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No doubt, Linux is one of the best operating systems, bundled with awesome and beautiful desktop environments like GNOME, KDE, XFCE, etc.

This desktop environment comes with its own file manager, like GNOME gives us Nautilius, KDE gives us Dolphin, and XFCE gives us Thunar, etc.

As a curious Linux user, you may wonder, is it possible to have a file manager experience within the Linux Terminal app? Then my answer will be Ranger.

As a starter, you might think that Ba(sh) is the only shell available to use in UNIX-like distributions, but that’s not the case in modern Linux distributions.

There are several other shell interpreters available to help you out, like KornShell (ksh), C shell (csh), Z shell (zsh), and fish. From this list, you can use the zsh shell, which is highly customizable with more than 100+ themes and plugins that can help you to perform your work swiftly with an aesthetic look.

Consider what would happen if you were using one of the software applications that you have purchased by paying a hefty amount to the company and which you have been using for a decade without any issues.

Although you know, this was the only application that could do specific work, and there was no alternative option to this application available on the market. Therefore, you couldn’t even imagine your life without that software.

But unfortunately, one day, the company announced that we will not provide further updates or support to this particular application because they are shutting down their company due to some internal conflict.

Learn about AppArmor and how to create a profile for a user-generated script or application, and modify or update permissions for an already existing profile.

LibreWolf (fork of Firefox) promises to protect your privacy, security, and freedom on the Internet by removing unnecessary tracking and fingerprinting technologies from the Firefox browser without breaking stuff.

You must be wondering why not to remove all unnecessary tracking elements from Firefox manually. It’s true, Firefox is a highly customizable browser and gives you a bunch of options to modify it in different ways.

The Wifi module comes with multiple modes and one of them is monitor mode, which you have commonly heard from security enthusiasts to sniff over a network using Wireshark.

Android system is capable of many things, but at its core, it is just a UNIX-based operating system. By default, many things can be done on the Android system. However, more features can be added by rooting the device.

Rooting is not the recommended method and might break your Android system and remove the warranty. Although there are still many rich, full-featured apps available for Android devices that can run without root. One of them is Termux.

Rapid7 and the open-source community manage the widely used penetration testing framework, Metasploit. It is a very powerful tool used by cybercriminals as well as ethical hackers to test and create exploits for networks or servers.

The Rapid7-powered Metasploit Framework is the world’s leading penetration testing framework. The Project is a collaboration between the open-source community and Rapid7 to provide a tool for developing and executing exploit code against a target machine.

As you know, the Ubuntu Desktop variant ships with the default GNOME desktop environment for users, so why do we need to install a graphical desktop environment on Ubuntu?

Yes, it is shipped with the GNOME desktop environment to use, but it is not always like that. If you have installed the Ubuntu server or Debian minimal, then you won’t find the regular desktop setup to use your favourite application graphically.

Oracle VirtualBox is a virtual machine software application designed to run a complete x86_64 compatible operating system within a hosting application running on Windows, macOS, Linux, and Solaris operating systems. It’s the most common virtualization application after VMware.

Undoubtedly, Ubuntu will be the first Linux distribution for most people who have started Linux for the first time and will certainly be the most familiar distribution.

For this reason, we will cover the step-by-step process of downloading, installing, and setting up the latest Ubuntu operating system using VirtualBox running on your Windows 10 or 11 64-bit computer.

This is a very beginner’s guide, so it will be useful for a lot of new starters who want to try Ubuntu for the first time, and once you get familiar with Ubuntu, you can follow the same steps to install it on physical hardware.

At some point, you will be intrigued to know the total size of a current directory, or of any XYZ directory taking space on your disk, and it will be very crucial when you are running out of space, and want to delete a file that is consuming more space.

You may be trying to find the total size of a directory using the ls -shw command, but it won’t work here. So how do I determine the size of a directory in Linux using the command line?

Privacy-centric users always find a shield to protect them against internet censorship. The community might have given us a lot of tools to protect our privacy, such as VPNs and Proxies, but none of them is full-proof.

Tor Browser is currently the most trusted and secure browser to protect you from internet censorship and protect your data with the layer of nodes (also known as the onion routers) to make it harder for companies to track back to you.

When you host your website on the NGINX web server, it will handle the client request, but when the request is not fulfilled, it will return an error.

This error will be displayed to a user via a basic HTML page with the error code (404, 403, 500, 503), as shown below.

In the course of work, I have received several redirected command output files from my colleague, and he asked me to combine all the files into one file and send it back. And I’m not in the mood to open all the files one by one to read the output and combine them into one file.

So I have to find a way through which I can combine multiple text files into one, and then I can comfortably drink a cup of coffee.

Pacman is a package manager for arch-based distributions such as Manjaro, EndeavourOS, ArcoLinux, etc. If you have tried Ubuntu or Debian, you may already know that the apt package manager is the default for all Debian-based distributions.

If you are an advanced PC user and have been using Firefox browser for a long time, you might already be aware of about:config Settings. For those who don’t know, Firefox gives you a lot of customization by visiting about:config section.

Mozilla Firefox is one of the best browsers available that combines strong privacy protection features, good security, active development, and regular updates. A solid alternative to Google Chrome, Microsoft Edge, and Vivaldi.

In this guide, you will learn how to strengthen Firefox privacy and security for digital surveillance.