General Information
Using ddclient to update your dynamic IP for OpenDNS.
Checklist
Download, install, configure ddclient.
wget http://downloads.sourceforge.net/project/ddclient/ddclient/ddclient-3.8.3.tar.bz2
Install perl ssl library
yum install perl-IO-Socket-SSL
Extract and un-archive
tar -jxvf ddclient-3.8.3.tar.bz2
Create required directories
mkdir /etc/ddclient mkdir /var/cache/ddclient
Copy files to system locations
cp sample-etc_ddclient.conf /etc/ddclient/ddclient.conf cp ddclient-3.8.3/ddclient /usr/sbin/ cp ddclient-3.8.3/sample-etc_rc.d_init.d_ddclient /etc/rc.d/init.d/ddclient
Change perms, edit config file
chown root:root /etc/ddclient/ddclient.conf chmod 600 /etc/ddclient/ddclient.conf vi /etc/ddclient/ddclient.conf ## OpenDNS.com account-config use=web, web=myip.dnsomatic.com ssl=yes server=updates.opendns.com protocol=dyndns2 login=email@domain.com password=mypasshere MyNetwork
Test the config
ddclient -daemon=0 -debug -noquiet
Enable/start the service
chkconfig --add ddclient
service ddclient start