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SciFi

Stellarium 0.20.3 Released with Tons of Changes [Ubuntu PPA]

Filed under
Software
Sci/Tech
SciFi

Free-software planetarium Stellarium 0.20.3 was released a day ago with numerous changes. Here’s how to install it in Ubuntu 18.04, Ubuntu 20.04 via PPA.

Stellarium 0.20.3 fixed nutation and, with it, season beginning times, included many changes in AstroCalc tool, Oculars and Satellites plugins, and updated DSO catalog.

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Help with COVID-19 research using Folding@home on Linux

Filed under
GNU
Linux
SciFi

Right now, every human on the planet is affected in some way by the COVID-19 pandemic. Many people are looking for ways they can help. People are making masks and starting projects to invent or provide critical equipment. One thing you can do is donate what you have. If you're like me, you have computing hardware sitting idle much of the time—that's a resource that can contribute to finding a solution to the COVID-19 pandemic, as well as things like Alzheimer's disease and cancer.

[...]

Folding@home started in 2000 with volunteers donating CPU and GPU time on computers that would otherwise be idle to work on things like creating antibiotics and curing cancer, and since then has made many important contributions. Currently, Folding@home makes more than 100 petaflops of processing power available to researchers. One current high-priority project is the research being done to find ways to combat the COVID-19 pandemic.

The Folding@home software can be installed on almost any computer. There are client downloads for Windows, macOS, and Linux. There is a VMware appliance. There are also projects to get the client running on Android and a Chrome plugin. There's even a Docker image.

In this article, we’ll look at the Linux install and configuration, and we’ll look at a headless install for CentOS 7 that you can use to build multiple VMs.

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9 open source robotics projects

Filed under
OSS
SciFi

Open source isn't just changing the way we interact with the world, it's changing the way the world interacts back with us. Case in point: open source robotics.

Robots are playing an increasing role in our world, and while we perhaps haven't reached the utopian future with robotic housekeepers imagined for us in the Jetsons, robotics are making advances in fields that fifty years ago would have been completely unimaginable.

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Introducing MrRobot, Ubuntu Touch App Enabled Robotics Powered by Raspberry Pi

Filed under
Linux
SciFi

Today we have the great pleasure of introducing you to a brand-new project developed during the Ubuntu ShenZhen hackathon by Joseph Wang. It is called MrRobot, just like the TV show we taked about in a couple of articles right here on Softpedia.

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Linux-based bipedal robot endures kicks and dodgeball attacks

Filed under
Linux
SciFi

OSU demonstrated its speedy, bipedal ATRIAS robot withstanding a barrage of kicks and dodgeballs. ATRIAS runs on ROS and a real-time Xenomai Linux kernel.

Researchers at Oregon State University’s Dynamic Robotics Laboratory have demonstrated their Linux-driven ATRIAS robot withstanding a considerable beating while keeping its cool. OSU recently posted videos of its unusual torture testing procedures, which include human kicks and a barrage of dodgeballs, as reported by IEEE Spectrum. Eventually, the human-sized bipedal robot is knocked from its feet, but not before it absorbs a lot of hits. The robot protects itself with strategies such as side stepping and hopping on one foot

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Linux for Astronomers

Filed under
GNU
Linux
SciFi

I've looked at specialty distributions that were created for engineers and biologists in previous articles, but these aren't the only scientific disciplines that have their own distributions. So in this article, I introduce a distribution created specifically for astronomers, called Distro Astro. This distribution bundles together astronomy software to help users with tasks like running observatories or planetariums, doing professional research or outreach.

From the very first moment of booting up Distro Astro, you will notice that this distribution is aimed at astronomers. The look and feel of items, from the boot splash screen to wallpapers and screensavers, have all been given an astronomical theme. Even the default wallpaper is a slideshow of Hubble images.

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Imitate Fake Hollywood Terminal Hacking Melodrama with This Amazing App for Ubuntu

Filed under
GNU
Linux
Movies
SciFi
Humor

We all know that Hollywood movies are the worst place to see some accurate depiction of anything from real life and that includes computer terminals. Well, there is a solution for that now and we can only hope that some misguided producer will see the new "hollywood" package made for this exact purpose.

Hollywood movie producers invest a lot of time and money in custom interfaces and GUIs that don't really do anything, but they think they’re nice and interesting on film. Most of the time, someone is hacking away by typing frenetically while windows with crazy stuff open and close. This is why this kind of image is now seared into the public's consciousness and hacking looks more exciting than in real life. It isn't.

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NASA’s R2 bot to receive legs via SpaceX

Filed under
Linux
SciFi

The 330-pound Robonaut 2 measures 3 feet, 4 inches tall from the waist, and is equipped with more than 350 sensors. Its stomach-located brain runs Linux on 38 PowerPC-based processors. The robot is operated remotely by humans, using the Robonaut Tele-operation System (RTS). This telerobotics system requires a ground- or space-based user to wear a 3D visor, vest, and pressure-sensitive gloves. (For more on the R2, see our original coverage.)

According to the OSRF, the R2 team also uses the open source Gazebo simulator to simulate R2 for development and testing. NASA and ROS.org released their Gazebo models of the R2 and the ISS as open source.

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Top 10 tech tricks we're sick of seeing in movies

Filed under
Movies
Sci/Tech
SciFi

cnet.com: Think how awesome it was the first time you saw a lightsaber in action. Or how your mind was officially shredded when Neo mastered the Matrix. Technology in movies is cool. But for every thrilling example of cool-ass tech, Hollywood seems to produce a tired, dated cliche.

Michael Crichton, million-selling science-fiction author, dies at 66

Filed under
SciFi
Obits

latimes.com: Best-selling author Michael Crichton, who wrote such novels as "The Andromeda Strain" and "Jurassic Park," and created the popular TV drama "ER," has died at 66, his family said today.

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More in Tux Machines

pg_statement_rollback v1.3 released

pg_statement_rollback is a PostgreSQL extension to add server side transaction with rollback at statement level like in Oracle or DB2. Release v1.3 of pg_statement_rollback was released. This is a maintenance release to add support to PostgreSQL 14. See ChangeLog for a complete list of changes. Read more Also: PostgreSQL Weekly News - October 24, 2021

Review: Ubuntu 21.10

Ubuntu 21.10 (code name Impish Indri) and its many variant flavors were released on October 14. This release is a non-Long Term Support release, meaning it will be supported for nine months. Like all new releases of Ubuntu, Ubuntu 21.10 comes with numerous updates and enhancements. The most notable of these changes are the customized GNOME 40 desktop and Firefox being a Snap instead of a Deb package. Both of these changes are explored in depth in this review. Installing Ubuntu 21.10 I began by downloading the 2.9GB ISO and copying it to a flash drive. Booting the computer from the flash drive resulted in an extremely familiar experience. Unfortunately, the new installer currently being worked on did not make it into this release, so Ubuntu 21.10 still provides the same installation experience as all the recent releases of Ubuntu. Read more

Indie dev finds that Linux users generate more, better bug reports

An indie developer has found an interesting observation: Though only 5.8% of his game's buyers were playing on Linux, they generated over 38% of the bug reports. Not because the Linux platform was buggier, either. Only 3 of the roughly 400 bug reports submitted by Linux users were platform specific, that is, would only happen on Linux. The developer, posting as Koderski for developer Kodera Software on Reddit, makes indie game ΔV: Rings of Saturn—that's Delta V, or DV, for the non-rocket-science-literate. It's a hard science, physics-based space mining and piracy game that I quite like, personally, for its blend of playability that still honors the basics of spaceflight. If you quite like the space combat of, say, The Expanse, DV is a sim that might be for you. Koderski says he's sold a little over 12,000 copies of his game, and about 700 of those were bought by Linux players. "I got 1040 bug reports in total, out of which roughly 400 are made by Linux players," says Koderski's post. "That’s one report per 11.5 users on average, and one report per 1.75 Linux players. That’s right, an average Linux player will get you 650% more bug reports." Koderski's numbers are a limited sample size drawn from one person's experience, but tell a compelling story. Read more

today's howtos

  • How to use and install Stremio on Linux

    Stremio is a media center that allows users to watch movies, TV shows, and even YouTube videos instantaneously. It also supports DLNA and many other features. Here’s how to use Stremio on Linux.

  • Deploying containers with Consfigurator

    For some months now I’ve been working on some patches to Consfigurator to add support for Linux containers. My goal is to make Consfigurator capable of both performing the initial setup of a container and of entering the running container to apply configuration. For the case of unprivileged LXCs running as non-root, my work-in-progress branch can now do both of these things. As Consfigurator enters the container directly using system calls, it should be decently fast at configuring multiple containers on a host, and it will also be possible to have it do this in parallel. The initial setup for the container uses Consfigurator’s existing support for building root filesystems, and it should be easy to extend that to support arbitrary GNU/Linux distributions by teaching Consfigurator how to invoke bootstrapping tools other than debootstrap(8).

  • Vincent Bernat: FRnOG #34: how we deployed a datacenter in one click

    The presentation, in French, was recorded. I have added English subtitles.

  • How to install FileZilla on a Chromebook

    Today we are looking at how to install FileZilla on a Chromebook. Please follow the video/audio guide as a tutorial where we explain the process step by step and use the commands below.

  • How to Install Zoom Client on Fedora 35 - LinuxCapable

    Zoom is a communications technology platform that provides videotelephony and real-time online chat services through a cloud-based peer-to-peer software platform and is used for teleconferencing, telecommuting, distance education, and much more.

  • How to Install Sails.js Framework with Nginx on Rocky Linux 8 - LinuxCapable

    Sails.js is a Javascript framework that you can use to easily and quickly build customized enterprise-grade for Node.js. It resembles the MVC architecture from such frameworks as Ruby on Rails, but with improved support for the more data-oriented modern style of developing web applications and is compatible with other front-end including Angular, React, iOS, Android, Windows Phone, and much more. In the following tutorial, you will learn how to install Sails.js and access the web-based interface by installing and configuring an Nginx reverse proxy setup on Rocky Linux 8.

  • How to Zip and Unzip Files on Android (RAR, ZIP, 7Z) - Make Tech Easier

    If your job demands that you send many large files, or if you just want an easy way to send a large number of pictures to someone, zip files are a necessity – even on your phone! This article shows how to compress or decompress large files on your Android smartphone.

  • How to Install Python Pip / PIP3 on Debian 11 Bullseye - LinuxCapable

    PIP is the standard package manager for installing Python packages. With PIP, you can list, search and download to install packages from the Python Package Index (PyPI). PIP was first included with the Python installer since version 3.4 for Python 3 release and 2.7.9 for Python 2 and is well utilized with many Python projects. In the following tutorial, you will learn how to install the PIP / PIP2 or PIP3 on Debian 11 Bullseye operating system.

  • How to Install Google Chrome on openSUSE Leap 15 - LinuxCapable

    ogle Chrome is the most used Internet Explorer software on the earth, with a recent update in 2021 that Chrome is currently the primary browser of more than 2.65 billion internet users. However, as you would know, after installing openSUSE, only Mozilla Firefox is packaged with the distribution but luckily, installing Google Chrome is a straightforward task. In the following tutorial, you will learn how to install Google Chrome in three various ways in stable, beta, or unstable versions on openSUSE Leap 15.

  • How to browse Reddit from the Linux desktop with Giara

    If you like Reddit but prefer to browse from an app, Giara may be for you. It is a Linux app that allows users to consume Reddit content from the desktop. In this guide, we’ll show you how to install it and use it on your system. Note: You must have a Reddit account to make use of the Giara application on Linux. To create a new Reddit account, head over to Reddit and click on the new “sign up” button.

  • How to Install Brave Browser on openSUSE Leap 15 - LinuxCapable

    Brave is a free and open-source web browser developed by Brave Software, Inc. based on the Chromium web browser. Brave is a privacy-focused Internet web browser, which distinguishes itself from other browsers by automatically blocking online advertisements and website trackers in its default settings. Brave has claimed its browser puts less strain on your computer’s performance than Google Chrome, regardless of how much you ask of it. Even with multiple tabs open at once, Brave uses less memory than Google Chrome-like, up to 66% less. In the following tutorial, you will learn how to install Brave on openSUSE Leap 15.

  • How to Install / Upgrade to Latest Nginx Mainline or Stable on openSUSE Leap 15 - LinuxCapable

    For those using openSUSE 15 Leap, you might have noticed that installing Nginx directly from its repository does not install the latest stable or mainline version. This is a common trend in most distributions that focus on the stability of packages and provide only urgent bug or security updates until the subsequent major distribution. For most, using the default Nginx that comes bundled with the repository will be preferred, but often many require and want the latest version of stable or mainline for updated features. The following tutorial will cover installing the last stable or mainline versions of Nginx on openSUSE 15 Leap.

  • How to Add a User to Sudoers on openSUSE - LinuxCapable

    When installing openSUSE, the user account that was created during the initial setup has sudo rights. However, there may be a need to add additional sudo users or make the default user have sudo rights. This is a straightforward process with a few commands. In the following tutorial, you will learn to add a user to the sudoers group on any openSUSE system.

  • How to easily download and install apps on Linux with AppImage Pool

    AppImagePool is an AppImageHub client for Linux. With it, users can easily browse and download AppImages from the AppImageHub store. Here’s how to get it working on your Linux system.