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Install Certbot with Manual DNS on Ubuntu VPS

Category: VPS Setup

Use Certbot—a Let’s Encrypt tool—with manual DNS validation on an Ubuntu VPS—install with
apt install certbot
run:
certbot certonly --manual -d domain.com
add TXT record as prompted Open port:
ufw allow 443
On Vultr test with
curl -I https://domain.com
—expect SSL after DNS update Ensures uptime—secures phpMyAdmin in VPS hosting without web server dependency

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