安装yum-utilsyum -y install yum-utils下载rpmyumdownloader proxychains得到proxychains-3.1-16.fc22.i686.rpm 、proxychains-3.1-16.fc22.x86_64.rpm两个文件下载源码yumdownloader --source proxychains得到文件proxychains-3.1-16.fc22.src.rpm