Here is bash script to dynamically update DigitalOcean domain name ‘A’ record to create dyndns type service on your Linux system. Pre-Requisites 1. Domain (example.com) registered at DO 2. Subdomain (home.example.com) which you want to point to a machine whose public IP is not constant 3. DO API key. Can be obtained from https://cloud.digitalocean.com/settings/api/tokens 4. […]