سلام... روی دبیان ۱۲ هستم... علت اینکه دستور زیر کار نمیکنه چیه؟
sudo apt update
[sudo] password for info:
Ign:1 cdrom://[Official Debian GNU/Linux Live 12.9.0 gnome 2025-01-11T10:25:55Z] bookworm InRelease
Err:2 cdrom://[Official Debian GNU/Linux Live 12.9.0 gnome 2025-01-11T10:25:55Z] bookworm Release
Please use apt-cdrom to make this CD-ROM recognized by APT. apt-get update cannot be used to add new CD-ROMs
Reading package lists... Done
E: The repository 'cdrom://[Official Debian GNU/Linux Live 12.9.0 gnome 2025-01-11T10:25:55Z] bookworm Release' does not have a Release file.
N: Updating from such a repository can't be done securely, and is therefore disabled by default.
N: See apt-secure(8) manpage for repository creation and user configuration details.
sudo apt-get update
Ign:1 cdrom://[Official Debian GNU/Linux Live 12.9.0 gnome 2025-01-11T10:25:55Z] bookworm InRelease
Err:2 cdrom://[Official Debian GNU/Linux Live 12.9.0 gnome 2025-01-11T10:25:55Z] bookworm Release
Please use apt-cdrom to make this CD-ROM recognized by APT. apt-get update cannot be used to add new CD-ROMs
Reading package lists... Done
E: The repository 'cdrom://[Official Debian GNU/Linux Live 12.9.0 gnome 2025-01-11T10:25:55Z] bookworm Release' does not have a Release file.
N: Updating from such a repository can't be done securely, and is therefore disabled by default.
N: See apt-secure(8) manpage for repository creation and user configuration details.