How to Add and Remove Passwords from PDF Files on Linux

PDFs are the primary file format for sharing sensitive educational, government, or office documents with individuals, often encrypted with a password to prevent unauthorized access. However, with a valid password, individuals can easily decrypt and store them in an encrypted wallet for future access. But

How to Enable/Disable Monitor Mode in Linux (using 3 Methods)

If you are a penetration tester, network administrator, or security professional diving into the realm of WiFi pentesting, your journey will involve enabling monitor mode on your Network Interface Card (NIC). In this article, we go over what monitor and managed modes are in your

Fzf: Quick Search via Fuzzy Finder on Linux (Install + Use)

“fzf” (or fuzzy finder) is a small, blazingly fast, and cross-platform command-line utility that allows you to perform interactive or dynamic searches via an interactive interface for effortless navigation and selection from matching options. It’s very flexible, and most often you will use it with

DistroBox: Try Out Multiple Linux Distributions via the Terminal

As you all know, Linux is famous for its multiple variants in the name of distributions, each offering unique software repositories, package managers, desktop environments, release cycles, stability, and much more. The well-known Linux distributions are Debian, Ubuntu, RedHat, Fedora, and Arch, with the major

Solution for raw.githubusercontent.com PORT 443: Connection refused

Tired of encountering the error “Connecting to raw.githubusercontent.com IP_ADDRESS:443 failed: Connection refused” when downloading files from GitHub via Wget or any other CLI tool? Then, don’t worry, as you’ve come to the right place; this annoying error related to GitHub can be easily solved (or

How to Install New (or Nerd) Fonts on Linux (Ultimate Guide)

A good font (also referred to as typography) is crucial in UI/UX design. However, individuals interested in desktop customization often enjoy having an amazing font of their choice on their system to make it stand out among others. While users are provided with a variety

What is DNF5 (How to Install and Use It) in Fedora Linux

After the launch of Fedora 39, DNF5 sparked discussions in the Linux community regarding its amazing features, performances, and other benefits compared to the current DNF. Given Fedora Engineering’s confidence and the likely agreement of FESCo, it is likely that it will become the official

How to Hide “PackageKit” Message in openSUSE

🚀 Quick Overview To make the “PackageKit” message disappear instantly, just run the following command: However, I advise you to read the entire article in order to understand the main reason for this issue and become an informed Linux user. Are you tired of receiving

How to Clear Buffer and Cache Memory in Linux

Linux provides a robust way for memory management by providing an advanced mechanism like buffering and caching to hold repeating data once in memory rather than directly serving it on demand. In the future, when the data is demanded, it will be taken from memory

Installing NASM and Writing Your First Assembly Program on Linux

Assembly language is one of the most popular topics in the coding community as it offers you the ability to work at a low level that is closely tied to a computer’s architecture and hardware. It provides a human-readable representation of machine code instructions, allowing

How to Install Portainer Server on Linux or WSL

Portainer is an amazing open-source container management platform that simplifies the deployment, management, and monitoring of containerized applications. It provides a user-friendly web-based interface (desktop clients are not available) that makes it easier for users to interact with container technologies like Docker or Kubernetes. As

How to Refresh and Reload Group Membership on Linux

🚀 Quick Overview To immediately detect the changes after adding the user (let’s say “linuxtldr“) to the group (let’s say “docker“) in Linux, use the following command: However, I advise you to read the entire article in order to understand the main reason for this