Browsing: Let’s Encrypt

Learn how to install Let’s Encrypt on a Vultr VPS running Ubuntu and Nginx, including DNS, firewall, Certbot, HTTPS, automatic-renewal checks, common errors and configuration rollback.

You can enable HTTPS on a custom-domain Blogger blog by correctly configuring the CNAME and A records, then waiting for Blogger to issue a certificate automatically. This guide also explains how to add a CAA record for Let’s Encrypt, distinguish HTTPS Redirect from domain redirection, and check for configuration errors.

Learn how to install a Let’s Encrypt TLS certificate on Ubuntu for OpenLiteSpeed with Certbot, configure certificate paths, redirect HTTP to HTTPS, and verify automatic renewal.

Step-by-step instructions for configuring HTTPS on Apache with Certbot and Let’s Encrypt on Ubuntu 22.04 or 24.04, covering DNS, firewall, VirtualHost configuration, and automatic renewal checks.

This updated tutorial shows how to obtain a Let’s Encrypt certificate on Ubuntu with Certbot, configure it in OpenLiteSpeed, redirect HTTP to HTTPS, and verify that renewals reload the web server automatically.