1. installation

Settings -> Add-ons -> ADD-ON STORE -> tailscale

2. configuration

docker ps | grep tailscale | awk '{print $10}'
addon_a0d7b954_tailscale
docker exec -it addon_a0d7b954_tailscale sh
chmod +x /opt/tailscale
/opt/tailscale ip
100.126.29.2
fd7a:115c:a1e0::fc7e:1d02
/opt/tailscale status
100.126.29.2    homeassist           alain.rykaert@ linux   -
100.103.200.1   gsm001               alain.rykaert@ android idle, tx 9456 rx 2704

# Health check:
#     - dns-os: getting OS base config is not supported
#     - dns: getting OS base config is not supported

3. reconfig

/opt/tailscale down
/opt/tailscale up --advertise-routes="10.1.0.0/16" --reset