VPS Guide: Your Go-To for VPS, Ubuntu & Command Line Success

Configure Dynamic DNS on CentOS VPS

Category: VPS Setup

Set up Dynamic DNS (DDNS)—automatic IP updates for DNS—on a CentOS VPS with ddclient—install with

yum install ddclient -y

edit /etc/ddclient conf:

protocol=cloudflare\nlogin=your@email.com\npassword=your-api-key\ndomain.com

Start with

systemctl start ddclient

test with

dig domain.com

—expect current IP On Vultr open port:

firewall-cmd --add-service=http

Ensures uptime—ideal for phpMyAdmin on VPS hosting with dynamic IPs