As you are using an un-named Linux distro, try:
sudo service openvpn start
and also , what Linux distro are you using ?
petervd81 wroteHow can I use --daemon and actually connect
Exactly the same way you would any other way .. by setting up your server & client config files correctly.
petervd81 wrotewhich command should I use to check if connection is up
how about
ifconfig ?