OpenVPN
VPN client.
Website: https://openvpn.net/download-open-vpn/
Related:
HowTos
Store username and passwword
Create pass.txt file next to the .ovpn file.
Add username and password to the file:
username
password
In the configuration file add auth-user-pass pass.txt.
Troubleshooting
Unrecognized arguments
While parsing the config file this error is thrown:
** ERROR ** /bin/openvpn2: error: unrecognized arguments: --route-delay 4
Simply comment the config line out to resolve this issue.