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today's howtos

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HowTos
  • How To Install Cinnamon on Debian 11 - idroot

    In this tutorial, we will show you how to install Cinnamon on Debian 11. For those of you who didn’t know, Cinnamon is the default desktop environment of the Linux Mint distribution which offers advanced features and a traditional user experience. Cinnamon is also available as an optional desktop for other Linux distributions like Ubuntu, Fedora, Arch Linux, OpenSUSE, etc.

    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 the Cinnamon desktop environment on a Debian 11 (Bullseye).

  • Run Nexus Repository Behind Nginx Reverse Proxy - kifarunix.com

    In this tutorial, you will learn how to run Nexus repository behind Nginx reverse proxy. Nginx can be configure to proxy HTTP requests. In this setup, Nginx receives requests and passes it onto specified proxied server, fetches the response, and sends it back to the client.

  • Linux Foundation to introduce new DevOps Bootcamp
  • SUSE documentation survey 2021 – some results
  • How to install Friday Night Funkin: Neo on a Chromebook

    Today we are looking at how to install Friday Night Funkin: Neo 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 use the Buttercup password manager on Linux

    Buttercup is an advanced, open-source password vault. It encrypts your passwords with AES 256bit cryptography to keep them safe. If you’re tired of proprietary password solutions on Linux and want something open-source, you’ll love this guide.

    In this tutorial, we’ll go over how to install Buttercup on Linux. We’ll also show you how to set up your password vault and generate a secure password.

    Note: Buttercup is also available for iOS and Android in their respective app stores.

  • How to use YouTube Music on the Linux desktop

    YouTube Music is an excellent service. But, sadly, there is no official client for Linux users to enjoy the service. Thankfully, the community has taken it upon itself to create an unofficial YouTube Music app. Here’s how to use it on your system.

  • How to use the AuthPass password manager on Linux

    AuthPass is an open-source password manager for Android, iOS, Linux, Mac OS, and Windows. It is secure and a great way to save your passwords and sensitive information. In this guide, we’ll show you how to set up AuthPass on Linux and how to use it too.

  • How to install Zoom on Elementary OS 6.0 - Invidious

    In this video, we are looking at how to install Zoom on Elementary OS 6.0.

  • How to Install and Configure RabbitMQ on Debian 11

    RabbitMQ is a free, open-source and one of the most popular message broker software. It supports multiple messaging protocols and uses plugins to communicate with popular messaging solutions like MQTT. A message broker is an application that stores messages for an application. Whenever an application wants to send data to another application, the app publishes the message onto the message broker. RabbitMQ can be deployed in distributed configurations to meet high-scale, high-availability requirements.

    In this post, we will show you how to install and configure RabbitMQ message broker software on Debian 11.

  • How to Create an Amazon Machine Image (AMI) and use it on AWS

    An Amazon Machine Image (AMI) provides the information required to launch an instance. An EC2 instance can not be launched without an AMI. We can create as many instances as we want from a single AMI when we need multiple instances with the same configuration. To create an instance we can use readily available AMI or we can create our own AMI.

    To create a custom AMI we need to first launch an instance using one of the available AMIs, make the required configuration on the instance and then use that instance to create an AMI. Instances launched from this new custom AMI include the customizations that we made when we created the AMI. We can create AMIs from either running or stopped instances.

    Once we create an AMI, we can either keep it private so that only we can use it, or we can share it with a specified list of AWS accounts. We can also make our custom AMI public so that the community can use it.

More in Tux Machines

Security Leftovers

  • Linux Fixes Spectre V1 SWAPGS Mitigation After Being Partially Borked Since Last Year - Phoronix

    This week's set of "x86/urgent" changes for the Linux 5.16-rc4 kernel due out later today has some Spectre V1 fixes after kernel commits last year ended up partially messing things up around its SWAPGS handling. These fixes in turn will also likely be back-ported to relevant stable kernel series. Thanks to an Alibaba engineer, Lai Jiangshan, are some important fixes around the Spectre V1 SWAPGS mitigation that are landing today in the mainline kernel.

  • Reproducible Builds: Reproducible Builds in November 2021

    As a quick recap, whilst anyone may inspect the source code of free software for malicious flaws, almost all software is distributed to end users as pre-compiled binaries. The motivation behind the reproducible builds effort is therefore to ensure no flaws have been introduced during this compilation process by promising identical results are always generated from a given source, thus allowing multiple third-parties to come to a consensus on whether a build was compromised. If you are interested in contributing to our project, please visit our Contribute page on our website.

  • Reproducible Builds (diffoscope): diffoscope 195 released

    The diffoscope maintainers are pleased to announce the release of diffoscope version 195. This version includes the following changes:

    [ Chris Lamb ]
    * Don't use the runtime platform's native endianness when unpacking .pyc
      files to fix test failures on big-endian machines.
    

Linux 5.16-rc4

Fairly small rc4 this week. Three areas stand out in the diff: some
kvm fixes (and tests), network driver fixes, and the tegra SoC sound
fixes.

The rest is fairly spread out: drm fixes, some filesystem stuff,
various arch updates, and some smattering of random driver fixes.

Nothing looks all that scary, although I certainly hope the kvm side
will calm down.

                  Linus
Read more Also: Linux 5.16-rc4 Released - "Nothing Looks All That Scary"

EFF Argument in Patent Troll Case to Be Livestreamed on Monday

At 10 am Monday, FOSS folks and others interested in software patent litigation will have a chance to have a firsthand look at how our courts address patent cases. The case involves a “notorious patent troll,” according to Electronic Frontiers Foundation, that is trying to hide information from Apple, which it’s suing. “At a federal appeals court hearing that will be livestreamed, attorney Alexandra H. Moss, Executive Director at Public Interest Patent Law Institute, who is assisting EFF in the case, will argue that a judge’s order to unseal all documents and preserve public access in the case of Uniloc USA, Inc. v. Apple Inc. should be upheld,” EFF said in a statement on Thursday. “Uniloc is entitled to resolve its patent dispute in publicly-funded courts, Moss will argue, but it’s not entitled to do so secretly.” EFF said that this is the second time the plaintiff, Uniloc, has appealed an order to be more transparent in this case. Read more

Gnuastro 0.16 released

Dear all,

I am happy to announce the 16th official release of GNU Astronomy
Utilities (Gnuastro version 0.16).

Gnuastro is an official GNU package, consisting of various
command-line programs and library functions for the manipulation and
analysis of (astronomical) data. All the programs share the same basic
command-line user interface (modeled on GNU Coreutils). For the full
list of Gnuastro's library, programs, and a comprehensive general
tutorial (recommended place to start using Gnuastro), please see the
links below respectively:

https://www.gnu.org/s/gnuastro/manual/html_node/Gnuastro-library.html
https://www.gnu.org/s/gnuastro/manual/html_node/Gnuastro-programs-list.html
https://www.gnu.org/s/gnuastro/manual/html_node/General-program-usage-tutorial.html

For a complete review of the new/changed features in this release,
please see [1] below (also available in the 'NEWS' file within the
source code tarball).

Here is the compressed source and the GPG detached signature for this
release. To uncompress Lzip tarballs, see [2]. To check the validity
of the tarballs using the GPG detached signature (*.sig) see [3]:

  https://ftp.gnu.org/gnu/gnuastro/gnuastro-0.16.tar.lz    (3.7MB)
  https://ftp.gnu.org/gnu/gnuastro/gnuastro-0.16.tar.gz    (5.9MB)
  https://ftp.gnu.org/gnu/gnuastro/gnuastro-0.16.tar.gz.sig (833B)
  https://ftp.gnu.org/gnu/gnuastro/gnuastro-0.16.tar.lz.sig (833B)

Here are the SHA1 and SHA256 checksums (other ways to check if the
tarball you download is what we distributed). Just note that the
SHA256 checksum is base64 encoded, instead of the hexadecimal encoding
that most checksum tools default to.

fe1f84bf1be270f1a62091e9a5f89bb94b182154  gnuastro-0.16.tar.lz
B4hftfYuyc7x3I6aEJ2SQlkp6x7zOOrPz/bK2koGuR8  gnuastro-0.16.tar.lz
1ae00673648fe8db5630f1de9d70b49fadb42d7d  gnuastro-0.16.tar.gz
kMEdJbsFrRNxDLX4EXntgXNgikJv3/2LIEWGLV/e4i0  gnuastro-0.16.tar.gz

For this release, Pedram Ashofteh Ardakani, Natáli D. Anzanello,
Sepideh Eskandarlou, Raúl Infante-Sainz, Vladimir Markelov and Zahra
Sharbaf directly contributed to the source of Gnuastro, I am very
grateful to all of them. I should also thank Alejandro Serrano
Borlaff, Fernando Buitrago, Mark Calabretta, Zohreh Ghaffari, Giulia
Golini, Leslie Hunt, Raúl Infante-Sainz, Matthias Kluge, Juan Miro,
Juan Molina Tobar, Markus Schaney, Zahra Sharbaf, Vincenzo Testa,
Ignacio Trujillo and Aaron Watkins for their very good suggestions or
bug reports that have been implemented in Gnuastro 0.16.

If any of Gnuastro's programs or libraries are useful in your work,
please cite _and_ acknowledge them. For citation and acknowledgment
guidelines, run the relevant programs with a `--cite' option (it can
be different for different programs, so run it for all the programs
you use). Citations _and_ acknowledgments are vital for the continued
work on Gnuastro, so please don't forget to support us by doing so.

This tarball was bootstrapped (created) with the tools below. Note
that you don't need these to build Gnuastro from the tarball, these
are the tools that were used to make the tarball itself. They are only
mentioned here to be able to reproduce/recreate this tarball later.
  Texinfo 6.8
  Autoconf 2.71
  Automake 1.16.4
  Help2man 1.48.5
  ImageMagick 7.1.0-9
  Gnulib v0.1-4944-g7fc3219bc
  Autoconf archives v2021.02.19-29-g0fbee2a

The dependencies to build Gnuastro from this tarball on your system
are described here:
  https://www.gnu.org/s/gnuastro/manual/html_node/Dependencies.html

Best wishes,
Mohammad
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