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无法更新 Ubuntu-无法获取错误

tag-icon • tag-icon 12.04
无法更新 Ubuntu-无法获取错误

当更新崩溃时我收到此消息：

W:Failed to fetch http://cran.at.r-project.org/dists/precise-backports/main/source/Sources  404  Not Found
E:Some index files failed to download. They have been ignored, or old ones used instead.

答案1

我认为你的链接是错误的，试试这个

deb  http://cran.at.r-project.org/bin/linux/ubuntu precise/

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