stdin: Not a typewriter stdin: Not a typewriter stdin: Not a typewriter umount: can't umount /cdrom: Device or resource busy stdin: Not a typewriter stdin: Not a typewriter umount: can't umount /cdrom: Device or resource busy stdin: Not a typewriter stdin: Not a typewriter umount: can't umount /cdrom: Device or resource busy Generating locales... en_US.UTF-8... up-to-date Generation complete. Resetting /etc/default/keyboard adduser: The user `ubuntu' already exists. Using CD-ROM mount point /cdrom/ Identifying.. [a695d4a88d009bbfcdf98c0177c37050-2] Scanning disc for index files.. Found 2 package indexes, 0 source indexes, 0 translation indexes and 1 signatures This disc is called: 'Ubuntu 12.10 _Quantal Quetzal_ - Release i386 (20121017.2)' Copying package lists...gpgv: Signature made Wed Oct 17 13:08:24 2012 CLST using DSA key ID FBB75451 gpgv: Good signature from "Ubuntu CD Image Automatic Signing Key " Reading Package Indexes... 0% Reading Package Indexes... 10% Reading Package Indexes... Done Writing new source list Source list entries for this disc are: deb cdrom:[Ubuntu 12.10 _Quantal Quetzal_ - Release i386 (20121017.2)]/ quantal main restricted Repeat this process for the rest of the CDs in your set.