# Kennyvn.com > Practical, hands-on tutorials on Kali Linux, ethical hacking, penetration testing, and online privacy. Every guide is written to be followed start to finish with real commands and real output, for education and authorized security testing only. Online since 2017, written by Kenneth. ## Kali Linux & Penetration Testing - [Top 10 Kali Linux Tools You Must Know in 2026](https://kennyvn.com/top-10-kali-linux-tools/): The 10 essential Kali tools every pentester uses — Nmap, Metasploit, Burp Suite, Wireshark, Aircrack-ng, Hashcat, John, Hydra, SQLMap, Gobuster. - [Nmap Tutorial for Kali Linux 2026](https://kennyvn.com/nmap-tutorial-kali-linux/): Complete Nmap guide — host discovery, TCP and UDP port scanning, service and OS detection, NSE scripts, firewall evasion, with copy-paste commands. - [Hashcat Tutorial for Kali Linux 2026](https://kennyvn.com/hashcat-tutorial-kali-linux/): GPU password cracking — dictionary, mask, hybrid, and rule-based attacks, hash modes, benchmarks, and troubleshooting. - [Wireshark Tutorial for Kali Linux 2026](https://kennyvn.com/wireshark-tutorial-kali-linux/): Packet analysis — capture vs display filters, protocol dissection, TLS decryption, monitor mode, and credential sniffing. - [Burp Suite Tutorial for Kali Linux 2026](https://kennyvn.com/burp-suite-tutorial-kali-linux/): Web app testing — Proxy, Repeater, Intruder, plus a hands-on SQL injection walkthrough on DVWA. - [How to Crack WPA2 WiFi Passwords with Aircrack-ng & Hashcat](https://kennyvn.com/crack-wpa2-aircrack-ng-hashcat/): Capturing a WPA2 handshake and cracking it — monitor mode, deauth, the PMKID attack, and GPU cracking. - [Best WiFi Adapters for Kali Linux in 2026](https://kennyvn.com/best-wireless-adapters-kali-linux/): Adapters that support monitor mode and packet injection — Alfa AWUS036ACH, AXML, NHA, ACS — with chipset guidance. - [Download Passwords & Wordlists for Kali Linux](https://kennyvn.com/wordlists-password-dictionaries-for-kali-linux/): The best password wordlists, where to get them, and how to use them with aircrack-ng, hashcat, and hydra. - [RTL-SDR on Kali Linux: Signal Hacking for Beginners](https://kennyvn.com/rtl-sdr-kali-linux/): Software-defined radio on Kali — install rtl-sdr, gqrx and rtl_433, decode home IoT sensors, and track aircraft with ADS-B. Receive-only, legal signal hacking. ## Getting Started with Kali - [Kali Linux After Install: 25 Things To Do First](https://kennyvn.com/kali-linux-after-install-things-to-do/): The full post-install setup routine — update, secure, configure, and prepare Kali for real work. - [Bash Commands Cheat Sheet for Kali Linux](https://kennyvn.com/cheatsheet-useful-bash-commands-linux/): Quick-reference for the Kali command line — navigation, files, permissions, processes, networking, SSH, apt, and pentesting one-liners, plus a beginner FAQ. - [How to Fix Broken Kali Linux Updates](https://kennyvn.com/fix-kali-linux-update-errors/): The five common Kali apt errors — invalid signature, held-back packages, wrong sources, clock errors — and how to fix each. - [How To Install Kali Linux on VirtualBox in 2026 (Mac & Windows)](https://kennyvn.com/install-kali-linux-virtualbox-image-mac/): Step-by-step Kali VM setup, including Apple Silicon. - [How To Install Kali Linux on USB in 2026 (with Persistence)](https://kennyvn.com/install-kali-linux-boot-from-usb-drive/): Create a bootable Kali USB with persistence. - [Build a Portable Kali Pentest Box on a Raspberry Pi](https://kennyvn.com/kali-linux-raspberry-pi/): Turn a Raspberry Pi 5 into a pocket-sized Kali rig — hardware picks, flashing Kali ARM, running it headless over SSH, and confirming monitor mode. ## Privacy & Anonymity - [How to Remove Yourself From People-Search Sites](https://kennyvn.com/remove-yourself-popular-people-search-sites/): Opt out of data brokers, remove your phone number, and reduce your digital footprint. - [How to Use AI to Remove Your Personal Info from Data Brokers](https://kennyvn.com/remove-personal-info-with-ai/): Use ChatGPT or Claude to find the brokers listing you, generate CCPA removal letters, and track opt-outs — and where AI stops and a paid service takes over. - [Change Your MAC Address with Macchanger on Kali Linux](https://kennyvn.com/change-mac-address-macchanger-kali-linux/): Spoof your MAC address for privacy and authorized testing. - [How to Spoof Your MAC Address on macOS](https://kennyvn.com/how-to-spoof-mac-address/): Change your MAC address on modern macOS, including Sequoia. - [How to Set Up a VPN on Kali Linux (WireGuard & OpenVPN)](https://kennyvn.com/vpn-for-kali-linux/): Set up WireGuard or OpenVPN on Kali with a DNS-leak check and kill switch — plus the honest truth that a VPN moves trust, it doesn't make you anonymous. - [How to Set Up a YubiKey for 2FA](https://kennyvn.com/how-to-set-up-yubikey-2fa/): Register a primary hardware key and a backup, store it safely, and retire SMS 2FA — phishing-proof, SIM-swap-proof account security. - [Juice Jacking: How Real Is It and How to Prevent It](https://kennyvn.com/how-to-prevent-juice-jacking/): An honest look at USB juice jacking — why modern phones already block most of it, the real residual risks, and the defenses that matter. - [Secure Hotel & Public WiFi With a Travel Router](https://kennyvn.com/secure-public-wifi-travel-router/): Use a travel router for a single trusted hop with an always-on VPN and firewall on hostile WiFi, plus a MAC-clone trick to beat device limits. ## Key facts - All tutorials are for education, authorized security testing, and lawful research only. - Author: Kenneth — writes practical Kali Linux, penetration testing, and cybersecurity tutorials. GitHub: https://github.com/kennyn510 — LinkedIn: https://www.linkedin.com/in/kenneth-navarro1/ - Contact and full topic list: https://kennyvn.com/about/