خب من وقتی میخوام با استفاده از دی وی دی کوبونتو نصب کنم به مشکل بر می خورم
aryan@aryan-desktop:~$ sudo apt-cdrom add
[sudo] password for aryan:
Using CD-ROM mount point /cdrom/
Unmounting CD-ROM
Waiting for disc...
Please insert a Disc in the drive and press enter
Mounting CD-ROM...
Identifying.. [1ad80d8c6b84b7e39d07a4159b471634-2]
Scanning disc for index files..
Found 2 package indexes, 0 source indexes, 0 translation indexes and 1 signatures
Found label 'Kubuntu 8.10 _Intrepid Ibex_ - Release i386 (20081030)'
This disc is called:
'Kubuntu 8.10 _Intrepid Ibex_ - Release i386 (20081030)'
Copying package lists...gpgv: Signature made Thu 30 Oct 2008 07:07:41 AM IRST using DSA key ID FBB75451
gpgv: Good signature from "Ubuntu CD Image Automatic Signing Key <cdimage@ubuntu.com>"
E: Could not open file /cdrom/dists/intrepid/main/binary-i386/Packages - open (2 No such file or directory)
E: Unable to determine the file size - fstat (9 Bad file descriptor)
W: Hash mismatch for: main/binary-i386/Packages
E: Could not open file /cdrom/dists/intrepid/main/debian-installer/binary-i386/Packages - open (2 No such file or directory)
E: Unable to determine the file size - fstat (9 Bad file descriptor)
W: Hash mismatch for: main/debian-installer/binary-i386/Packages
E: Could not open file /cdrom/dists/intrepid/restricted/binary-i386/Packages - open (2 No such file or directory)
E: Unable to determine the file size - fstat (9 Bad file descriptor)
W: Hash mismatch for: restricted/binary-i386/Packages
باید چکار کنم؟