d-i preseed/early_command string wget http://people.canonical.com/~cjwatson/tmp/partman-iscsi_1_all.udeb && wget http://people.canonical.com/~cjwatson/tmp/open-iscsi-udeb_2.0.870.1-0ubuntu7_i386.udeb && wget http://people.canonical.com/~cjwatson/tmp/disk-detect_1.72ubuntu2_all.udeb && udpkg -i partman-iscsi_1_all.udeb && udpkg -i open-iscsi-udeb_2.0.870.1-0ubuntu7_i386.udeb && udpkg --unpack disk-detect_1.72ubuntu2_all.udeb && anna-install libnss-files-udeb