If you are unable to generate an SSL certificate with Let’s Encrypt on Ubuntu 20.04, follow the steps below. Please see Using Prometheus for Monitoring, How to Configure Azure Monitor for VMs on Azure Stack Hub, how to Install, configure Prometheus for Monitoring on a Linux Server, How To Configure VM Update Management on Azure Stack Hub, and How to increase the Windows PIN complexity to accommodate more digits.
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 you get the package python-virtualenv has no installation candidate error message, this means that the virtualenv package is not installed. Let’s start by running the following commands below
apt-get updateapt-get install python3-virtualenv
Upon installation of this environment,, I could generate the Let’s Encrypt SSL Certificate.
Another reference “Script for SSL certificate creation broken on 20.04 Focal Fossa“:
I hope you found this blog post helpful in fixing the package python-virtualenv has no installation candidate error. If you have any questions, please let me know in the comment session.
