سلام
اقا مهدی کار هایی رو که گفتید انجام دادم
نتیجه:
vahidnr@NovinRayaneh:~$ sudo apt-cdrom add
Using CD-ROM mount point /cdrom/
Unmounting CD-ROM
Waiting for disc...
Please insert a Disc in the drive and press enter disk1
Mounting CD-ROM...
Identifying.. [1f70f7b500043379ae97fc09a228cca8-2]
Scanning disc for index files..
Found 0 package indexes, 0 source indexes, 0 translation indexes and 0 signatures
E: Unable to locate any package files, perhaps this is not a Debian Disc
vahidnr@NovinRayaneh:~$ isk1
bash: isk1: command not found
vahidnr@NovinRayaneh:~$
مشکل از کجاست؟؟؟
ممنون