Let Sudo Insult You When You Enter Incorrect Password
Sudoers is the default sudo security policy plugin in Linux; however, experienced system administrators can specify a custom security policy
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How to Install ‘atop’ to Monitor Real-Time System Performance
atop is a full-screen performance monitoring tool that provides detailed reports about all system processes, including those that have already
How to Create a Simple IP Blocker Script Using iptables and Fail2Ban
Today, I’m going to show you a simple but effective way to automatically block suspicious IPs using a small script
Top 15 VsFTP Server Interview Questions with Detailed Answers
FTP stands for File Transfer Protocol and is one of the most widely used and standard protocols over the Internet,
UFW Firewall: How to Install, Configure, and Use It on Ubuntu/Debian
Since computers are connected to each other, services are growing rapidly, with examples such as email, social media, online shopping,
Terminal Showdown: Bash vs Zsh vs Fish for Power Users
The command-line shell is an essential tool for interacting with the operating system, allowing users to execute commands, automate tasks,
How to Run Old DOS Games and Apps Using DOSBox-X
Ever wanted to play classic DOS games or run old compilers like Turbo C++ or MASM for assembly programming? If
How to Secure Your Ubuntu Server with UFW, Fail2ban, and AppArmor
When setting up an Ubuntu server for production, securing the system is crucial to ensure its stability, safety, and accessibility.
How to Append Text to Every File Using a Bash Script
Appending text to files is a common task in systems administration and development, especially when dealing with large datasets or
Python Scripts for RHEL: Automate User Management, Monitoring & Backups
System administration often involves repetitive tasks such as file management, user account creation, service monitoring, and system backups. While Linux-based
Immich: Your Private, Self-Hosted Alternative to Google Photos
Immich is an open-source, self-hosted solution designed to help you back up and manage your photos and videos with ease.
15 Best Starter Apps for Ubuntu Users in 2025
Ubuntu is one of the most popular Linux distributions for new users, offering an easy-to-use interface and a smooth transition