From: jacobjangles.com/free-dd…
Good too: github.com/mcblum/ddclie…
Prepare
- Create the subdomain in Cloudflare, and set to DNS only. Unless you are hosting a website at that subdomain.
- Grab your Global API found under “My profile –> API tokens”
- On the server install ddclient.
sudo apt install ddclient libdata-validate-ip-perlGrab the latest version (No longer needed in 22.04)
wget https://github.com/ddclient/ddclient/archive/v3.9.1.tar.gz
tar -xf v3.9.1.tar.gz
sudo cp ddclient-3.9.1/ddclient /usr/sbin/ddclient
rm -rf v3.9.1.tar.gz ddclient-3.9.1/
sudo mkdir /etc/ddclient
sudo mv /etc/ddclient.conf /etc/ddclient/Configuration
sudo nano -w /etc/ddclient/ddclient.conf
# Configuration file for ddclient generated by debconf
#
# /etc/ddclient.conf
# Configuration file for ddclient
##
## Global Config
##
daemon=500
ssl=yes
##
## sub.domain.tld - Cloudflare ## Update Me
##
protocol=cloudflare
use=web
[email protected] ## Update Me with cloudflare login email
password=abcredactedxyz ## Update Me with cloudflare Global API found under "My profile --> API tokens"
zone=domain.tld ## Update Me with the domain
sub.domain.tld ## Update Me with the subdomainTo test:
sudo ddclient -query
sudo ddclient -daemon=0 -verbose -noquiet
sudo service ddclient status