If you are unable to generate an SSL certificate with Let’s Encrypt on Ubuntu 20.04, follow the steps below. See this post where the error occurred “Video Conferencing Server: How to install and configure Jitsi on Ubuntu“.
Solution: Here are some solutions that helped in resolving this issue
– 1: If the virtualenv package is not installed, running the following commands below
apt-get update
apt-get install python3-virtualenv
Upon installation of this environment,, I could generate the Let’s Encrypt SSL Certificate.
Another reference: https://community.jitsi.org/t/script-for-ssl-certificate-creation-broken-on-20-04-focal-fossa/43555/21
I hope you found this blog post helpful. If you have any questions, please let me know in the comment session.