Kali Linux — The Hacker's Operating System
Kali Linux is the industry-standard operating system for penetration testing, used by security professionals, bug bounty hunters, and government agencies worldwide.
Installation Options
Option 1: VirtualBox (Recommended for Beginners)
- Download VirtualBox from virtualbox.org
- Download Kali Linux pre-built VM from kali.org
- Import the .ova file → Allocate 4GB RAM, 2 CPU cores
- Start and login:
kali / kali
Option 2: Dual Boot
- Download Kali Linux ISO
- Create bootable USB with Rufus/Balena Etcher
- Boot from USB → Install alongside Windows
- GRUB bootloader lets you choose at startup
Option 3: WSL2 (Windows Subsystem for Linux)
wsl --install -d kali-linux
First-Time Setup
sudo apt update && sudo apt full-upgrade -y
sudo apt install -y kali-linux-large # Install all tools
sudo dpkg-reconfigure locales # Set timezone
What's Included
- 🔍 Nmap, Masscan — Network scanning
- 💉 Metasploit, Armitage — Exploitation
- 🌐 Burp Suite, ZAP — Web hacking
- 📡 Aircrack-ng, Wifite — WiFi attacks
- 🔓 John, Hashcat — Password cracking
- 🕵️ Maltego, Recon-ng — OSINT
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