yum

yum

# yum -y install epel-release# yum -y install *# yum -y groupinstall '*'

yum默认下载目录：/var/cache/yum/x86_64/[centos/fedora-version]/[repository]/packages

只下载，不安装：

# yum install --downloadonly --downloaddir=下载路径 *专门包下载工具：yumdownloader(下载到当前目录，不下载依赖包)# yum -y install yum-utils# yumdownloader