How do I install no-ip DUC on ubuntu 14.04?

I want to install no-ip DUC on ubuntu 14.04. When I run the following command(as the guide says)

sudo apt-get install noip2

I get the following error.

E: Unable to locate package noip2

How can I fix this and how can I install no-ip DUC on ubuntu 14.04

no-ip Ubuntu 14.04

sudo apt-get install noip2

could not found the package in a repository. So, to install noip2 you have to:

sudo -i
cd /usr/local/src/
wget http://www.noip.com/client/linux/noip-duc-linux.tar.gz
tar xf noip-duc-linux.tar.gz
cd noip-2.1.9-1/
make install
rm /usr/local/src/noip-duc-linux.tar.gz

To config defaults noip2 with capital C

sudo /usr/local/bin/noip2 -C

To change time interval noip2 with capital U

sudo /usr/local/bin/noip2 -U 120

To restart

sudo /usr/local/src/noip-2.1.9-1/debian.noip2.sh restart