Tailscale 셋업 & 안정 IP

# Find your tailnet IP
tailscale ip -4

# All devices on your tailnet
tailscale status

# Bring it up with options
sudo tailscale up --hostname=office --accept-routes --ssh
# --hostname    name to register as on the tailnet
# --accept-routes  let advertised subnets in (we'll cover this later)
# --ssh         enable Tailscale SSH (lesson 9)

# Bring it down without forgetting account
tailscale down

# Forget account entirely
sudo tailscale logout

# By tailnet IP
ping 100.64.0.1
ssh you_username@100.64.0.1

# By short hostname (MagicDNS — next lesson)
ping office
ssh office