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  • apt-get update更新源时,出现“Hash Sum mismatch”问题

    当使用apt-get update更新源时,出现下面“Hash Sum mismatch”的报错,具体如下:
    root@localhost:~# apt-get update
    ......
    ......
    W: Failed to fetch http://us.archive.ubuntu.com/ubuntu/dists/precise/main/source/Sources Hash Sum mismatch
    W: Failed to fetch http://us.archive.ubuntu.com/ubuntu/dists/precise/restricted/source/Sources Hash Sum mismatch
    W: Failed to fetch http://us.archive.ubuntu.com/ubuntu/dists/precise/universe/source/Sources Hash Sum mismatch
    W: Failed to fetch http://us.archive.ubuntu.com/ubuntu/dists/precise/multiverse/source/Sources Hash Sum mismatch
    W: Failed to fetch http://us.archive.ubuntu.com/ubuntu/dists/precise/main/binary-amd64/Packages Hash Sum mismatch
    W: Failed to fetch http://us.archive.ubuntu.com/ubuntu/dists/precise/restricted/binary-amd64/Packages Hash Sum mismatch
    W: Failed to fetch http://us.archive.ubuntu.com/ubuntu/dists/precise/universe/binary-amd64/Packages Hash Sum mismatch
    W: Failed to fetch http://us.archive.ubuntu.com/ubuntu/dists/precise/multiverse/binary-amd64/Packages Hash Sum mismatch
    W: Failed to fetch http://us.archive.ubuntu.com/ubuntu/dists/precise/main/binary-i386/Packages Hash Sum mismatch
    W: Failed to fetch http://us.archive.ubuntu.com/ubuntu/dists/precise/restricted/binary-i386/Packages Hash Sum mismatch
    W: Failed to fetch http://us.archive.ubuntu.com/ubuntu/dists/precise/universe/binary-i386/Packages Hash Sum mismatch
    W: Failed to fetch http://us.archive.ubuntu.com/ubuntu/dists/precise/multiverse/binary-i386/Packages Hash Sum mismatch
    E: Some index files failed to download. They have been ignored, or old ones used instead.

    产生原因:
    所使用的网络供应商,有些会设置一些透明缓存,以增加网络内部速度,减少出口的流量,所获取的某些文件不是源服务器上的真正文件,是从缓存中获取的,当缓存中获取的一些校验信息跟源中不一致的时候,自然提示校验失败,无法继续更新。

    解决办法:
    1)删掉/var/lib/apt/lists 这个目录下的东西
    sudo rm -fR /var/lib/apt/lists/*
    2)新建相应文件夹
    sudo mkdir /var/lib/apt/lists/partial
    3)重新update
    sudo apt-get update

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  • 原文地址:https://www.cnblogs.com/kevingrace/p/6083854.html
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