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Liberal Hardware

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  • Google, HP, Oracle Join RISC-V

    RISC-V is on the march as an open source alternative to ARM and Mips. Fifteen sponsors, including a handful of high tech giants, are queuing up to be the first members of its new trade group which will host next week its third workshop for the processor core.

    RISC V is the latest evolution of the original RISC core developed more than 25 years ago by Berkeley’s David Patterson and Stanford’s John Hennessey. In August 2014, Patterson and colleagues launched an open source effort around the core as an enabler for a new class of processors and SoCs with small teams and volumes that can’t afford licensed cores or get the attention of their vendors.

  • An Open Source Reference Architecture For Real-Time Stock Prediction

    While this post does not cover the details of stock analysis, it does propose a way to solve the hard problem of real-time data analysis at scale, using open source tools in a highly scalable and extensible reference architecture. The architecture below is focused on financial trading, but it also applies to real-time use cases across virtually every industry. More information on the architecture covered in this article is also available online via The Linux Foundation, Slideshare, YouTube, and Pivotal Open Source Hub, where the components in this architecture can be downloaded.

  • Open-Source Tessellation Lands For Pre-Broadwell Intel Hardware

    Back on Christmas was news of patches for implementing tessellation shader support for Intel Ivy Bridge and Haswell graphics hardware after support had already landed for Broadwell and newer within the Mesa driver. Support for those older generations is now present in Mesa.

    As of this afternoon, Kenneth Graunke's work for implementing GL_ARB_tessellation_shader support for Ivy Bridge and Haswell is now within Mesa Git master. This makes tessellation support implemented for all hardware capable of doing so -- Sandy Bridge and older are not.

More in Tux Machines

How to solve NetBeans IDE 8.2 RC No compatible JDK was found?

When you trying to install NetBeans IDE 8.2 RC in your Linux based system it shows you the error “No compatible JDK was found” What does mean of no compatible JDK was found? It means that you have to install JDK or you have to use a different version of JDK most probably “JDK 8” will work. By Default, JDK 11 is installed in our system so we have to download JDK 8 and change the default version with java 8. So ,I’ll show you how to resolve this minor issue. Read more

today's howtos

  • Renaming and reshaping Scylla tables using scylla-migrator

    We have recently faced a problem where some of the first Scylla tables we created on our main production cluster were not in line any more with the evolved schemas that recent tables are using. This typical engineering problem requires either to keep those legacy tables and data queries or to migrate it to the more optimal model with the bandwagon of applications to be modified to query the data the new way… That’s something nobody likes doing but hey, we don’t like legacy at Numberly so let’s kill that one! To overcome this challenge we used the scylla-migrator project and I thought it could be useful to share this experience.

  • How to manage users in linux - The Linux Juggernaut

    User management on Linux can be done in three complementary ways. You can use the graphical tools provided by your distribution. These tools have a look and feel that depends on the distribution. If you are a novice Linux user on your home system, then use the graphical tool that is provided by your distribution. This will make sure that you do not run into problems. Another option is to use command line tools like useradd, usermod, gpasswd, passwd and others. Server administrators are likely to use these tools, since they are familiar and very similar across many different distributions. This guide will focus on these command line tools. A third and rather extremist way is to edit the local configuration files directly using vi (or vipw/vigr). Do not attempt this as a novice on production systems!

  • How To Install Django on Debian 10 - idroot

    In this tutorial, we will show you how to install Django on Debian 10. For those of you who didn’t know, Django is the most popular Python web framework designed to help developers build secure, scalable, and maintainable web applications. Django is free and open-source software, fast and stable which allows you to create a complex website with less coding. This article assumes you have at least basic knowledge of Linux, know how to use the shell, and most importantly, you host your site on your own VPS. The installation is quite simple and assumes you are running in the root account, if not you may need to add ‘sudo‘ to the commands to get root privileges. I will show you through the step by step installation of Django Web Framework on a Debian 10 (Buster).

  • How to run a program as another user on Linux - The Linux Juggernaut

    The sudo program allows a user to start a program with the credentials of another user. Before this works, the system administrator has to set up the /etc/sudoers file. This can be useful to delegate administrative tasks to another user (without giving the root password). The screenshot below shows the usage of sudo. User ‘rd’ received the right to run useradd with the credentials of root. This allows ‘rd’ to create new users on the system without becoming root and without knowing the root password.

  • Terraform with AWS S3 and DynamoDB for Remote State Files

    By default, Terraform state files are generated locally. This is not ideal when you have multiple people working on a project.

  • How to Install PHP 8 on CentOS 7/8
  • Testing xdotool linux tool .

    Xdotool is a free and open source command line tool for simulating mouse clicks and keystrokes. You can create beautiful scrips and tools with this command.

  • How to Turn Your Raspberry Pi into a Plex Streaming Media Server | Tom's Hardware

    Now that Ubuntu Desktop is available for Raspberry Pi 4, users no longer need to fiddle with terminal commands to enjoy Plex Media Server on Raspberry Pi. In this article, we will set up Ubuntu Desktop and turn our Raspberry Pi into a streaming media server. We have chosen Plex Media Server since it is available in the Ubuntu Appliance portfolio. Check out our recent article on the Ubuntu Appliance portfolio for Raspberry Pi here.

Tootle – Lightning Fast GTK+3 Mastodon Client for Linux

Looking for a mastodon client for Linux? Tootle is a simple free and open-source GTK-based Mastodon client with dark mode support. Read more

Android Leftovers