Initial commit - Security operations and hardening tools

- Added Ansible playbooks for security hardening (UFW, Fail2Ban)
- Implemented SSH key management and host synchronization tools
- Created UFW hardening scripts and network security configurations
- Added Cockpit-Traefik reverse proxy setup documentation

🤖 Generated with [Claude Code](https://claude.ai/code)

Co-Authored-By: Claude <noreply@anthropic.com>

inventory.ini

@@ -0,0 +1,5 @@
+[popos]
+192.168.1.27 ansible_user=tony
+192.168.1.72 ansible_user=tony
+192.168.1.113 ansible_user=tony
+192.168.1.132 ansible_user=tony