stdin: Not a typewriter stdin: Not a typewriter stdin: Not a typewriter umount: can't umount /cdrom: Device or resource busy /init: line 7: can't open /dev/sr0: No medium found stdin: Not a typewriter /init: line 7: can't open /dev/sr0: No medium found stdin: Not a typewriter umount: can't umount /cdrom: Device or resource busy /init: line 7: can't open /dev/sr0: No medium found stdin: Not a typewriter /init: line 7: can't open /dev/sr0: No medium found stdin: Not a typewriter umount: can't umount /cdrom: Device or resource busy /init: line 7: can't open /dev/sr0: No medium found Generating locales... en_US.UTF-8... up-to-date Generation complete. Resetting /etc/default/keyboard adduser: The user `kubuntu' already exists. Using CD-ROM mount point /cdrom/ Identifying.. [0d4ef8686c788859496e91d3e26e3301-2] Scanning disc for index files.. Found 4 package indexes, 0 source indexes, 0 translation indexes and 1 signatures Found label 'Kubuntu 13.04 _Raring Ringtail_ - Alpha i386 (20130311.1)' This disc is called: 'Kubuntu 13.04 _Raring Ringtail_ - Alpha i386 (20130311.1)' Copying package lists...gpgv: Signature made Mon Mar 11 22:46:36 2013 CET using DSA key ID FBB75451 gpgv: Good signature from "Ubuntu CD Image Automatic Signing Key " Reading Package Indexes... 0% Reading Package Indexes... Done Writing new source list Source list entries for this disc are: deb cdrom:[Kubuntu 13.04 _Raring Ringtail_ - Alpha i386 (20130311.1)]/ raring main multiverse restricted universe Repeat this process for the rest of the CDs in your set.