stdin: error 0 stdin: error 0 stdin: error 0 umount: can't umount /cdrom: Device or resource busy /init: line 7: can't open /dev/sr0: No medium found stdin: error 0 /init: line 7: can't open /dev/sr0: No medium found stdin: error 0 umount: can't umount /cdrom: Device or resource busy /init: line 7: can't open /dev/sr0: No medium found stdin: error 0 /init: line 7: can't open /dev/sr0: No medium found stdin: error 0 umount: can't umount /cdrom: Device or resource busy /init: line 7: can't open /dev/sr0: No medium found Generating locales... en_US.UTF-8... up-to-date Generation complete. Resetting /etc/default/keyboard adduser: The user `lubuntu' already exists. /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.. [d5fe942f228680fc6556c3a00d566558-2] Scanning disc for index files.. Found 8 package indexes, 0 source indexes, 0 translation indexes and 1 signatures Found label 'Lubuntu 12.04 _Precise Pangolin_ - Beta amd64 (20120406)' This disc is called: 'Lubuntu 12.04 _Precise Pangolin_ - Beta amd64 (20120406)' Copying package lists...gpgv: Signature made Fri Apr 6 11:27:29 2012 MDT using DSA key ID FBB75451 gpgv: Good signature from "Ubuntu CD Image Automatic Signing Key " Reading Package Indexes... 0% Reading Package Indexes... 7% Reading Package Indexes... Done Writing new source list Source list entries for this disc are: deb cdrom:[Lubuntu 12.04 _Precise Pangolin_ - Beta amd64 (20120406)]/ dists/precise/main/binary-i386/ deb cdrom:[Lubuntu 12.04 _Precise Pangolin_ - Beta amd64 (20120406)]/ dists/precise/multiverse/binary-i386/ deb cdrom:[Lubuntu 12.04 _Precise Pangolin_ - Beta amd64 (20120406)]/ dists/precise/restricted/binary-i386/ deb cdrom:[Lubuntu 12.04 _Precise Pangolin_ - Beta amd64 (20120406)]/ dists/precise/universe/binary-i386/ deb cdrom:[Lubuntu 12.04 _Precise Pangolin_ - Beta amd64 (20120406)]/ precise main multiverse restricted universe 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/multiverse/binary-amd64/Packages W: Skipping nonexistent file /cdrom/dists/precise/multiverse/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 W: Skipping nonexistent file /cdrom/dists/precise/universe/binary-amd64/Packages W: Skipping nonexistent file /cdrom/dists/precise/universe/binary-i386/Packages ln: /root/usr/sbin/update-initramfs: File exists chmod: /root/usr/sbin/update-initramfs: No such file or directory