yum离线下载
Downloadonly yum install yum-plugin-downloadonly rpm -ql libXrender | cat -n yum install --downloadonly --downloaddir=/usr/ttzz/yumdir/ libXrender yum install --downloadonly --downloaddir=/usr/ttzz/yumdir/ libXext yum install --downloadonly --downloaddir=/usr/ttzz/yumdir/ fontconfig