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软件包操作失败 E: 子进程 /usr/bin/dpkg 返回错误代码 (1)

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软件包操作失败 E: 子进程 /usr/bin/dpkg 返回错误代码 (1)

当我运行软件更新时我得到

  package operation failed

更新已下载成功。

错误窗口消失得太快了，我无法记录下错误。

我运行了 sudo apt-get dist-upgrade

  Errors were encountered while processing:
  /var/cache/apt/archives/apt_1.6.6ubuntu0.1_amd64.deb 
  E: Sub-process /usr/bin/dpkg returned an error code (1)

按照下面的答案我得到了：

Unpacking apt (1.6.6ubuntu0.1) over (1.6.6) ... 
dpkg: error processing archive /var/cache/apt/archives/apt_1.6.6ubuntu0.1_amd64.deb (--unpack): 
unable to make backup link of './lib/systemd/system/apt-daily.timer' 
before installing new version: Operation not permitted dpkg-deb: 
error: paste subprocess was killed by signal (Broken pipe)

答案1

几个月前，我为 apt-daily.timer 添加了不可变属性。

由于某种原因，软件更新程序决定它不喜欢这样。

删除该属性后，软件更新程序现在可以工作了。？

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