I ran this command: sudo certbot --webroot -w /var/www/bigbluebutton-default/ -d tmc.or.tz certonly
It produced this output: Failed authorization procedure. tmc.or.tz (http-01): urn:ietf:params:acme:error:unauthorized :: The client lacks sufficient a
uthorization :: Invalid response from http://tmc.or.tz/.well-known/acme-challenge/jWldJ7AMJqfoJZhr9CPCMo6FM6gobDBIrXdGqPROO3c
[212.1.211.119]: "\n<html style=“height:100%”>\n\n<meta name=“viewport” content=“width=device-widt
h, initial-scale=1, shrink-to-”
IMPORTANT NOTES:
The following errors were reported by the server:
Domain: tmc.or.tz
Type: unauthorized
Detail: Invalid response from http://tmc.or.tz/.well-known/acme-challenge/jWldJ7AMJqfoJZhr9CPCMo6FM6gobDBIrXdGqPROO3c
[212.1.211.119]: "\n<html
style=“height:100%”>\n\n<meta name=“viewport”
content=“width=device-width, initial-scale=1, shrink-to-”
To fix these errors, please make sure that your domain name was
entered correctly and the DNS A/AAAA record(s) for that domain
contain(s) the right IP address.
My web server is (include version): nginx
The operating system my web server runs on is (include version): Ubuntu 16.04 VM instance
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): Cpanel
The version of my client is (e.g. output of certbot --version or certbot-auto --version if you’re using Certbot): certbot 0.27.0
Ok.
First you need to look at the vhost config that covers the domain tmc.or.tz
Does it have?: <location /.well-known/> <location /.well-known/acme-challenge/>
or <location />