Certbot

Let’s Encrypt provides free, automated SSL/TLS certificates that can be used to enable HTTPS on an Ubuntu server. Certbot is one of the most popular tools for obtaining and automatically renewing Let’s Encrypt certificates. This guide covers installing Certbot, configuring SSL for Apache and Nginx, testing HTTPS, automatic renewal, and common troubleshooting commands. Prerequisites Before installing Certbot, make sure: You have an Ubuntu server. You have sudo or root access. Your domain points to the server’s public IP address....