我之后收到的输出apt update
:
Ign:1 cdrom://[Debian GNU/Linux 4.5 _Parrot_ - Official Snapshot amd64 LIVE/INSTALL Binary 20190127-02:06] parrot InRelease
Err:2 cdrom://[Debian GNU/Linux 4.5 _Parrot_ - Official Snapshot amd64 LIVE/INSTALL Binary 20190127-02:06] parrot Release
Please use apt-cdrom to make this CD-ROM recognized by APT. apt-get update cannot be used to add new CD-ROMs
Get:3 http://deb.parrotsec.org/parrot parrot InRelease [14.6 kB]
Reading package lists... Done
E: The repository 'cdrom://[Debian GNU/Linux 4.5 _Parrot_ - Official Snapshot amd64 LIVE/INSTALL Binary 20190127-02:06] parrot 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.
我该如何克服呢?