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... [4f4fa1d701c4482a3db1aa13b9d9812d-2]
Scanning disc for index files...
Found 2 package indexes, 0 source indexes, 0 translation indexes and 1 signatures
Found label 'Ubuntu 14.10 _Utopic Unicorn_ - Alpha amd64 (20140923)'
This disc is called: 
'Ubuntu 14.10 _Utopic Unicorn_ - Alpha amd64 (20140923)'
Copying package lists...gpgv: Signature made Tue Sep 23 08:05:31 2014 UTC using DSA key ID FBB75451
gpgv: Good signature from "Ubuntu CD Image Automatic Signing Key <cdimage@ubuntu.com>"

Reading Package Indexes... 0%

Reading Package Indexes... Done
Writing new source list
Source list entries for this disc are:
deb cdrom:[Ubuntu 14.10 _Utopic Unicorn_ - Alpha amd64 (20140923)]/ utopic main restricted
Repeat this process for the rest of the CDs in your set.