How to configure Nginx with Let's Encrypt on CentOS 7/RHEL 7

Originally published at: https://www.cyberciti.biz/faq/how-to-secure-nginx-lets-encrypt-on-centos-7/

How do I secure my Nginx web server with Let’s Encrypt free ssl certificate on my CentOS 7 or RHEL 7 server? How to configure Nginx with Let’s Encrypt on CentOS 7?

I think it would be helpful to some off your audience to state the prerequisites for using ssl. Dedicated IP The number of sites ion shared hosting is huge.

Not true anymore. You can use server name indication (SNI). No need to use dedicated IP address. SNI might not work with older clients from Windows XP and Android tho. For info on SNI https://en.wikipedia.org/wiki/Server_Name_Indication