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

Use Certbot for Wildcard SSL on Debian VPS

Category: VPS Setup

Configure Certbot—a Let’s Encrypt tool—for wildcard SSL (* domain com) on a Debian VPS—install with

apt install certbot python3-certbot-dns-cloudflare

run:

certbot certonly --dns-cloudflare --dns-cloudflare-credentials /root/cloudflare.ini -d \"*.domain.com\"

Open port:

ufw allow 443

On Linode test with

curl -I https://sub.domain.com

—expect SSL coverage Ensures uptime—secures phpMyAdmin subdomains in VPS hosting with Let’s Encrypt