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debian-backports 的 pin 优先级在哪里定义？

tag-icon • tag-icon debian apt configuration
debian-backports 的 pin 优先级在哪里定义？

在 Debian Jessie 下，我第一次在我的包源中进行了向后移植。

我在 apt 中发生了一些冲突，因为我安装了一些软件包http://www.deb-multimedia.org/向后移植有更高版本。

多媒体的第一个引脚优先级是 100。我尝试将向后移植的优先级设置为 -1，但它不起作用。

LANG=C cat /etc/apt/preferences
Package: *
Pin: origin deb http://http.us.debian.org/debian jessie-backports main
release o=Debian Backports,a=jessie-backports,n=jessie-backports,l=Debian Backports,c=non-free
Pin-Priority: -1

Package: *
Pin: origin deb http://http.us.debian.org/debian jessie-backports main
release o=Debian Backports,a=jessie-backports,n=jessie-backports,l=Debian Backports,c=main
Pin-Priority: -1

Package: *
Pin: origin deb http://http.us.debian.org/debian jessie-backports contrib
release o=Debian Backports,a=jessie-backports,n=jessie-backports,l=Debian Backports,c=contrib
Pin-Priority: -1

Package: *
Pin: origin www.deb-multimedia.org
Pin-Priority: 300 
`

我的怎么了/etc/apt/preferences 

     LANG=C apt-cache policy | grep backports | egrep -i -v translat
 100 http://http.us.debian.org/debian/ jessie-backports/non-free i386 Packages
     release o=Debian Backports,a=jessie-backports,n=jessie-backports,l=Debian Backports,c=non-free
 100 http://http.us.debian.org/debian/ jessie-backports/contrib i386 Packages
     release o=Debian Backports,a=jessie-backports,n=jessie-backports,l=Debian Backports,c=contrib
 100 http://http.us.debian.org/debian/ jessie-backports/main i386 Packages
     release o=Debian Backports,a=jessie-backports,n=jessie-backports,l=Debian Backports,c=main
 100 http://http.us.debian.org/debian/ jessie-backports/non-free amd64 Packages
     release o=Debian Backports,a=jessie-backports,n=jessie-backports,l=Debian Backports,c=non-free
 100 http://http.us.debian.org/debian/ jessie-backports/contrib amd64 Packages
     release o=Debian Backports,a=jessie-backports,n=jessie-backports,l=Debian Backports,c=contrib
 100 http://http.us.debian.org/debian/ jessie-backports/main amd64 Packages
     release o=Debian Backports,a=jessie-backports,n=jessie-backports,l=Debian Backports,c=main

文件夹

ls -al /etc/apt/preferences.d/
insgesamt 8
drwxr-xr-x 2 root root 4096 Jan 25  2011 .
drwxr-xr-x 6 root root 4096 Dez 11 11:53 ..

是空的。

答案1

您只需要一个具有适当存档名称的条目：

Package: *
Pin: release a=jessie-backports
Pin-Priority: -1

请注意，向后移植默认固定为 100，因此除非您指定，否则它们不是安装候选者-t jessie-backports。我不知道这如何与其他来源的软件包一起使用，特别是如果它们的版本比稳定软件包更高......

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