rpm覆盖安装

# 覆盖安装，并自动卸载老版本
rpm -Uvh xxx.rpm --nodeps --force

# 覆盖安装，忽略package xxx is already installed错误
rpm -ivh --replacepkgs xxx.rpm
# 文件冲突，忽略报错：file filepath from install of xxx1 conflicts with file from package xxx2
rpm -ivh --replacefiles xxx.rpm
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