Error Downloading Packages: yum更新出现错误
yum编译执行命令如下:yum install ntpdate wget autoconf automakelibtool gcc-c++ zlib-devel libjpeg-devel sqlite-devel libcurl-devel pcre-develspeex-devel libedit-devel openssl-devel libogg-devel libvorbis-dev