If you installed Deluge daemon with VPN Split Tunnel by following our guide, then you are running Deluge daemon as vpn user.
Choose a username
and password
you
will use to access Deluge daemon from the client, replace accordingly
sudo echo username:password:10 >> /home/vpn/.config/deluge/auth
Next step is to enable and allow remote connection for the Deluge daemon
sudo nano /home/vpn/.config/deluge/core.conf
Find the line
"allow_remote": false,
and change it to
"allow_remote": true,
Hit Ctrl + X, Y to save and exit.
Now start the Deluge daemon service, on Ubuntu Server up to 14.04 LTS with
sudo service deluged start
On Ubuntu Server starting from version 15.04 with
sudo systemctl start deluged