/init: line 7: can't open /dev/sr0: No medium found /init: line 7: can't open /dev/sr0: No medium found /init: line 7: can't open /dev/sr0: No medium found /init: line 7: can't open /dev/sr0: No medium found /init: line 7: can't open /dev/sr0: No medium found /init: line 7: can't open /dev/sr0: No medium found /init: line 7: can't open /dev/sr0: No medium found /init: line 7: can't open /dev/sr0: No medium found /init: line 7: can't open /dev/sr0: No medium found /init: line 7: can't open /dev/sr0: No medium found /init: line 7: can't open /dev/sr0: No medium found /init: line 7: can't open /dev/sr0: No medium found /init: line 7: can't open /dev/sr0: No medium found /init: line 7: can't open /dev/sr0: No medium found Generating locales... en_US.UTF-8... up-to-date Generation complete. pwconv: failed to change the mode of /etc/passwd- to 0600 Using CD-ROM mount point /cdrom/ Identifying.. [0e18a61fae44cbae50ac2a880322786b-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 amd64 (20130309)' This disc is called: 'Kubuntu 13.04 _Raring Ringtail_ - Alpha amd64 (20130309)' Copying package lists...gpgv: Signature made Sat Mar 9 16:52:49 2013 UTC 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 amd64 (20130309)]/ raring main multiverse restricted universe Repeat this process for the rest of the CDs in your set.