OpenVPN one single client configuration file
You can include certificates in the OpenVPN client configuration file. Put ca.crt between <ca> and </ca>. Put client.crt between <cert> and </cert>. Put client.key between <key> and </key>.
IT stuff
You can include certificates in the OpenVPN client configuration file. Put ca.crt between <ca> and </ca>. Put client.crt between <cert> and </cert>. Put client.key between <key> and </key>.