OpenVPN on ChromeOS and CloudReady

  1. Open
  2. Download the file ca.crt
  3. Open chrome://settings/certificates and import the downloaded ca.crt certificate under Authorities; don't check any of the 3 available options
  4. Open Settings > Add Connection > OpenVPN
  5. Add the following VPN parameters:

Server hostname: from the list at such as
Service name: any description
Provider type: OpenVPN
Server CA Certificate: VPN.AC [VPN.AC]
Username: your VPN username (e.g. vpn123456789)
Password: VPN password

OpenVPN Chromebook

Other tutorials: