GRUB (Grand Unified Bootloader) is the default boot loader program for Linux based operating systems. One of the most familiar screens in Linux is the GRUB menu while booting. It lists all the installed operating systems on the computer, including Microsoft Windows operating systems, any of which the user can...
From the late ’80s when version control software first started developing, Git remains the most easy to use code change tracking tool. Services like Github and Gitlab offer storage of code in a repository, often referred to as a ‘Remote’ repository. They act as central storage of code; Git can...
Running Windows applications on a Linux system can be a necessity when certain software isn't available for Linux. Wine is a compatibility layer that enables you to run Windows programs on Linux machines seamlessly. This guide will show you how to install Wine and use it to run...
LibreOffice is the FOSS world’s answer to the mainstream and proprietary Microsoft Office Suite. Developed by leading Office Productivity software developers and contributors, it offers a complete replacement for Microsoft Office on multiple Operating Systems. The LibreOffice app equivalent of Microsoft Excel is called LibreOffice Calc. It comes with...
Creating manual pages, or man pages, for your custom scripts and programs in Linux can greatly enhance their accessibility and usability. By providing users with detailed documentation accessible directly from the command line, you ensure that anyone can understand how to use your tools effectively. In this guide, we'...
ImageMagick is a suite of image modification software for Linux. It consists of many tools with number of options for image modification, conversion, etc. Installing ImageMagick (convert) First verify if ImageMagick is already installed using: convert -version If it is not installed, we can install it on Ubuntu and Debian...
GNU Screen is a versatile terminal multiplexer that enables you to manage multiple terminal sessions within a single window. It's particularly useful for running multiple processes simultaneously and keeping your terminal sessions active even when disconnected. Installing screen To install screen on Ubuntu and Debian systems, execute the...
ufw (Uncomplicated Firewall) provides a user-friendly interface for managing firewall rules on Linux systems. It simplifies the configuration of iptables by allowing administrators to allow or deny traffic using straightforward commands. If you have attempted to block an IP address with the ufw deny command but the IP is still...
SELinux (Security Enhanced Linux) is a Linux kernel module which provides options for Mandatory Access Control (MAC) policies. It comes with various command line utilities to precisely control the activities allowed for a program or a user. It comes preinstalled, and enabled by default, on many Linux distributions, mostly Red...
On Linux systems, the sudo command is commonly used to perform tasks requiring administrative privileges. However, if you encounter errors with sudo, such as an invalid sudoers file or blocked programs, pkexec offers a reliable alternative for executing commands as the root user. The pkexec command allows you to run...
The sudo command in Linux is a powerful utility that allows users to perform tasks requiring administrative privileges. By default, standard users have limited access and cannot execute certain commands or install software that could affect the system. Granting sudo privileges to a user enables them to execute commands with...
pip is the default package manager for Python, allowing you to install and manage additional libraries and dependencies not included in the standard Python library. By default, it installs packages from the Python Package Index (PyPI), giving you access to a vast repository of Python software. While Ubuntu's...
Linux and Unix based operating systems have been at the core of the fields of Information Security, Network Security, Cryptography, etc. They come with a wide variety of tools meant of cyber security purposes. Let us take a look at three such tools: Aircrack-ng, Jack The Ripper, and Radare2. Aircrack-ng...
The deletion of files is quite a prevalent task for users of any operating system on any device. Whether you want to delete unused files on your PC, or you want to free up space by deleting older log files on your server, it is handy to know various options...
For Ubuntu Linux users, keeping Mozilla Firefox up to date is crucial for security and performance enhancements. While Firefox offers automatic updates, there are situations where you might prefer or need to manually update it using the terminal. This guide provides step-by-step instructions on how to update Firefox from the...