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October 2020

Audiocasts/Shows: BSDNow, Bad Voltage, Ubuntu Podcast

Filed under
GNU
Linux
BSD

     

  • BSDNow 374: OpenBSD’s 25th anniversary

    OpenBSD 6.8 has been released, NetBSD 9.1 is out, OpenZFS devsummit report, BastilleBSD’s native container management for FreeBSD, cleaning up old tarsnap backups, Michael W. Lucas’ book sale, and more.

  • Bad Voltage 3×16: Not Fun To Watch

    Stuart Langridge, Jono Bacon, and Jeremy Garcia present Bad Voltage, in which the utilities question comes up again, we create spin-off show “Sussing Out Stocks With Stuart”, and...

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  • Ubuntu Podcast from the UK LoCo: S13E32 – Sleeping northwards

    This week we’ve been escaping from Hell and using Stadia controllers over WiFi. We

    It’s Season 13 Episode 32 of the Ubuntu Podcast! Alan Pope, Mark Johnson and Martin Wimpress are connected and speaking to your brain.

Intel: Graphics, Hardware and Openwashing (in Proprietary GitHub) Monopoly

Filed under
Hardware
OSS
  • Intel Begins Their Open-Source Driver Support For Vulkan Ray-Tracing With Xe HPG - Phoronix

    Intel's open-source developers have begun publishing their patches enabling their "ANV" Vulkan Linux driver to support Vulkan ray-tracing! This is in preparation for next year's Xe HPG graphics card that will feature hardware-accelerated ray-tracing.

    Jason Ekstrand as the lead developer originally on the Intel ANV driver has posted today the initial ray-tracing code for ANV in order to support VK_KHR_ray_tracing for their forthcoming hardware. Today is the first time Intel has approved of this open-source code being published and more is on the way. The code today isn't enough for Vulkan ray-tracing but more is on the way and based against the latest internal Khronos ray-tracing specification. At the moment they are not focusing on the former NVIDIA-specific ray-tracing extension but may handle it in the future if game vendors continue targeting it rather than the forthcoming finalized KHR version.

  • Intel Reveals Few More Details Regarding 11th Gen "Rocket Lake" Processors - Phoronix

    While 11th Gen "Rocket Lake" desktop processors aren't expected to be released until the end of Q1'2021, given the interest building around AMD Ryzen 5000 "Zen 3" processors, Intel revealed a few more details today about their next-generation wares.

    Intel reiterated that Rocket Lake S is on track for Q1'2021 and will combine Cypress Cove cores with Gen12 Xe Graphics. Nothing new and was already expected based on prior Linux patches. Intel says that Rocket Lake will provide "double-digit percentage IPC performance improvements" gen-over-gen and enhanced graphics.

  • Intel's oneDNN Continues Improving Support For Non-Intel Hardware - Phoronix

    Earlier this year was the surprising move of Intel's oneDNN neural network library adding AArch64 support and that was then complemented by adding IBM POWER support to this neural network library that is part of their oneAPI collection. Now with the latest oneDNN 2.0 beta they have furthered the support and performance for non-Intel hardware.

    Not only is there IBM POWER (PowerPC 64) support but IBM z (390x) is also now supported by this library formerly known as MKL-DNN and DNNL. This library is focused on providing the "building blocks" for constructing deep learning applications.

today's howtos

Filed under
HowTos
  • Install a free Let's Encrypt SSL certificate on Debian 10 - PragmaticLinux

    This PragmaticLinux article teaches you how to generate a free Let's Encrypt SSL certificate and install it on your Debian based web server.

  • Install Squid Proxy On Ubuntu 20.04 | Itsubuntu.com

    Squid is a caching proxy for the Web. It has support for the HTTP, HTTPS, FTP, and other protocols. It helps to speed up a web server by caching repeated requests, caching web, DNS and access geo-restricted content.

  • How to Install Pandora FMS Monitoring Tool in Ubuntu 20.04

    Pandora FMS also know as "Pandora Flexible Monitoring System" is a monitoring tool used for servers, networks, applications, and virtual infrastructure. It is simple, scalable and suitable for complex and larger environments. It uses several protocols including, TCP, UDP, SNMP, HTTP and agents to collect the different metrics. You can monitor the status and performance of web servers, database servers, applications, routers, and other network devices using the Pandora FMS.

  • Display Git Repository Summary In Terminal Using Onefetch - OSTechNix

    Onefetch is a command line tool to display Git repository summary in terminal. Onefetch is like Neofetch but for Git repositories only.

  • How To Install AnyDesk on CentOS 8 - idroot

    In this tutorial we will show you how to install AnyDesk on CentOS 8, as well as some extra required package by AnyDesk

  • How to Format a USB drive in Debian

    Formatting a USB is a common operation in most computer systems and it comes in handy in a number of ways. For instance, you can format a USB drive if it gets infected with a virus, and data is corrupted or you want to change the file system as it is not compatible with your OS. Similarly, it can be helpful if you want to completely wipe off the old data so that you can fully use the storage space. So whatever the reason, you can easily format your USB device through different methods in a Debian operating system.

    In this article, I will show you different methods to format a USB drive on the command-line and on Debian Desktop. You can use either of them based on your preferences.

    Note that we have run the commands and procedure mentioned in this article on a Debian 10 system.

  • Linux Netstat Command Tutorial for SysAdmins [40 Examples]

    The netstat (network statistics) utility in Linux provides information related to network connections. You can use various netstat commands to display active network connections, interface data, routing tables, and so on. These are essential information for network admins and infosec professionals. That’s why we have prepared this guide with a wide selection of useful netstat examples. After completing this guide, you will be able to inspect all the network-related information for your Linux machine. We also encourage readers to try these examples on their own machine for obtaining a more hands-on experience.

  • Linux Fu: Troubleshooting Incron | Hackaday

    You probably know about cron, a program that lets you schedule programs to run at various times. We’ve also talked about incron, which is very similar but instead of time, it reacts to changes in the file system. If you ever wanted to write a program that, say, detects a change in a file and automatically uploads it to a programmer, backs it up, e-mails it somewhere, or anything else, then incron might be for you. Although we’ve talked about it before, incron has some peculiarities that make it very difficult to debug problems, so I thought I’d share some of the tricks I use when working with incron.

    I was thinking about this because I wanted to set up a simple system where I have a single document directory under git control. Changing a markdown file in that folder would generate Word document and PDF equivalents. Conversely, changing a Word document would produce a markdown version.

    This is easy to do with pandoc — it speaks many different formats. The trick is running it only on changed files and as soon as they change. The task isn’t that hard, but it does take a bit to debug since it’s a bit nontrivial.

PolarFire SoC board has GbE port and 40-pin GPIO

Sundance will soon launch an SBC-like, $995 “PolarBerry” module that runs Linux on Microchip’s FPGA-enabled, RISC-V based PolarFire SoC with 4GB DDR4 and eMMC, dual CAN, a GbE port, and RPi style 40-pin GPIO.

Microchip’s PolarFire SoC, the world’s first SoC to combine a Linux-ready RISC-V architecture CPU with an FPGA, has so far appeared on an Aries M100PFS module and Microchip’s own PolarFire SoC Icicle Kit SBC. Now, UK-based FPGA manufacturer Sundance has announced a Raspberry Pi sized PolarBerry SoM equipped with the hybrid SoC. It will soon launch on Crowd Supply for $995, with shipments due in January.

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Enable a Magic Lamp Effect on Ubuntu with this GNOME Extension

Filed under
GNOME

Called “Compiz-alike magic lamp effect”, this a free, open source GNOME Shell extension does an excellent job of recreating this famously flashy window minimisation effect on the Ubuntu desktop (as well as other Linux distros which use GNOME Shell).

The “genie effect” animation is synonymous with Mac computers as it was the default window minimisation effect used during the early years of the system. Notably, the effect was first shown off during an Apple keynote way back in 2000 — it’s been around that long!

Linux users wanting to add the animation to their systems have had several ways to do it over the years. The best known effect is the ‘Magic Lamp’ effect for Compiz, the 3D composited window manager, though (naturally) elementary OS provides it too.

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Ubuntu publisher, Samsung, Huawei join major open-source security initiative

Filed under
OSS
Security

Security has always been of utmost importance to the entire open source ecosystem.

Eric S. Raymond, one of the luminaries of the open source movement, in his famous essay, Cathedral and the Bazaar, wrote “given enough eyeballs, all bugs are shallow.” While still true, the complexity of software, and the increasing number of collaborators, puts an increasing onus on the eyeballs hunting for vulnerabilities.

In addition to well-defined security policies at a project level, virtually all of the top organisations that contribute to open source software have security initiatives of their own.

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2 Ways to Install Citrix Receiver and Connect to Desktops from Ubuntu and Other Linux

Filed under
News

After a long trial and error, I managed to get Citrix Workspace App (formerly Receiver) working in Ubuntu and Other Linux. This guide explains 2 Ways to Install Citrix Receiver and Connect to Desktops from Ubuntu and Other Linux.
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LibreOffice 7.0.3 Released with More Than 90 Bug Fixes, Update Now

Initially scheduled for the first or second week of November, LibreOffice 7.0.3 is here only three weeks after LibreOffice 7.0.2 to address some important issues discovered in the Calc component, which were introduced in the previous update, as well as to improve to document compatibility.

LibreOffice 7.0.3 includes a total of 92 bug fixes, and you can study them all here. If you’re using the LibreOffice 7.0 office suite series on your personal computer, I highly recommend that you update to the new version as soon as possible if you want to experience improved stability and reliability, hopefully without any critical bugs.

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Nvidia 455.38 Adds GeForce RTX 3070 Support, AMD Secure Memory Encryption Compatibility

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Software

Nvidia 455.38 is the second short-lived driver that Nvidia releases this month. Coming three weeks after Nvidia 455.28, this new release introduces support for the Nvidia GeForce RTX 3070 graphics card, but only on GNU/Linux and BSD platforms.

Only for Linux users, Nvidia 455.38 also adds compatibility with AMD Secure Memory Encryption, as well as support for using an Nvidia-driven display as a PRIME Display Offload sink with a PRIME Display Offload source driven by the open-source xf86-video-intel driver.

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More in Tux Machines

Distrowatch Top 5 Distributions review: MX Linux

I didn’t like the layout of the main panel being on the side, and I’m not a big fan of Xfce typically...but once I organized things a little more to my liking, I found MX Linux was a pleasure to use, responsive, fast, and had more tools than you can shake a stick at...So new users will likely not need to use the terminal for anything really, it’s all right there in nice custom-made GUI tools, however, power users may also find the simplicity of some of these tools quite handy too. Being based on Debian will also help to ensure that MX Linux stays rock solid stable, and there should rarely be crashes or broken packages. I would recommend MX Linux to anyone who cares more about stability than bleeding edge package updates, as well as people looking for a strong distribution that does not use Systemd. Read more

elementary OS 6 – A Beautiful OS for Open Source Lovers

elementary OS is an open-source Ubuntu-based distro and one of the most awesome GNU/Linux distros ever that has gained a lot of traction over the years elementary OS is usually mentioned only in light of macOS and sometimes Windows, given that it features a beautiful and consistent UI which makes it an ideal replacement; it deserves to stand out more because its active community of developers has not only successfully delivered a unique distro, all of its apps are custom built and they are lovely! It’s excellent for both Linux beginners and pros which is evident in how artistically comprehensive their online documentation is. The team succeeded in keeping to the 3 core rules of their design philosophy which are: “concision”, “avoid configuration” and “minimal documentation”. I recently gave elementary OS 6 “Odin” a test drive and here are my thoughts. Read more

today's howtos

  • iproute2 vs net-tools

    iproute2 package contains utilities for controlling and monitoring networking, IP address, and routing. It is a modern replacement for net-tools. Iproute2 is an open-source project mainly focussed on network components of the Linux kernel. The commonly used utilities inside iproute2 are ip, ss, and bridge. The below table shows the iproute2 and deprecated net-tools Linux commands.

  • How to Install & Configure Git on Linux Mint 20 - LinuxCapable

    Git is a mature, actively maintained open source project initially developed in 2005 by Linus Torvalds, the famous Linux operating system kernel creator. Git is designed for developers that need a pretty straightforward version control system. Most software is collaborative efforts and sometimes can have hundreds of people with commits working on software development projects. It is essential to track these commits customarily done in branches in most projects before being merged into the master for release. It is easy to review and track down any incorrect commits and revert, leading to a much easier development if anything goes wrong.

  • My experience installing Libero SoC in Ubuntu and Windows 10 - CNX Software

    A few weeks ago, I received Microchip PolarFire SoC FPGA Icicle Kit with FPGA fabric and hard RISC-V cores capable of handling Linux. I wrote “Getting Started with Yocto Linux BSP” tutorial for the board, and I had initially titled the current post “Getting Started with FPGA development using Libero SoC and Polarfire FPGA SoC”. I assumed I would write one or two paragraphs about the installation process, and then show how to work with Libero SoC Design Suite to create an FPGA bitstream. But instead, I spent countless hours trying to install the development tools. So I’ll report my experience to let readers avoid some of the pitfalls, and hopefully save time.

  • How To Install LAMP (Apache, MySQL, PHP) on Debian 11

    LAMP is one of the most widely used software stacks on servers because it allows us to get a working web server up and running quickly. So, in this post, you will learn how to use LAMP on Debian as well as a description of its main components.

Today in Techrights