Linux

Linux

10 Best Lightweight Linux Distros for Old Laptops and Computers

Make your old laptop fast again with lightweight Linux distros. Easy guide with system needs, ISO size, and best picks for beginners.

Achik Ahmed
September 3, 2025

Linux

Top 50 Useful Linux Commands for Beginners – PDF | 2026

A complete list of 50 Linux commands for beginners with examples and PDF download. Learn Linux basics step by step in a simple way.

Achik Ahmed
September 2, 2025

How to Find Hidden Information from an Image

Image files can contain hidden details that are not visible when viewing the photo normally. These details may include the camera or device used to capture the image, image size, creation date, GPS location data, and software information. Image metadata is commonly checked by OSINT researchers, cybersecurity learners, and digital investigators to learn more about…

Hydra Tutorial for Beginners – Password Testing Tool

Hydra is a powerful password testing and login auditing tool that is used to test usernames and passwords against different network services and login panels. It is widely used by cybersecurity learners, penetration testers, and security researchers for authentication testing and basic security analysis. Hydra supports many protocols including SSH, FTP, HTTP, HTTPS, SMB, Telnet,…

theHarvester Tutorial for Beginners – Email & Domain OSINT Tool

theHarvester is a popular OSINT and information gathering tool that is used to collect emails, subdomains, IP addresses, employee names, and other public information from different online sources. It is widely used by cybersecurity learners, penetration testers, and ethical hackers for reconnaissance and domain investigation tasks. Here’s what you can do with theHarvester: Collect public…