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Commands
- Bash
- Git
- Linux Commands
Linux Distros
Programming
- Python
- PHP
Tech Talk
- Knowledge Base
- News
Sysadmin
- Docker
- Fail2ban
- MySQL
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Password Policies

featured article

How to Install Chkrootkit on Debian 12, 11 or 10

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Step-by-step guide on installing Fail2Ban on Ubuntu 22.04 or 20.04.

How to Install Fail2Ban on Ubuntu 22.04 or 20.04

Custom-designed feature image illustrating the process of creating a sudo user on CentOS Stream.

How to Create a Sudo User on CentOS Stream

Screenshot of Chkrootkit installation process on Ubuntu 22.04 or 20.04.

How to Install Chkrootkit on Ubuntu 22.04 or 20.04

How to Install Firewalld GUI on Rocky Linux EL9 or EL8

Custom feature image illustrating the installation of KeePassXC on Ubuntu 22.04 or 20.04.

How to Install KeePassXC on Ubuntu 22.04 or 20.04

Custom feature image showcasing the installation of Nmap on Ubuntu 22.04 or 20.04.

How to Install Nmap on Ubuntu 22.04 or 20.04

Step-by-step guide on installing Wireshark on Ubuntu 22.04 or 20.04 - Custom Feature Image

How to Install Wireshark on Ubuntu 22.04 or 20.04

Custom feature image illustrating the 'who' command in Linux with icons of a terminal, users, and code snippets.

who Command in Linux: Explanation with Practical Examples

How to Resolve the sudo command not found Error in Linux

How to Resolve the “sudo: command not found” Error in Linux

Custom graphic illustrating the installation of ClamAV on Ubuntu Linux.

How to Install ClamAV on Ubuntu 22.04 or 20.04

Custom graphic illustrating the installation of Firewalld on Debian Linux versions 13/12/11/10

How to Install Firewalld on Debian 12, 11 or 10

Custom graphic illustrating the process to install, enable, and configure SSH on Pop!_OS.

How to Install OpenSSH on Pop!_OS

How to Install Firewalld on Fedora Linux

How to Install Firewalld on Fedora 39/38/37 Linux

Git

How to Undo Last Git Commit

How to Undo Last Git Commit

Firewalld Essential Commands for Linux

Firewalld: Essential Commands for Linux

chage Command in Linux with Examples

chage Command in Linux with Examples

How to Manage Users and Groups in Linux

How to Manage Users and Groups in Linux

How to Create and Grant Sudo Access to New User in Pop!_OS

How to Create and Grant Sudo Access to New User in Pop!_OS

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