How to Set Up DHCP Dynamic DNS on Ubuntu

Learn how to configure Dynamic DNS (DDNS) in Linux using Ubuntu 20.04 LTS with Bind9 and ISC DHCP in this comprehensive 43-minute tutorial. Create a key for DHCP server authentication, configure the DNS server to accept DDNS updates, and set up the DHCP server to send updates to DNS. Follow step-by-step instructions for creating key files, moving zone files, updating DNS and DHCP configurations, and performing maintenance tasks. Gain practical knowledge on troubleshooting, monitoring syslog, and pausing DDNS for static changes. Master the implementation of DDNS in a Linux environment to keep DNS records automatically updated as IP addresses are leased or released.

Intro
Assumptions
Create Key File
Move Zone Files
Configure DNS Server
Configure DHCP Server
Testing
Zone Maintenance
Summary