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Auto-configure a Let's Encrypt certificate

TIP: Use our interactive training scenario to learn how to enable HTTPS support in Apache with Let’s Encrypt or a custom SSL certificate.

Bitnami already includes a small tool that takes care of generating a valid certificate using Let’s Encrypt and the provided information and configures the web server to use it. That tool uses lego to run the Let’s Encrypt certificate generation commands. You can find the script inside the /opt/bitnami/letsencrypt/ folder.

Execute the following command to auto-configure a Let’s Encrypt certificate in your stack for a domain, both with and without the www prefix:

$ sudo /opt/bitnami/letsencrypt/scripts/generate-certificate.sh -m YOURMAIL -d YOURDOMAIN -d www.YOURDOMAIN

NOTE: You can use more than one domain by specifying the -d option as many times as domains you want to specify. When supplying multiple domains, Lego creates a SAN (Subject Alternate Names) certificate which results in only one certificate valid for all domains you entered. The first domain in your list will be added as the “CommonName” of the certificate and the rest, will be added as “DNSNames” to the SAN extension within the certificate.


NOTE: Remember that both YOURMAIL and YOURDOMAIN are placeholders. Replace them with your current email and with the new domain name you want to set.

This video shows you how easy it is to generate a valid certificate for your stack using the Bitnami auto-configure Let’s Encrypt tool: