Auto connect VPN

automatically connect to VPN when connected to WiFi.

1. Open Network Manager from terminal: nm-connection-editor
2. Select network > Edit > General > Automatically connect to VPN when using this connection
3. Select the VPN from the dropdown

References

• https://ask.fedoraproject.org/en/question/101115/f25vpn-how-to-autoconnect-to-a-vpn-securely/?answer=101197#post-id-101197