Configuring OpenDNS client in Ubuntu

Install ddclient in Ubuntu and configure file below.

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/etc/ddclient.conf
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# Configuration file for ddclient generated by debconf
#
# /etc/ddclient.conf

daemon=600
ssl=yes
use=web, web=whatismyip.org
server=updates.opendns.com
protocol=dyndns2
login=*******
password=********
xxxxxxxx (your opendns network label)
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Other helpful info:
sudo /etc/init.d/ddclient status
This checks to see whether it is running as a daemon.

sudo /etc/init.d/ddclient stop
This stops the daemon.

sudo /etc/init.d/ddclient stop
This starts the daemon.