ddclient for DynDNS Setup on Debian 7
# Configuration file for ddclient
#
# /etc/ddclient.conf
## ddclient configuration file
daemon=600
# check every 600 seconds
syslog=yes
## Default options
protocol=dyndns2
## Detect IP with our CheckIP server
use=web, web=checkip.dyndns.com, web-skip=’IP Address’
server=members.dyndns.org
# log update msgs to syslog
mail-failure=user@gmail.com # Mail failed updates to user
pid=/var/run/ddclient.pid
# record PID in file.
## DynDNS username and password here
login=username
password=’USER PASSWORD’
## Dynamic DNS hosts
userchoice.dyndns.org