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...
Wine, which stands for Windows Emulator, is a Linux program that lets you run Windows software on Linux machines. It lets you run .exe files like you do on Windows itself. This is especially helpful when a particular program is not available for Linux but available for Windows. Wine can...
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...
The command man on Linux is embedded in the muscle memory of every Linux developer and user. It is used by literally everyone; from amateur and novice developers to Linux professionals and experts. It is used for reading the command line manual page for a Linux command, configuration file, or...
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, a.k.a, Linux Screen or Screen is a Linux tool for efficient management of command line terminals. It creates virtual terminals so that the same actual terminal is used simultaneously for multiple processes. Installing screen To install screen on Ubuntu and Debian, run: sudo apt install screen...
ufw (Uncomplicated Firewall) is a Linux command line tool for managing Linux iptables firewall easily. It enables users to manage firewall rules on a machine with simple commands like ufw allow and ufw deny to allow or block access from an IP/subnet. If you’ve been trying to block...
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...
sudo is the commonly used program for tasks requiring administrator access in Linux. But in case there is an error with the sudo command or if the sudoers file is invalid, or certain programs are blocked by sudo access, users can make use of a similar command line tool — pkexec....
sudo is one of the most commonly used command in Linux systems. It allows a user to run a particular program as another user, who, by default, is the super user. It is mostly used for administrative purposes; providing limited admin access to non administrative users on a Linux PC....
pip is the standard package management tool for software written in Python. It installs software, and their dependencies from the standard Python repository, Python Package Index, by default. Although the usual package manager apt can be used, it has several downsides when it comes to regularly updated versions of Python...
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...
Mozilla Firefox has a popular feature for background updates. It automatically downloads updates and installs them without requiring a fresh install of Firefox, similar to app updates on your iOS and Android devices. However, the automatic updates feature in Firefox isn’t as convenient as it sounds. Most of the...