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如何在apt-get升级或安装过程中自动保留配置文件？
在apt-get update; apt-get upgrade -y服务器上执行时，我遇到了以下消息： Setting up sudo (1.8.16-0ubuntu1.5) ... Configuration file '/etc/sudoers' ==> Modified (by you or by a script) since installation. ==> Package distributor has shipped an updated version. What would you like to do about it ? Your options are: Y or I : install the package …