today's howtos

• HOWTO Make Mozilla Firefox Blazing Fast On Linux

  The Firefox web browser is, by default, much, much slower than it can be on Linux. There is, luckily, several ways to make it a whole lot faster by changing one or more configuration options that are not so easy to find or understand. Newly released Firefox 88 made it easier, though you can make older Firefox versions and Firefox LTS versions faster with some trickery. Here's the options you have and the performance they provide.

• How to Install Guider Linux Performance Analyzer on Ubuntu 20.04

  Monitoring the real-time state and behavior of the system and each of its components is crucial for any system administrator. Guider is an open-source performance analyzing tool for Linux operating systems. It is designed to measure the use of system resources, analyze it and improve the performance of the operating system. In this tutorial, I will show you how to install and use Guider on Ubuntu 20.04.

• How to Uninstall Chromium and Get Rid of It From Your Computer

  Chromium is the open-source web browser project used by Google to create Google Chrome. It has an interface and functionality similar to Chrome, allowing you to navigate the Internet and take advantage of privacy features. You can set it up on any operating system, including Windows and Mac. It’s also possible to install Chromium on Linux.

• How to Write a Shell Script in Ubuntu 20.04 LTS

  A shell script is a Linux-based script in which commands are written, and when a user executes the script, all those commands that are in the script are executed one after another. Think of it this way: You have a task you need to do that requires a certain number of commands to be written by the user, so it’s difficult to write and then execute those commands one at a time, that’s where the shell script comes in. To accomplish this task, simply write all of these commands into a single script and save that script file somewhere. Then, when the user needs to do a particular task, all they have to do is run the saved script and the task is done without having to write all the commands again one by one. The shell is an interpreter of the commands that the user writes.

• How to display GUI dialogs in bash script using Zenity

  We all know that Linux bash scripts are a real strength of Linux. Often we want to display a graphical user interface (GUI) in our scripts to make interaction with users easier. GUI makes any script more user-friendly and beautiful. For GTK in shell scripts, there are many options and tools available in Linux. In this article, we will show you how to use Zenity to display GUI dialogs in Bash scripts. Zenity is an open-source application for displaying simple GUI in shell scripts. It makes scripts more user-friendly by displaying GTK+ dialogs. Zenity is a handy command-line tool for modern shell scripting. Zenity is easy to use and a cross-platform application.

• Steven Pritchard: Dealing with old ssh implementations

  Over the last several releases, Fedora has removed support for old, broken crypto algorithms. Unfortunately, this makes it harder to deal with old devices or servers that can't easily be upgraded. For example, I have a switch that I can't connect to with the ssh on Fedora.

The 5 Best Linux PDF Editors You Should Try

Finding a good and reliable PDF editor is a nerve-racking job with all these unwanted opinions flying around on the internet. Everyone has different preferences and use cases for their PDF editor, and choosing the one that suits you the best is important. The number of applications available for Linux-based operating systems is immeasurable. But when it comes to PDF editors, only a handful of the apps top the chart. In this guide we have curated a list of the best Linux PDF editors that you can download for free on your computer.

How to Upgrade to Ubuntu 21.04 from Ubuntu 20.10 (Groovy to Hirsute)

Here are the steps on how to upgrade your Ubuntu 21.04 from Ubuntu 20.10 (Groovy Gorilla to Hirsute Hippo).

VirtualBox 6.1.20 Released with Linux Kernel 5.11 Support, CentOS Stream Improvements

Three months in the works, VirtualBox 6.1.20 is here to introduce support for the latest and greatest Linux 5.11 kernel series for both hosts and guests. This means that you’ll now be able to install VirtualBox on GNU/Linux distributions powered by Linux kernel 5.11, as well as to run Linux 5.11-based distros in virtual machines. On top of that, this release improves support for the CentOS Stream operating system, as well as for the upcoming Red Hat Enterprise Linux 8.4 operating system release by making sure the kernel module is correctly built, and fixes the compilation of the vboxvideo module for the Linux 5.10 LTS kernel series.