deb file:///media/cdrom0 kali-rolling main contrib non-free
并使用#注释其他行。
现在,每当我尝试apt-get update
时,我会得到:
E: The repository 'file:/media/cdrom0 kali-rolling Release' is not signed.
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.