dyndns vs ddclient

• Register free domain in dyn.com

https://www.dyndns.com/account/services/hosts/add.html


It's free, although there are "Add to Cart" button

• Install ddclient

CentOS guide

• configure ddclient 

$ nano  /etc/ddclient/ddclient.conf

• At the end of the ddclient.conf

  use=web, web=checkip.dyndns.com/, web-skip='IP Address'
  login={your-username}
  password={your-password}
  protocol=dyndns2
  server=members.dyndns.org
  {your registered domain} 

• Save the ddclient.conf and restart ddclient

$ /etc/init.d/ddclient restart