Chris wrote:
This is usually just a VPN detail that needs re-entering, not something broken. In the dashboard go to Settings → Network → Edit VPN settings. For Surfshark, the WireGuard private key is one 44-character line ending in = — log into Surfshark → VPN → Manual setup → Router → WireGuard → Generate a new key pair, and copy just the Private key into the WireGuard private key field. Put the Address from that same Surfshark page in the WireGuard addresses field (Surfshark's is usually 10.14.0.2/16). Save, and the tunnel should turn healthy within a minute or two. Portainer is separate from the VPN, so gluetun isn't what's blocking it. Open it from its tile in the dashboard (or http://your-box-ip:9000) and log in as admin with the password SparkBox generated for you at install.