Step-by-step guide to writing your first Nmap NSE script on Kali Linux: install Nmap and Lua, create a “hello world” script, build a practical service check, debug with Nmap’s debug flags, and package your script for sharing.
Lock down SSH on your Kali Linux VPS with this step-by-step guide: generate and use SSH keys, disable password logins, and configure Fail2Ban to automatically ban unwanted access attempts.