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today's howtos

Submitted by Roy Schestowitz on Thursday 13th of January 2022 05:18:18 AM Filed under
HowTos
  • The choose command in Linux

    Hello, friends. In this post, you will learn how to use choose command in Linux. We have tested this tutorial on Debian 11, but it should work on Ubuntu 20.04 and derivatives.

  • 3 Ways to install and use HandBrake Ubuntu 22.04 | 20.04 LTS - Linux Shout

    HandBrake is an open-source video transcoder distributed under GPL license, here we learn the steps to install Handbrake on Ubuntu 22.04 Jammy JellyFish or Ubuntu 20.04 LTS Focal Fossa.

    After a gap of some time, finally, the developers of Handbrake recently announced the latest version 1.5.1 to install for Linux, Mac, and Windows. The key purpose of this free and open-source software is to convert common video files and formats; to play on smartphones, tablets, TV, game console, PC, or web browser—nearly anything that supports modern video formats. It offers tools such as FFmpeg, x264, and x265 to create new MP4 or MKV video files. To avoid misunderstandings, the Freeware Handbrake cannot handle copy-protected DVDs or Blu-Rays. So you cannot make copies of purchased films with the software. Otherwise, the open-source software is ideal for converting videos.

    One thing that is particularly important with video tools, broad format support. Handbrake definitely offers it, there is hardly a video that cannot be converted with the tool. Apart from the video, Handbrake offers a wide range of options for sound format, bit rate, and image sizes. You can also apply numerous filters or add subtitles. Once set, you can also run several videos in a series.

  • Restricting SSH agent keys [LWN.net]

    The OpenSSH suite of tools for secure remote logins is used widely within our communities; it also underlies things like remote Git repository access. A recent experimental feature for the upcoming OpenSSH 8.9 release will help close a security hole that can be exploited by attacker-controlled SSH servers (e.g. sshd) when the user is forwarding authentication to a local ssh-agent. Instead of allowing the keys held in the agent to be used for authenticating to any host where they might work, SSH agent restriction will allow users to specify where and how those keys can be used.

  • Install Node.js on Raspberry Pi 4

    Node.js is an open-source and cross-platform server-side JavaScript runtime powered by the Google Chrome V8 JavaScript engine. Node.js is mainly used to develop network apps, APIs, and full-stack web apps. Node.js can also be used to develop desktop apps and mobile apps.

    In this article, I am going to show you how to install the latest LTS (Long Term Support) version of Node.js on Raspberry Pi 4 running the Raspberry Pi OS. So, let’s get started.

  • How to change canvas size in Inkscape

    In Inkscape, after creating a design that is ready for finalization, you will most likely need to change the size to accommodate whatever you have created. For instance, you have designed a logo, and now you want to finalize the editable vector copies to deliver them to the intended recipients. Also, when you create a PDF file, Inkscape only saves the objects that exists within the page border. So, understanding how to change the canvas size is essential if you need to change it according to your preferences.

    This write-up will show you how to change the canvas size in Inkscape by using the “Documents Properties” menu. The “Documents Properties” menu also permits you to change the size of the canvas with numerical input. You can also customize your canvas size to fit the specific objects added in your Inkscape document. So, let’s get this guide started!

  • How to convert PNG to SVG in Inkscape

    Vector graphics and Raster graphics are the two primary types of graphics. Portable Graphic Format (PNG) files are the raster images built from discrete colored boxes, called pixels. Pixel graphics are static and have a predetermined size. In a raster image, the individual pixels become more visible as you zoom in or try to magnify them. On the other hand, Vector graphics are based on mathematical formulas that specify the graphics features on the X and Y axes. These formulas are significantly more dynamic than a sequence of static boxes or pixels. Scalable Vector Graphics (SVG) format offers many additional advantages compared to the PNG, such as being fully editable by utilizing the vector graphics tools and having the capability to enlarge its points.

    Suppose that you have a logo file in PNG format and you want to convert it to SVG. What will you do? You will look out for this feature in popular image editing software or vector graphics editors such as Inkscape. Inkscape permits users to save and convert the PNG or JPG image file into SVG file format. Today, we will thoroughly demonstrate how you can convert PNG to SVG in Inkscape. So, let’s start!

  • Linux Command: Namei Usage

    Linux is a diverse platform to play with a lot of commands in its shell at one time and does other work as well. These commands are of diverse use and purpose. There comes a moment while working in Linux that you have to find out and know more about some specific file, its owner, its path, and content between some folders. One of those unique and great commands is the “namei” command of the Linux system. The namei command is used so far to know more about the specific directory i.e., its path, location, and a lot more things. Therefore, today we will be discussing the namei command in our Ubuntu 20.04 Linux shell. So, let’s have a new start.

    You need to open up your system first and then open up the terminal console as well. Use the “Ctrl+Alt+T” for doing so. After the opening of the terminal, we are ready to utilize our command for specific purposes. You have to know that the namei command uses many flags in it for those reasons. If you want to find out more about the namei command, just write “namei” in the shell and you will see the commands info.

  • Linux Command: Bridge Usage

    In Linux systems, the brctl command has been called a bridge command. The “brctl” term stands for bridge control. It is the ultimate unique command to let you see all the current Ethernet bridges in your system. It may also let you add and create new Ethernet bridges and make changes to many of them with few keywords in them. Therefore, we will be utilizing the Ubuntu 20.04 system to discuss the brctl bridge command. For that, we have to start the shell console of our system via “Ctrl+Alt+T”. So, let’s get started.

    We are starting our article with the installation of bridge utilities. For this, we need to use the “apt-get” package command in the shell. The keyword “install” has been used after the apt-get package and the “bridge-utils” package name is utilized after that with the “-y” flag to force installation. At the start of installation, it probably asks for your sudo password and you have to add it necessarily. After that, the bridge utilities will be installed on your Ubuntu system.

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today's howtos

  • How to install go1.19beta on Ubuntu 22.04 – NextGenTips

    In this tutorial, we are going to explore how to install go on Ubuntu 22.04 Golang is an open-source programming language that is easy to learn and use. It is built-in concurrency and has a robust standard library. It is reliable, builds fast, and efficient software that scales fast. Its concurrency mechanisms make it easy to write programs that get the most out of multicore and networked machines, while its novel-type systems enable flexible and modular program constructions. Go compiles quickly to machine code and has the convenience of garbage collection and the power of run-time reflection. In this guide, we are going to learn how to install golang 1.19beta on Ubuntu 22.04. Go 1.19beta1 is not yet released. There is so much work in progress with all the documentation.

  • molecule test: failed to connect to bus in systemd container - openQA bites

    Ansible Molecule is a project to help you test your ansible roles. I’m using molecule for automatically testing the ansible roles of geekoops.

  • How To Install MongoDB on AlmaLinux 9 - idroot

    In this tutorial, we will show you how to install MongoDB on AlmaLinux 9. For those of you who didn’t know, MongoDB is a high-performance, highly scalable document-oriented NoSQL database. Unlike in SQL databases where data is stored in rows and columns inside tables, in MongoDB, data is structured in JSON-like format inside records which are referred to as documents. The open-source attribute of MongoDB as a database software makes it an ideal candidate for almost any database-related project. 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 the step-by-step installation of the MongoDB NoSQL database on AlmaLinux 9. You can follow the same instructions for CentOS and Rocky Linux.

  • An introduction (and how-to) to Plugin Loader for the Steam Deck. - Invidious
  • Self-host a Ghost Blog With Traefik

    Ghost is a very popular open-source content management system. Started as an alternative to WordPress and it went on to become an alternative to Substack by focusing on membership and newsletter. The creators of Ghost offer managed Pro hosting but it may not fit everyone's budget. Alternatively, you can self-host it on your own cloud servers. On Linux handbook, we already have a guide on deploying Ghost with Docker in a reverse proxy setup. Instead of Ngnix reverse proxy, you can also use another software called Traefik with Docker. It is a popular open-source cloud-native application proxy, API Gateway, Edge-router, and more. I use Traefik to secure my websites using an SSL certificate obtained from Let's Encrypt. Once deployed, Traefik can automatically manage your certificates and their renewals. In this tutorial, I'll share the necessary steps for deploying a Ghost blog with Docker and Traefik.

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