Generating locales...
  it_IT.UTF-8... done
Generation complete.
pwconv: failed to change the mode of /etc/passwd- to 0600
/usr/lib/python2.7/dist-packages/LanguageSelector/LocaleInfo.py:256: UserWarning: Failed to connect to socket /var/run/dbus/system_bus_socket: No such file or directory
  warnings.warn(msg.args[0].encode('UTF-8'))
Using CD-ROM mount point /cdrom/
Identifying.. [be8a935e505e3a6f57f749d89ceb08c4-2]
Scanning disc for index files..
Found 4 package indexes, 0 source indexes, 0 translation indexes and 1 signatures
Found label 'Kubuntu 12.04 LTS _Precise Pangolin_ - Beta amd64 (20120327)'
This disc is called: 
'Kubuntu 12.04 LTS _Precise Pangolin_ - Beta amd64 (20120327)'
Copying package lists...gpgv: Signature made Tue Mar 27 01:12:14 2012 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... 9%

Reading Package Indexes... Done
Writing new source list
Source list entries for this disc are:
deb cdrom:[Kubuntu 12.04 LTS _Precise Pangolin_ - Beta amd64 (20120327)]/ dists/precise/main/binary-i386/
deb cdrom:[Kubuntu 12.04 LTS _Precise Pangolin_ - Beta amd64 (20120327)]/ dists/precise/restricted/binary-i386/
deb cdrom:[Kubuntu 12.04 LTS _Precise Pangolin_ - Beta amd64 (20120327)]/ precise main restricted
Repeat this process for the rest of the CDs in your set.
W: Skipping nonexistent file /cdrom/dists/precise/main/binary-amd64/Packages
W: Skipping nonexistent file /cdrom/dists/precise/main/binary-i386/Packages
W: Skipping nonexistent file /cdrom/dists/precise/restricted/binary-amd64/Packages
W: Skipping nonexistent file /cdrom/dists/precise/restricted/binary-i386/Packages