当我运行时，sudo apt-get update我有以下输出：
Hit http://mirror.transact.net.au stable Release.gpg
Ign http://mirror.transact.net.au/debian/ stable/contrib Translation-en
Ign http://mirror.transact.net.au/debian/ stable/contrib Translation-en_AU
Ign http://mirror.transact.net.au/debian/ stable/main Translation-en
Ign http://mirror.transact.net.au/debian/ stable/main Translation-en_AU
Ign http://mirror.transact.net.au/debian/ stable/non-free Translation-en
Ign http://mirror.transact.net.au/debian/ stable/non-free Translation-en_AU
Hit http://mirror.transact.net.au stable Release
Hit http://mirror.transact.net.au stable/main amd64 Packages
Hit http://mirror.transact.net.au stable/contrib amd64 Packages
Hit http://mirror.transact.net.au stable/non-free amd64 Packages
Get:1 http://www.debian-multimedia.org squeeze Release.gpg [198 B]
Ign http://www.debian-multimedia.org/ squeeze/main Translation-en
Ign http://www.debian-multimedia.org/ squeeze/main Translation-en_AU
Ign http://www.debian-multimedia.org/ squeeze/non-free Translation-en
Ign http://www.debian-multimedia.org/ squeeze/non-free Translation-en_AU
Get:2 http://www.debian-multimedia.org squeeze Release [22.0 kB]
Ign http://www.debian-multimedia.org squeeze Release
Get:3 http://www.debian-multimedia.org squeeze/main amd64 Packages [72.8 kB]
Get:4 http://www.debian-multimedia.org squeeze/non-free amd64 Packages [3,902 B]
Fetched 98.9 kB in 3s (32.6 kB/s)
Reading package lists... Done
W: GPG error: http://www.debian-multimedia.org squeeze Release: The following signatures couldn't be verified because the public key is not available: NO_PUBKEY 07DC563D1F41B907
我在网上搜索过，但只能找到我无法理解的深奥解决方案。
有没有一种方法可以绕过阻止它的安全功能，而无需使用深奥的命令行？
答案1
正如您可以在Debian 多媒体主页
第一个要安装的软件包是
debian-multimedia-keyring.由于 Squeeze，您可以安装此软件包，
apt-get但您需要Y在软件包询问要执行的操作时按，而不是按回车键。
所以，总结一下，不要关心apt-get update警告，安装指定的包并Y在询问时回答。