问题

解决
https://stackoverflow.com/questions/53800051/repository-does-not-have-a-release-file-error
cp /etc/apt/sources.list /etc/apt/sources.list.bak
sudo sed -i -re 's/([a-z]{2}\.)?archive.ubuntu.com|security.ubuntu.com/old-releases.ubuntu.com/g' /etc/apt/sources.list