Certbot how to use it with nginx (SSL Certificate with Let's Encrypt)

Certbox is super easy, all you need is here https://certbot.eff.org/lets-encrypt/ubuntubionic-nginx

For some quick run, just start and you will have wizard running with options to auto create configs for you

sudo certbot --nginx

or if you want to have only certificates and manually add config to nginx files, use this

sudo certbot --nginx certonly

to check it all, use this

sudo certbot renew --dry-run

and have a dry run and current state of certificates.