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... [2b27965329cb6f69b31b2bf419545646-2]
Scanning disc for index files...
Found 4 package indexes, 0 source indexes, 0 translation indexes and 2 signatures
Found label 'Ubuntu 14.04.1 LTS _Trusty Tahr_ - Release i386 (20140722.2)'
This disc is called: 
'Ubuntu 14.04.1 LTS _Trusty Tahr_ - Release i386 (20140722.2)'
Copying package lists...gpgv: Signature made Tue Jul 22 22:36:14 2014 UTC using DSA key ID FBB75451
gpgv: Good signature from "Ubuntu CD Image Automatic Signing Key <cdimage@ubuntu.com>"
gpgv: Signature made Tue Jul 22 22:38:25 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 14.04.1 LTS _Trusty Tahr_ - Release i386 (20140722.2)]/ trusty main restricted
deb cdrom:[Ubuntu 14.04.1 LTS _Trusty Tahr_ - Release i386 (20140722.2)]/ �/dists/trusty/main/binary-i386/
deb cdrom:[Ubuntu 14.04.1 LTS _Trusty Tahr_ - Release i386 (20140722.2)]/ �/dists/trusty/restricted/binary-i386/
Repeat this process for the rest of the CDs in your set.