It produced this output:
Saving debug log to /var/log/letsencrypt/letsencrypt.log
Plugins selected: Authenticator nginx, Installer nginx
Starting new HTTPS connection (1): acme-v02.api.letsencrypt.org
No names were found in your configuration files. Please enter in your domain
name(s) (comma and/or space separated) (Enter ‘c’ to cancel): c
My web server is (include version):
nginx version: nginx/1.16.1
The operating system my web server runs on is (include version):
Description: Ubuntu 16.04.6 LTS
Release: 16.04
Codename: xenial
My hosting provider, if applicable, is:
Self hosted
I can login to a root shell on my machine (yes or no, or I don’t know):
Yes
I’m using a control panel to manage my site (no, or provide the name and version of the control panel):
No
The version of my client is (e.g. output of certbot --version or certbot-auto --version if you’re using Certbot):
certbot 0.31.0
Hello,
My site was working fine till today. I upgraded nginx from 1.10.3 to 1.16.1
My site is accessible. But SSL is not working. So I tried to renew/redeploy the certificates. But the discovery is not working.