When I go to http://archive.ubuntu.com/ubuntu/dists/focal/main/ I don't find mini.iso in the path installer-amd64/current/images/netboot/ - where is it located nowadays?
When I go to http://archive.ubuntu.com/ubuntu/dists/focal/main/ I don't find mini.iso in the path installer-amd64/current/images/netboot/ - where is it located nowadays?
Wrong directory. See installer-amd64/current/legacy-images/netboot/