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Linux

How to use Linux Screen

Learn how to use the ‘screen’ tool on Linux

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Linux

How to Fix UFW Deny Rule when it is not Blocking an IP Address

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 an IP address using ufw deny but […]

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Linux

How to Disable SELinux on CentOS 8

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 Hat based distributions like Fedora […]

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Linux

How to Use ‘Pkexec’ (a sudo alternative) to Run Commands as Root on Linux

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. pkexec runs in similar […]

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Linux

How to Add a Sudo User in Ubuntu

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. For example, by default, a […]

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Linux

How to Install and Use Pip on Ubuntu 20.04

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 code, non availability of number […]

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Linux

How to Use the Best Hacking Tools of Linux

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 Suite The Aircrack-ng suite is […]

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💡 Apps Linux

How to Permanently Delete Files in Linux using Command Line and GUI Tools

Learn how to delete files permanently in a Linux system using command line and GUI

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🌐 Web Linux

How to Update Firefox from Terminal on Ubuntu Linux PCs

Learn how to update Firefox from Terminal on a Ubuntu Linux PC

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Linux

How to Find and Remove Duplicate Files in Linux using ‘fdupes’ Command Line Tool

Learn how to find and remove duplicate files using linux command fdupes