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Sci/Tech

GNU Octave 5.1.0 Release

Filed under
GNU
Sci/Tech

GNU Octave version 5.1.0 has been released and is now available for download. An official Windows binary installer is available. For macOS see the installation instructions in the wiki.

This major release improves compatibility with Matlab and contains many new and improved functions. A list of important user-visible changes is available by selecting the Release Notes item in the News menu of the GUI or by typing news at the Octave command prompt.

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Also: GNU Octave 5.1 Released With HiDPI Support, Drops OSMesa Usage

Unix turns 40: The past, present and future of a revolutionary OS

Filed under
OS
Server
Sci/Tech

Forty years ago this summer, a programmer sat down and knocked out in one month what would become one of the most important pieces of software ever created.

In August 1969, Ken Thompson, a programmer at AT&T subsidiary Bell Laboratories, saw the month-long departure of his wife and young son as an opportunity to put his ideas for a new operating system into practice. He wrote the first version of Unix in assembly language for a wimpy Digital Equipment Corp. (DEC) PDP-7 minicomputer, spending one week each on the operating system, a shell, an editor and an assembler.

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KStars v3.1.0 is released!

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KDE
Sci/Tech

I'm glad to announce KStars first release of 2019: v3.1.0 for MacOS, Linux, and Windows. This release focuses on improvements to stability & performance of KStars. In 3.0.0, we introduced quite a few features which resulted in a few regressions that we worked hard to iron out in this release.

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UNIX: Building The Most Important OS in the World

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OS
Sci/Tech

If you’ve ever used a smartphone, lost track of time browsing through website after website, or played a video game on a Next-Gen console, you have used the Unix operating system or one of its derivatives.

Linux is the spiritual successor to the original Unix system and Mac OSX is built off of Unix. Unix-based or derived systems are used in gigantic server farms, processing nearly all of the world’s Internet traffic. The Internet of Things and other embedded systems use Unix or its successors and Unix-based Linux has even been used in the International Space Station to run essential equipment.

All of this is possible because Kenneth Thompson, Dennis Ritchie, and their colleagues couldn’t watch a beloved project fall victim to corporate cost-cutting.

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9 Best Free Linux Fractal Tools

Filed under
Software
Sci/Tech

A fractal is a geometric shape or quantity which displays self-similarity and non-integer dimension. The property of self-similarity applies where a self-similar object is exactly or approximately similar to a part of itself. If you zoom in on any part of a fractal, you find the same amount of detail as before. It does not simplify.

There are many mathematical structures that are fractals including the Koch snowflake, Peano curve, Sierpinski triangle, Lorenz attractor, and the Mandelbrot set. Fractals also describe many real-world objects, such as crystals, mountain ranges, clouds, river networks, blood vessels, turbulence, and coastlines, that do not correspond to simple geometric shapes.

Fractals are rooted in chaos theory, and because of their nature they are perfect for organic looking artwork and landscapes.

Fractal-generating software is any computer program that generates images of fractals. Linux has a great selection of fractal software to choose from.

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Boosting Open Science Hardware in an academic context: opportunities and challenges

Filed under
Hardware
OSS
Sci/Tech

Experimental science is typically dependent on hardware: equipment, sensors and machines. Open Science Hardware means sharing designs for this equipment that anyone can reuse, replicate, build upon or sell so long as they attribute the developers on whose shoulders they stand. Hardware can also be expanded to encompass other non-digital input to research such as chemicals, cell lines and materials and a growing number of open science initiatives are actively sharing these with few or no restrictions on use.

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Also: The Entire Hardlight VR project is now Open Source

Awards for UNIX and for Security Protocols (Mozilla)

Filed under
OS
Moz/FF
OSS
Security
Sci/Tech
  • The National Inventors Hall of Fame Announces Its 2019 Inductees

    Posthumously honored inventors include Lee; UNIX co-creator Dennis Ritchie; thiazide diuretic pioneers John Baer, Karl H. Beyer Jr., Frederick Novello and James Sprague; hand-held electric drill inventors Duncan Black and Alonzo G. Decker of the popular Black & Decker power tool company; Andrew Higgins, the mastermind behind the Higgins Boats used by American troops landing at Normandy on D-Day; and Joseph Muhler and William Nebergall, creators of the cavity-preventing stannous fluoride toothpaste better known today by the brand name Crest.

  • National Inventors Hall of Fame honors creators of Unix, power drills and more
  • Eric Rescorla Wins the Levchin Prize at the 2019 Real-World Crypto Conference

    The Levchin Prize awards two entrepreneurs every year for significant contributions to solving global, real-world cryptography issues that make the internet safer at scale. This year, we’re proud to announce that our very own Firefox CTO, Eric Rescorla, was awarded one of these prizes for his involvement in spearheading the latest version of Transport Layer Security (TLS). TLS 1.3 incorporates significant improvements in both security and speed, was completed in August and already secures 10% of sites.

    Eric has contributed extensively to many of the core security protocols used in the Internet, including TLS, DTLS, WebRTC, ACME, and the in development IETF QUIC protocol.  Most recently, he was editor of TLS 1.3, which already secures 10% of websites despite having been finished for less than six months. He also co-founded Let’s Encrypt, a free and automated certificate authority that now issues more than a million certificates a day, in order to remove barriers to online encryption and helped HTTPS grow from around 30% of the web to around 75%. Previously, he served on the California Secretary of State’s Top To Bottom Review where he was part of a team that found severe vulnerabilities in multiple electronic voting devices.

  • Great, you've moved your website or app to HTTPS. How do you test it? Here's a tool to make local TLS certs painless

    A Google cyrptoboffin is close to releasing a tool that will hopefully make all of us more secure online.

    Now that most web traffic travels over HTTPS and browser features increasingly expect security, developers really should be creating and testing apps in an HTTPS environment.

    Doing so requires installing a TLS/SSL certificate locally, but the process isn't as easy as it might be. With a bit of effort, devs can generate their own certificate, self-signed or signed by the local root, and install it. Various online tutorials offers ways to do so. There are also projects like minica that aim to ease the pain.

    But it could be easier still, along the lines of Let's Encrypt, a tool that lets websites handle HTTPS traffic through automated certificate issuance and installation.

Taking machine learning to the birds

Filed under
OSS
Sci/Tech

The Cacophony Project's broad vision is to bring back New Zealand's native birds using the latest technology to monitor bird populations and humanely eliminate the introduced predators that are endangering them.

The project started in our founder's backyard to measure the effectiveness of his efforts to protect the birds on his property. From this simple beginning, the project has quickly grown into a system that includes two edge devices, a cloud server, and automatic identification of animals using machine learning. The project has been completely open source from the beginning and sees regular contributions from a wide variety of volunteers.

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Cantor 18.12 – KDE way of doing mathematics

Filed under
KDE
Sci/Tech

Curious to read about Cantor on LabPlot’s homepage? This is easy to explain. Cantor has got quite a lot of development in the last couple of months, also with great contribution from LabPlot developers. There is a close collaboration between these two KDE projects which we hope to intensify even further in future and to make better use of the common code and human resources in order to provide a strong computational and visualization platform for scientific purposes.

In this blog post we want to highlight the more striking new features in Cantor 18.12 that was recently released. Since Cantor can run embedded in LabPlot (see the LabPlot 2.3 release announcement for couple of examples), all the features described below are of course also available for users using Cantor from within LabPlot.

We invested quite a lot into improving the overall usability of Cantor’s worksheet. First improvement we want to mention is the handling of long running and waiting commands. In the past, when executing multiple commands at the same time, there was no feedback for the user which command is being calculated right now and which commands are waiting. In the current release we highlight the currently calculated command entry with a small animation of the prompt. The pending (meaning, queued but not being calculated yet) command entries are also highlighted so the user has the full picture of the processing status.

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How I Quit Apple, Microsoft, Google, Facebook, and Amazon

Filed under
Hardware
OSS
Sci/Tech

It was just before closing time at a Verizon store in Bushwick, New York last May when I burst through the door, sweaty and exasperated. I had just sprinted—okay I walked, but briskly—from another Verizon outlet a few blocks away in the hopes I’d make it before they closed shop for the night. I was looking for a SIM card that would fit a refurbished 2012 Samsung Galaxy S3 that I had recently purchased on eBay, but the previous three Verizon stores I visited didn’t have any chips that would fit such an old model.

When I explained my predicament to the salesperson, he laughed in my face.

“You want to switch from you current phone to an... S3?” he asked incredulously.

I explained my situation. I was about to embark on a month without intentionally using any services or products produced by the so-called “Big Five” tech companies: Amazon, Apple, Facebook, Google, and Microsoft. At that point I had found adequate, open source replacements for most of the services offered by these companies, but ditching the Android OS, which is developed by Google, was proving difficult.

Most of the tech I use on a day-to-day basis is pretty utilitarian. At the time I was using a cheap ASUS laptop at work and a homebrew PC at my apartment. My phone was a Verizon-specific version of the Samsung Galaxy J3, a 2016 model that cost a little over $100 new. They weren't fancy, but they’ve reliably met most of my needs for years.

For the past week and a half I had spent most of my evenings trying to port an independent mobile OS called Sailfish onto my phone without any luck. As it turned out, Verizon had locked the bootloader on my phone model, which is so obscure that no one in the vibrant Android hacking community had dedicated much time to figuring out a workaround. If I wanted to use Sailfish, I was going to have to get a different phone.

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More in Tux Machines

Games: Tannenberg, Project Zomboid and Jackbox Party Pack 6

  • Tannenberg the WWI FPS adds the new Ukraine map, still on sale in a bundle

    M2H and Blackmill Games have just release another pretty big update to Tannenberg, their impressive WWI first-person shooter. Today's update adds in the Ukraine map which the developers say has plenty of open ground for HMGs to get you in their sights, with extensive trench networks to give some cover.

  • Project Zomboid just had the biggest Beta release ever overhauling loads of features

    Move over 7 Days to Die, you're not the only Zombie survival game in town with a recent overhaul. Project Zomboid is another that just released an absolutely massive Beta update to try out. Included in their "IWBUMS" (I Will Back Up My Save) Beta branch on Steam (not on GOG until stable) is the first step towards Project Zomboid version 41. The amount of changes included is quite ridiculous. The Indie Stone even said it's the "most fundamental and wide-ranging update that Project Zomboid has ever had" and they're not wrong. This latest Beta is work towards making Project Zomboid feel a little more alive and have a wider variety for everything. It's a foundation to bring even more big changes to PZ, with the new animation work in this build helping to bring wild animals in the next major build. This Beta is expected to last a while, as they have more to add back into it.

  • The Jackbox Party Pack 6 has officially released with Linux support

    In the mood to have a party? Well you're in luck as The Jackbox Party Pack 6 is now available with Linux support. Continuing their great support of Linux gaming, all six packs have Linux versions which is excellent! What makes the Jackbox Party Pack (any of them) great is how you connect to play them. No need to hook up 4 or 5 gamepads, stretch wires across the floor or anything annoying like that. You load the game, tell everyone to pull out their phone or tablet and connect up to their website with a room code and—pop, you're in the game.

GhostBSD Reaffirms To Being TrueOS+BSD Desktop OS With Official MATE Desktop

With Project Trident moving away from a TrueOS/FreeBSD base to instead Void Linux, if you are looking for a good BSD-based desktop operating system it largely comes down to the likes of MidnightBSD and GhostBSD providing good out-of-the-box setups. As for GhostBSD, they are reaffirming their commitment to using TrueOS/FreeBSD and MATE as their official desktop. The project reaffirmed on Wednesday that they are sticking to their TrueOS with FreeBSD 12-STABLE base while being a "slow-moving rolling release' that will eventually migrate to TrueOS with FreeBSD 13-STABLE after it is available. Read more Direct: Dealing with the misunderstandings of what is GhostBSD Also: Codebase: Neck Deep | BSD Now 320

OpenBSD 6.6 Released

  • OpenBSD 6.6

    This is a partial list of new features and systems included in OpenBSD 6.6. For a comprehensive list, see the changelog leading to 6.6.

  • OpenBSD 6.6 Arrives: Disables GCC In Base For ARMv7/i386, SMP Improvements, AMDGPU Added

    Theo de Raadt released OpenBSD 6.6 today as the newest feature update to this popular BSD operating system known for its security focus. OpenBSD 6.6 has moved to disabling GCC in its base packages for i386 and ARMv7, LLVM Clang platform support has been expanded, various SMP improvements and more system calls being unlocked, improved Linux compatibility with ACPI interfaces, a number of new hardware drivers, wired and wireless networking stack improvements, various installation enhancements, and the never-ending work on improving the security. OpenBSD 6.6 ships with OpenSSH 8.1, LibreSSL 3.0.2, OpenSMTPD 6.6, and other updated packages.

antiX-19 isos available.

antiX-19 is based on Debian Buster and systemd-free. As usual we offer the following systemd-free flavours for both 32 and 64 bit architecture. Read more