precise server release 20170502 i386 server/releases/precise/release-20170502/ubuntu-12.04-server-cloudimg-i386.tar.gz ubuntu-precise-12.04-i386-server-20170502 precise server release 20170502 amd64 server/releases/precise/release-20170502/ubuntu-12.04-server-cloudimg-amd64.tar.gz ubuntu-precise-12.04-amd64-server-20170502