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Wednesday, 26 Sep 18 - Tux Machines is a community-driven public service/news site which has been around for over a decade and primarily focuses on GNU/LinuxSubscribe now Syndicate content

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Quick Roundup

Type Title Author Replies Last Postsort icon
Story Android Leftovers Rianne Schestowitz 26/09/2018 - 9:22am
Story An introduction to swap space on Linux systems Rianne Schestowitz 26/09/2018 - 9:07am
Story 3 open source distributed tracing tools Rianne Schestowitz 26/09/2018 - 9:05am
Story Red Hat and Fedora News Roy Schestowitz 26/09/2018 - 6:51am
Story WireGuard v6 Might Be Ready For The Mainline Kernel, ARM Changes Added Roy Schestowitz 26/09/2018 - 6:35am
Story Spanish Education Distribution Escuelas Linux is Now Available in English Roy Schestowitz 26/09/2018 - 6:26am
Story today's howtos Roy Schestowitz 26/09/2018 - 6:13am
Story Programming: Troubleshooting Node.js, Python 2, SDL2 Roy Schestowitz 26/09/2018 - 6:01am
Story How Linux Logo "Tux" Came About Roy Schestowitz 26/09/2018 - 5:52am
Story My code of conduct Roy Schestowitz 7 26/09/2018 - 5:44am

An introduction to swap space on Linux systems

Filed under
Linux

Swap space is a common aspect of computing today, regardless of operating system. Linux uses swap space to increase the amount of virtual memory available to a host. It can use one or more dedicated swap partitions or a swap file on a regular filesystem or logical volume.

There are two basic types of memory in a typical computer. The first type, random access memory (RAM), is used to store data and programs while they are being actively used by the computer. Programs and data cannot be used by the computer unless they are stored in RAM. RAM is volatile memory; that is, the data stored in RAM is lost if the computer is turned off.

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3 open source distributed tracing tools

Filed under
OSS

Distributed tracing systems enable users to track a request through a software system that is distributed across multiple applications, services, and databases as well as intermediaries like proxies. This allows for a deeper understanding of what is happening within the software system. These systems produce graphical representations that show how much time the request took on each step and list each known step.

A user reviewing this content can determine where the system is experiencing latencies or blockages. Instead of testing the system like a binary search tree when requests start failing, operators and developers can see exactly where the issues begin. This can also reveal where performance changes might be occurring from deployment to deployment. It’s always better to catch regressions automatically by alerting to the anomalous behavior than to have your customers tell you.

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Red Hat and Fedora News

Filed under
Red Hat

WireGuard v6 Might Be Ready For The Mainline Kernel, ARM Changes Added

Filed under
Linux

The lead developer of the WireGuard in-kernel secure VPN tunnel, Jason Donenfeld, published his sixth round of patches on Tuesday for getting this important networking code and its related Zinc crypto code into the mainline kernel. It's looking like the code might have baked enough for debut in the upcoming 4.20~5.0 kernel cycle.

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Also: Linux Plumbers Conference: Regular Registration Quota Reached

Spanish Education Distribution Escuelas Linux is Now Available in English

Filed under
GNU
Linux

Escuelas Linux is an educational Linux Distribution based on Bodhi Linux. Escuelas (Escuela is Spanish for “School”) includes a host of educational software.

It is used by more than 180,000 students and teachers in schools. So what makes Escuelas Linux a preferred choice for educational institutes? Well, apart from a vast selection of educational softwares, Escuelas Linux completely configured user accounts and thus it can be immediately used by a new user (student) without any configuration changes.

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Programming: Troubleshooting Node.js, Python 2, SDL2

Filed under
Development
  • Troubleshooting Node.js Issues with llnode

    The llnode plugin lets you inspect Node.js processes and core dumps; it adds the ability to inspect JavaScript stack frames, objects, source code and more. At Node+JS Interactive, Matheus Marchini, Node.js Collaborator and Lead Software Engineer at Sthima, will host a workshop on how to use llnode to find and fix issues quickly and reliably, without bloating your application with logs or compromising performance. He explains more in this interview.

  • Bytes, Characters and Python 2

    An old joke asks "What do you call someone who speaks three languages? Trilingual. Two languages? Bilingual. One language? American."

    Now that I've successfully enraged all of my American readers, I can get to the point, which is that because so many computer technologies were developed in English-speaking countries—and particularly in the United States—the needs of other languages often were left out of early computer technologies. The standard established in the 1960s for translating numbers into characters (and back), known as ASCII (the American Standard Code for Information Interchange), took into account all of the letters, numbers and symbols needed to work with English. And that's all that it could handle, given that it was a seven-byte (that is, 128-character) encoding.

  • SDL's 2D Render API Getting Improved With New Batching System

    Prolific Linux game porter/developer Ryan Gordon has been tackling improvements to the SDL2 library's 2D rendering code with the introduction of a batching system.

    With the current SDL2 library when using its render API, calls are immediately dispatched where as with this batching system the draw requests are stored in batches and then dispatched to the GPU when needed. Those batches are sent to the GPU when needed via SDL_RenderPresent or other relevant operations.

How Linux Logo "Tux" Came About

Filed under
Linux

Linux is a very popular topic among computer geeks, especially FOSS enthusiast. It is a kernel that manages the computer hardware at the lowest level. Many associates Linux as another popular Operating System like Microsoft Windows and OS X. It is invented by a Finnish computer science student Linus Torvalds on September 17, 1991 and around that time, there arose the need for creating a Linux logo in the year 1996.

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Ubuntu Minimal Install

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Ubuntu

Today we will be going over the installation of the minimalist version of Ubuntu 18.04. You may be thinking of a minimalistic version of a Linux distro as the bare minimum version of a system. If so, you would be correct. The system we are going to install from comes in a 64MB ISO image.
​You can find the image to download in the Ubuntu help wiki for minimalist versions. You will find some important information regarding the burning of images to a CD or a USB stick (I use dd), and even a few pointers to get started. You will also see information about installation on UEFI based systems. It does lack support for UEFI; however, for the purposes of this guide, the system will be installed on a virtual machine.

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Linux Foundation and Networking

Filed under
Linux
OSS
  • Communications Service Providers Overwhelmingly Confident in Open Source Networking Solutions, Survey Finds

    The Linux Foundation, the nonprofit organization enabling mass innovation through open source, today announced the results of an industry survey to gauge industry perceptions of open source across networking technologies. Top takeaways from the survey indicate an increasing maturity of open source technology use from operators, ongoing innovation in areas such as DevOps and CI/CD, and a glimpse into emerging technologies in areas such as cloud native and more.

  • The Linux Foundation Brings Network Automation and Cloud Native Communities Together as Network Functions evolve to CNFs

    Open Networking Summit Europe -- The Linux Foundation, the nonprofit organization enabling mass innovation through open source, today announced further collaboration between telecom and cloud industry leaders enabled by the Cloud Native Computing Foundation (CNCF) and LF Networking (LFN), fueling migrations of Virtual Network Function (VNFs) to Cloud-native Network Functions (CNFs).

  • LF Networking Unites End-to-End Open Network Stack, Simplifies Open Source Software Consumption

    Open Networking Summit Europe -- LF Networking (LFN), which facilitates collaboration and operational excellence across open networking projects like ONAP and OPNFV, today announced continued ecosystem value chain disruption across its projects.

  • Orchestration & Open Source for 5G

    A 2016 survey by TMForum, Orchestration: Get Ready for the Platform Revolution, found that "orchestrating services end to end across virtualized and physical infrastructure, including partners' networks, is proving to be one of the most difficult operational challenges for communications service providers and their suppliers." As early as 2014, Axel Clauberg, VP of Aggregation, Transport, IP and Infrastructure Cloud Architecture at Deutsche Telekom, coined the phrase "zoo of orchestrators" to describe the mish-mash of management systems vendors were pushing to manage their siloed NFV solutions.

Security: Updates, Reproducible Builds and YubiKey

Filed under
Security

AMD EPYC On Ubuntu 18.10 Putting Up A Stronger Fight Against Xeon Gold

Filed under
Graphics/Benchmarks
Hardware
Ubuntu

With hitting the home stretch to Ubuntu 18.10, I've started with my usual benchmark process for checking out this next Ubuntu Linux release dubbed the Cosmic Cuttlefish. Yesterday were Ubuntu 18.10 benchmarks on seven desktop systems from Intel and AMD while next on my agenda has been checking out the server performance. Here's the first of those server tests on Ubuntu 18.10 with some initial AMD EPYC and Intel Xeon Gold tests.

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Ubuntu 18.10’s New Wallpaper is Cosmically Cute

Filed under
Ubuntu

The striking new background was attached to a bug report on Launchpad, and arrives just in the nick of time. The sole Ubuntu 18.10 beta is released tomorrow.

If you’re running the Ubuntu 18.10 daily builds you’ll get the new Ubuntu 18.10 wallpaper as an update to the Ubuntu wallpapers package, so keep an eye on update manager.

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Mozilla: Rust, Servo, Firefox Monitor and Curl

Filed under
Moz/FF
  • The Rust Programming Language Blog: Announcing Rust 1.29.1

    The Rust team is happy to announce a new version of Rust, 1.29.1. Rust is a systems programming language focused on safety, speed, and concurrency.

  • This Week In Servo 114

    Big shout-out to @eijebong for digging into the underlying cause of an ongoing, frustrating intermittent problem with running websocket tests in CI.

  • Mozilla Launches Firefox Monitor To Alert You When Your Data Is Breached

    Mozilla just launched a free service called Firefox Monitor to help users find out whether their accounts have been a part of the numerous data breaches that occur every year.

    Just enter your email ID on the Firefox Monitor website and get it scanned to find any cases of compromised online accounts.

  • Daniel Stenberg: 10,000 stars

    On github, you can 'star' a project. It's a fairly meaningless way to mark your appreciation of a project hosted on that site and of course, the number doesn't really mean anything and it certainly doesn't reflect how popular or widely used or unused that particular software project is. But here I am, highlighting the fact that today I snapped the screenshot shown above when the curl project just reached this milestone: 10,000 stars.

    In the great scheme of things, the most popular and starred projects on github of course have magnitudes more stars. Right now, curl ranks as roughly the 885th most starred project on github. According to github themselves, they host an amazing 25 million public repositories which thus puts curl in the top 0.004% star-wise.

Games: Pathfinder: Kingmaker, Pillars of Eternity II, Mark of the Ninja, Timespinner

Filed under
Gaming
  • The RPG 'Pathfinder: Kingmaker' is out with critical bugs in the Linux version

    The RPG Pathfinder: Kingmaker is out today from Owlcat Games and Deepsilver, sadly the Linux version has some critical bugs.

    GOG provided me with a key, so at release today I went to download it only to find no Linux download. When speaking to my GOG contact, they confirmed a critical bug was found where the game will completely crash if you try to load a saved game. This is also confirmed by users on the Steam forum. Due to this, there's no ETA on GOG having any Linux build available and I can't blame them for that, this is down to Owlcat Games to solve.

  • Pillars of Eternity II: Deadfire - Seeker, Slayer, Survivor is now out, some thoughts on the brawling

    The latest DLC for the engaging RPG, Pillars of Eternity II, sees you thrust into bloody arena combat. I spent some time overcoming the trials and have some thoughts to share.

  • Mark of the Ninja Remastered from Klei Entertainment due out on October 9th

    Mark of the Ninja was a damn fun game and it's one I'm pretty happy to see remastered, it has a trailer and a release date now too. Due out on October 9th, hopefully with the Linux version ready then.

    When we spoke to Klei a few months ago, they clearly said it will have a Linux version but they weren't sure if it would be ready in time. The Steam page is now up, which does have a SteamOS + Linux system requirements section, along with a SteamOS icon so given how close it is to release it looks like we're good. Even if there ends up being a small wait, Klei games are worth it. Small update: I asked Klei about a Linux build, they replied with "yeeeeup".

  • Timespinner, a polished and fun metroidvania, is now available

    Traveling back and forth in time is seldom easy and often carries risks. I braved the odds and have thoughts to share about this new metroidvania.

Announcing the release of Fedora 29 Beta

Filed under
Red Hat

The Fedora Project is pleased to announce the immediate availability of Fedora 29 Beta, the next big step on our journey to the exciting Fedora 29 release.

Download the prerelease from our Get Fedora site:

Get Fedora 29 Beta Workstation
Get Fedora 29 Beta Server
Get Fedora 29 Beta Atomic
Get Fedora 29 Beta Silverblue

Or, check out one of our popular variants, including KDE Plasma, Xfce, and other desktop environments, as well as images for ARM devices like the Raspberry Pi 2 and 3...

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Also: Fedora Linux 29 beta rolls out

today's leftovers

Filed under
Misc
  • Open Source Challenge: Why One Band Chose Linux To Record Their New Album
  • AMD Publishes Platform QoS Patches For Next-Gen Processors

    This afternoon AMD sent out their first Linux kernel patches for what might end up being a new feature for the "EPYC 2" / Zen 2 processors.

  • Education Ecosystem Joins Enterprise Ethereum Alliance & Linux Foundation

    Education Ecosystem, a blockchain company building the Netflix for professional development has today announced that it is joining two nonprofit organizations. Enterprise Ethereum Alliance (EEA) the world's largest open source blockchain initiative & the Linux Foundation, an organization dedicated to building sustainable ecosystems around open source projects to accelerate technology development and industry adoption.

  • Enterprise Ethereum Alliance & Linux partners with Netflix developer, Education Ecosystem

    The world of blockchain witnessed a new event with Education Ecosystem partnering with Linux Foundation and Enterprise Ethereum Alliance. The notification released on 25th September suggests that the latter two are non-profitable firms. Linux Foundation is one of the prominent technology developers of the world, whereas, Enterprise Ethereum Alliance [EEA] is directed towards promoting applications based on Ethereum blockchain platform.

  • openSUSE Conference 2020: Call for Hosts

    The openSUSE Project is pleased to announce that it is accepting proposals for openSUSE Conference 2020. The Call for Hosts will be open until April 15, 2019.

    The openSUSE Conference Organizational Team will review the submissions with the hopes of having a decision announced about the location of oSC20 at the openSUSE Conference 2019 in Nuremberg, Germany. Community members and open-source enthusiasts are encouraged to follow the Conference How To guide on the wiki to submit a proposal on hosting the conference. The guide offers a How to Bid and How to Checklist to help with submitting a proposal.

    The proposals will need to be submitted to the openSUSE Marketing mailing list and the openSUSE Conference Organizational Team will discuss the proposals as it plans this year’s conference.

    While the openSUSE Project intends to move the conference to different worldwide locations in the future, the project has two locations (Nuremberg, Germany, and Prague, Czech Republic) to host the annual community conference if no proposals are submitted during the Call for Hosts.

  • VLC in Debian now can do bittorrent streaming

    Back in February, I got curious to see if VLC now supported Bittorrent streaming. It did not, despite the fact that the idea and code to handle such streaming had been floating around for years. I did however find a standalone plugin for VLC to do it, and half a year later I decided to wrap up the plugin and get it into Debian. I uploaded it to NEW a few days ago, and am very happy to report that it entered Debian a few hours ago, and should be available in Debian/Unstable tomorrow, and Debian/Testing in a few days.

  • macOS Mojave Privacy Bypass Flaw Allows Access to Protected Files
  • macOS Mojave Has A Security Flaw That Lets Hackers Access Your Contacts [Ed: Apple already gives all your contacts to the US government (NSA PRISM and beyond); now it'll give these to anyone...]

    A security flaw has been unearthed in macOS Mojave, Apple’s latest desktop OS update, by a well-known security researcher Patrick Wardle.

    As reported by Bleeping Computer, Wardle has discovered a bypass flaw in macOS Mojave using which hackers can gain access to contacts data from the address book with the help of an app that does not have the required permissions.

Software and Games: Hegemon, Gift of Parthax, Lutris

Filed under
Software
Gaming
  • Hegemon – A Modular System Monitor Application Written In Rust

    When it comes to monitor running processes in Unix-like systems, the most commonly used applications are top and htop, which is an enhanced version of top. My personal favorite is htop. However, the developers are releasing few alternatives to these applications every now and then. One such alternative to top and htop utilities is Hegemon. It is a modular system monitor application written using Rust programming language.

  • Wizard arena-fighter 'Gift of Parthax' is now officially out on Linux

    Announced yesterday after a pretty short beta period, the magical arena fighting game Gift of Parthax is now officially available for Linux. Along with putting the Linux build out in public, their latest release also fixes a few bugs.

    The developer sent over a key and I've been testing it, the Linux version seems to be working really quite nicely. If you liked the idea of Wizard of Legend, but found it a little too fast for your tastes then Gift of Parthax might be a better fit although it's single-player only.

  • Lutris 0.4.20 is now out, to help you manage all your games plus some Overwatch testing

    I have to admit, the game manager Lutris [Official Site] has come along quite a bit since I last used it. Today, version 0.4.20 was made available.

    For those not aware of it, Lutris is an application that aims to give you a single place to manage all your games on Linux. It supports native games, Wine, various emulators and so on. The application itself is available under the GPL and the helper scripts to install games can be viewed before using them so it's quite nice.

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