[Let’s Encrypt](https://letsencrypt.org/) is a Certificate Authority that provides free [TLS/SSL certificates](https://www.digitalocean.com/community/tutorials/openssl-essentials-working-with-ssl-certificates-private-keys-and-csrs), enabling encrypted HTTPS on web servers. This tutorial will guide you through securing your Apache web server using Let’s Encrypt and [Certbot](https://certbot.eff.org/), the Let’s Encrypt client that helps automate the process of obtaining and installing a certificate. Choose your operating system below to get started.
How To Secure Apache with Let's Encrypt on CentOS 8
How To Secure Apache with Let's Encrypt on CentOS 7
How To Secure Apache with Let's Encrypt on Debian 11
How To Secure Apache with Let's Encrypt on Debian 10
How To Secure Apache with Let's Encrypt on Debian 9
How To Secure Apache with Let's Encrypt on Debian 8
How To Secure Apache with Let's Encrypt on Ubuntu
How To Secure Apache with Let's Encrypt on Ubuntu 20.04
How To Secure Apache with Let's Encrypt on Ubuntu 18.04
How To Secure Apache with Let's Encrypt on Ubuntu 16.04
How To Secure Apache with Let's Encrypt on Ubuntu 14.04