1. Download and install the linux DUC in terminal                
    • wget --content-disposition https://www.noip.com/download/linux/latest                    
    • tar xf noip-duc_3.3.0.tar.gz
    • cd /home/$USER/noip-duc_3.3.0/binaries && sudo apt install ./noip-duc_3.3.0_amd64.deb        
  2. Once installed, run noip-ducto start the program.                
    • You will want to explore the various options, so run noip-duc --help to see the available commands.
  3. To login and send updates using DDNS Keys enter the following:
    noip-duc -g all.ddnskey.com --username <DDNS Key Username> --password <DDNS Key Password>
  4. You will be prompted to enter your username and password for No-IP, and for the hostnames you wish to update.