Do note that the last step of the article requires you to have set up a website and a domain already.They must be working and resolving in DNS, because Let's Encrypt triggers a challenge-response authentication to the domain name.If you like this article, consider sponsoring me by trying out a Digital Ocean VPS.With this link you'll get 0 credit for 60 days).The tutorial was prepared with our "Direct Admin 1.5 with Cent OS 6" template and is meant to work on our self-managed virtual private servers.0.Preliminary requirements:"Direct Admin 1.5 with Cent OS 6" template installed on server;1. Installing "Let's encrypt certificate Login to your "Direct Admin" control panel "user level" and choose a domain.I'll give you the TL; DR version here, but, if you want to know more, read her article. The above command will work on both Debian / Ubuntu and Cent OS.First log in to your server via SSH as root or as a user that can Direct Admin 1.49.1 to 1.50.0 update is available. You will be asked to confirm the updates before they're installed.
Let's Encrypt is a new certificate authority, recognized by all major browsers.You can test with a subdomain as well, but make sure to add the subdomain as a new domain, not as a subdomain (So, Domain Administration, Add a domain, testsub.example.org).Actual subdomains don't support seperate SSL in Directadmin.That is an extension to the TLS protocol which, simply said, allows you to host multiple SSL enabled sites on one IP address.Almost the same command as above, but with another value: You can check via the web interface if you now have the most recent version: Now that we're all set up we can request a certificate for a website.