when trying to start the installation of docker. Error and abort.
Background task error for create ubuntu-1: 500 Server Error: Internal Server Error (“Get https://registry-1.docker.io/v2/library/ubuntu/manifests/18.04: Get https://auth.docker.io/token?scope=repository%3Alibrary%2Fubuntu%3Apull&service=registry.docker.io: x509: certificate signed by unknown authority”)