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libc6升级失败的问题描述与解决方法

申明:本帖只是此帖:Debugging Dpkg Problems的一个简化.

问题描述:

$sudo apt-get update
$sudo dpkg -i /var/cache/apt/archives/libc6_2.4-1Ubuntu10_i386.deb
>Preparing to replace libc6 2.4-1ubuntu6 (using …/libc6_2.4-1ubuntu10_i386.deb) …
>Matching libraries: /usr/lib/libpthread.so.20 /lib/ld-linux.so.2
>A copy of glibc was found in an unexpected directory.
>…
>dpkg: error processing /var/cache/apt/archives/libc6_2.4-1ubuntu10_i386.deb (–install)…

解决简化:
//据引用帖知,问题与libpthread包有关联
1.查看libpthread:

$sudo dpkg -l | grep libpthread
>ii libpthread20 2.0.7-2ubuntu2 The GNU Portable Threads (pthread emulation)

2.卸载libpthread:

$sudo apt-get remove –purge libpthread

//若能顺利删除则可执行(然后第4步):

$sudo apt-get update && sudo apt-get dist-upgrade

//若不能卸载libpthread,则须进行下一步

3.手动mv掉libpthread,然后再尝试升级:

$sudo mkdir /usr/lib/temp
$sudo mv /usr/lib/libpthread* /usr/lib/temp/
$sudo apt-get update && sudo apt-get dist-upgrade

4.最后得将libpthread复原,否则系统会出问题:

$sudo mv /usr/lib/libpthread* /usr/lib/
$sudo rm -r /usr/lib/temp

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