursts and supernovae.

Astronomy is particularly well suited to the layperson. It is a wonderful hobby which has almost no age limits, it is open to individuals of all financial means, and there is always the potential for an amateur to discover something that has eluded professional astronomers, or to help monitor stars and track asteroids. Professional astronomers are in a very fortunate profession. They have the opportunity to continue their love of astronomy, travel the world, make significant discoveries, and get paid at the same time.

Professional astronomers spend far more of their time analyzing data and writing articles than actually observing celestial objects. Amateur astronomers are also keen to analyze the data they have collated. Software that can process and analyze images is therefore essential to astronomers. Fortunately, high performance scientific software has always been a strong area for Linux.

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Top 4 Best Blogging Software for Linux in 2019

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Software
Web

In the last few years, blogging has become a popular way of sharing one’s thoughts about almost anything. While people use blogs to express themselves, businesses go with blogging to cement their position as a competent authority in their area of operations. Over the past years, many have taken on blogging as various blogging software makes it as simple and straightforward as possible. Now, you can create a blog site even if you lack technical skills such as coding and web development.

Today, blogging software is being created for every operating system, not just for Windows and Mac. Since bloggers who want to make themselves heard are using different operating systems, it is essential to help you identify the best blogging software for Linux as well. Here are the top four blogging software for Linux.

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Also: RV Offsite Backup Update

ANNOUNCE: gtk-vnc 1.0.0 release

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Software

I’m pleased to announce a new release of GTK-VNC, version 1.0.0.

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Becoming friends with NetworkManager

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Software
HowTos

Have you ever been surprised when your Linux host automatically configures your network? If so, there is a good chance that NetworkManager was responsible. NetworkManager is one of the most widespread network configuration daemons in Linux distributions. If you want to know more and learn how to control it, continue reading.

However, do you instead disable NetworkManager, and wonder why your preferred Linux distro isn't using the old IP tools as the default network configuration method? Do you think NetworkManager is "just for WiFi?" Well, this blog post is for you, too. Leave behind prejudice and give this tool a fair chance by following along for a few minutes. I bet you’ll make peace, and maybe even become friends, with NetworkManager.

In this article, I show you why NetworkManager is a good choice for many scenarios (including both the command line and the GUI). Next, I’ll explain this tool's characteristic (and often misunderstood) underlying philosophy. And finally, I’ll highlight a few commands every user should know to take full control of NetworkManager.

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Daniel Stenberg: more tiny curl

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Software
Web

Without much fanfare or fireworks we put together and shipped a fresh new version of tiny-curl. We call it version 0.10 and it is based on the 7.65.3 curl tree.

tiny-curl is a patch set to build curl as tiny as possible while still being able to perform HTTPS GET requests and maintaining the libcurl API. Additionally, tiny-curl is ported to FreeRTOS.

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FFmpeg 4.2 "Ada"

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Software
Movies

FFmpeg 4.2 "Ada", a new major release, is now available! Some of the highlights:

tpad filter
AV1 decoding support through libdav1d
dedot filter
chromashift and rgbashift filters
freezedetect filter
truehd_core bitstream filter
dhav demuxer
PCM-DVD encoder
GIF parser
vividas demuxer
hymt decoder
anlmdn filter
maskfun filter
hcom demuxer and decoder
ARBC decoder
libaribb24 based ARIB STD-B24 caption support (profiles A and C)
Support decoding of HEVC 4:4:4 content in nvdec and cuviddec
removed libndi-newtek
agm decoder
KUX demuxer
AV1 frame split bitstream filter
lscr decoder
lagfun filter
asoftclip filter
Support decoding of HEVC 4:4:4 content in vdpau
colorhold filter
xmedian filter
asr filter
showspatial multimedia filter
VP4 video decoder
IFV demuxer
derain filter
deesser filter
mov muxer writes tracks with unspecified language instead of English by default
added support for using clang to compile CUDA kernels

We strongly recommend users, distributors, and system integrators to upgrade unless they use current git master.

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Also: FFmpeg 4.2 Released With AV1 Decoding Support, GIF Parser

Please welcome: NetworkManager 1.20

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Software

The libnm-glib library, deprecated in favor of libnm since NetworkManager 1.0 release almost five years ago, was dropped. At this point it’s almost certain to have no users.

If you’re developing a program that has anything to do with network configuration, libnm is the way to go. You can also use it from other languages than C via GObject instrospection — just check out our examples.

Also gone is the settings plugin for use with iBFT. For those who don’t know: iBFT is the way for the boot firmware to pass the network configuration it has used to the operating system. It really was rather unlike what other settings plugins are — its role was to create a single virtual connection profile that would be there so that NetworkManager won’t tear down the network configuration applied by the early boot firmware. This doesn’t mean that we don’t support network booted installations. Quite the opposite. Since the last release we support configuring the network on early boot with NetworkManager and we preserve configuration done outside NetworkManager without the need of a placeholder connection profile.

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Software: Socorro, Log Viewers, Syntreenet, Presentations and Krita (KDE)

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Software
  • Socorro Engineering: July 2019 happenings and putting it on hold

    As of August 1st, we've switched to Mozilla Location Services. We'll be auditing that project, getting it back into a healthy state, and bringing it in line with current standards and practices.

    Given that, this is the last Socorro Engineering status post for a while.

  • Top 15 Best Linux Log Viewer & Log file Management Tools

    If you are a Linux lover, you must have some knowledge about Linux log viewer tools. Log viewer gives you a full visual history of everything happening in your Linux system. In logs file, we will have each and every piece of information such as application log, system log, event log, script log, rewrite log, and process ID, etc.

    [...]

    LOGalyze does its job quite impeccably with the focus on log management. Also, it has the usability of network observation which comes with the package. When it comes to processing all of your log information in a single place, LOGalyze comes helpful. Moreover, you don’t have to worry about whether it’s going to support your requirement or not, because it goes with the Linux/Unix servers, network devices and as well as windows hosts.

  • syntreenet 1.0.0b4

    Syntreenet facilitates easy development of any finite domain formal theory possible in any language described by a Parsing Expression Grammar.

    It provides a knowledge base in the form of a performant and scalable production system, where rules and facts interact to produce new rules and facts. Facts in this context are the top productions in the provided PEGs, and rules are fundamentally composed of a set of those facts as conditions and another set of facts as consecuences.

  • 3 tools for doing presentations from the command line

    Tired of creating and displaying presentation slides using LibreOffice Impress or various slightly geeky tools and frameworks? Instead, consider running the slides for your next talk from a terminal window.

    Using the terminal to present slides sounds strange, but it isn't. Maybe you want to embrace your inner geek a bit more. Perhaps you want your audience to focus on your ideas rather than your slides. Maybe you're a devotee of the Takahashi method. Whatever your reasons for turning to the terminal, there's a (presentation) tool for you.

  • Interview with Ray Waysider

    It’s free (obviously) but apart from that it’s also a very intuitive program. So rich in features and it’s easy to set it up to your own personal taste. I have Photoshop installed on my PC as well as Krita but I just find Krita so comfortable to use and so capable of doing anything I want that I’ve hardly used Photoshop since I installed Krita.

Daniel Stenberg: First HTTP/3 with curl

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Software
Web

In the afternoon of August 5 2019, I successfully made curl request a document over HTTP/3, retrieve it and then exit cleanly again.

(It got a 404 response code, two HTTP headers and 10 bytes of content so the actual response was certainly less thrilling to me than the fact that it actually delivered that response over HTTP version 3 over QUIC.)

The components necessary for this to work, if you want to play along at home, are reasonably up-to-date git clones of curl itself and the HTTP/3 library called quiche (and of course quiche’s dependencies too, like boringssl), then apply pull-request 4193 (build everything accordingly) and run a command line like:

curl --http3-direct https://quic.tech:8443

The host name used here (“quic.tech”) is a server run by friends at Cloudflare and it is there for testing and interop purposes and at the time of this test it ran QUIC draft-22 and HTTP/3.

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DXVK 1.3.2

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Graphics/Benchmarks
Software
  • DXVK 1.3.2 Released With Fixes/Improvements For The Division, World of Warcraft & More

    While a new Proton 4.11 release came out last week as a big Valve update that included pulling in DXVK 1.3, Philip Rebohle who leads work on this Direct3D-over-Vulkan layer today released DXVK 1.3.2 as the latest update for improving the Windows/Direct3D on Linux gaming experience.

    DXVK 1.3.2 is primarily a bug fix release but does have some CPU overhead reductions to help Direct3D 11.1 games like World of Warcraft. There is also support now for the DXVK configuration file to be able to turn on the heads-up display rather than just using the DXVK HUD environment variable.

  • DXVK 1.3.2 is out as a small and focused stability update to this Vulkan layer

    Developer Philip Rebohle has put out a new point release of the Vulkan-based D3D11 and D3D10 implementation for Wine, with DXVK 1.3.2 now up.

    No major new features this time around, as it's mainly cleaning up some issues in games.

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Redcore Linux 1908 Released, Which Fixes Many of the Pending Bugs

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Red Hat Satellite 6.6 Beta is now available with enhancements across reporting, automation, and supportability

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