... rpm -qa |grep mysql -i 查询系统是否安装mysql包(-i,忽略大小写) rpm -e 删除安装的软件包 rpm -e mysql* –nodpes 强制删除相关的软件包 ...
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因此，在安装新软件之前最好删除旧的二进制软件包。
Thus, it's best to remove the old binary packages before installing the new software.
结果是要安装、删除和升级的软件包汇总以及可供安装的软件包建议。
The result will be a summary of the packages that will be installed, removed, and upgraded as well as Suggestions of optional packages that you might want to install.
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