Generating locales...
  ro_RO.UTF-8... done
Generation complete.
pwconv: failed to change the mode of /etc/passwd- to 0600
Using CD-ROM mount point /cdrom/
Identifying.. [e06a9617dbf734d18f47ddf5a20c31c4-2]
Scanning disc for index files..
Found 4 package indexes, 0 source indexes, 0 translation indexes and 1 signatures
Found label 'Kubuntu 14.04 LTS _Trusty Tahr_ - Beta amd64 (20140326.2)'
This disc is called: 
'Kubuntu 14.04 LTS _Trusty Tahr_ - Beta amd64 (20140326.2)'
Copying package lists...gpgv: Signature made Wed Mar 26 17:29:08 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:[Kubuntu 14.04 LTS _Trusty Tahr_ - Beta amd64 (20140326.2)]/ trusty main multiverse restricted universe
Repeat this process for the rest of the CDs in your set.