Tailscale VPN

Tailscale VPN from https://tailscale.com/ 

• configures a host interface tailscale0 
• installs auto-start for tailscale daemon /etc/systemd/system/multi-user.target.wants/tailscaled.service
  
• starts service at boot allocating IP address 100.100.69.2 to the tailscale0 nic
• attaches tailscale0 nic to the shared VPN 
  • makes accessible 100.100.69.X addresses
  • makes the HOST available as an exit node

configured to use account pkswansea@outlook.com via the admin console via https://login.tailscale.com/admin 

The server SSH service running on port 69 isonly exposed on the tailscale0 interface via the IP 100.100.69.2 once the daemon has started via /etc/systemd/system/ssh-after-tailscale.service and can only be accessed when connected to a valid VPN client

#!/bin/bash while ! ip addr show tailscale0 | grep -q "inet "; do     sleep 10 done systemctl start ssh