此脚本是通过rsync同步清华大学的yum源，同步到本地

vim /var/ftp/pub/rsync.sh
chmod +x /var/ftp/pub/rsync.sh

mkdir -pv /var/ftp/pub/epel/epel/7/
mkdir -pv /var/ftp/pub/epel/centos/7/os/x86_64/
mkdir -pv /var/ftp/pub/epel/centos/7/updates/x86_64/
mkdir -pv /var/ftp/pub/epel/centos/7/extras/x86_64/
mkdir -pv /var/ftp/pub/epel/centos/7/centosplus/x86_64/
#先把相关的目录创建一下然后再来同步脚本，第二次增量同步的时候吧创建目录的命令注释掉就可以了
#epel
rsync -avz --exclude-from=/var/ftp/pub/exclude.list rsync://mirrors.tuna.tsinghua.edu.cn/epel/7/ /var/ftp/pub/epel/7/
createrepo /var/ftp/pub/epel/7/
 
#centos7-base
rsync -avz --exclude-from=/var/ftp/pub/exclude.list rsync://mirrors.tuna.tsinghua.edu.cn/centos/7/os/x86_64/ /var/ftp/pub/centos/7/os/x86_64/
createrepo /var/ftp/pub/centos/7/os/x86_64/
 
#centos7-updates
rsync -avz --exclude-from=/var/ftp/pub/exclude.list rsync://mirrors.tuna.tsinghua.edu.cn/centos/7/updates/x86_64/ /var/ftp/pub/centos/7/updates/x86_64/
createrepo /var/ftp/pub/centos/7/updates/x86_64/
 
#centos7-extras
rsync -avz --exclude-from=/var/ftp/pub/exclude.list rsync://mirrors.tuna.tsinghua.edu.cn/centos/7/extras/x86_64/ /var/ftp/pub/centos/7/extras/x86_64/
createrepo /var/ftp/pub/centos/7/extras/x86_64/
 
#centos7-centosplus
rsync -avz --exclude-from=/var/ftp/pub/exclude.list rsync://mirrors.tuna.tsinghua.edu.cn/centos/7/centosplus/x86_64/ /var/ftp/pub/centos/7/centosplus/x86_64/
createrepo /var/ftp/pub/centos/7/centosplus/x86_64/
 
#centos7.3.1611-base
#rsync -avz --exclude-from=/usr/local/local_mirror/exclude.list rsync://mirrors.tuna.tsinghua.edu.cn/centos/7.3.1611/os/x86_64/ /var/ftp/pub/centos/7.3.1611/os/x86_64/
#createrepo /var/ftp/pub/centos/7.3.1611/os/x86_64/
 
#centos7.3.1611-updates
#rsync -avz --exclude-from=/usr/local/local_mirror/exclude.list rsync://mirrors.tuna.tsinghua.edu.cn/centos/7.3.1611/updates/x86_64/ /var/ftp/pub/centos/7.3.1611/updates/x86_64/
#createrepo /var/ftp/pub/centos/7.3.1611/updates/x86_64/
 
#centos7.3.1611-extras
#rsync -avz --exclude-from=/usr/local/local_mirror/exclude.list rsync://mirrors.tuna.tsinghua.edu.cn/centos/7.3.1611/extras/x86_64/ /var/ftp/pub/centos/7.3.1611/extras/x86_64/
#createrepo /var/ftp/pub/centos/7.3.1611/extras/x86_64/
 
#centos7.3.1611-centosplus
#rsync -avz --exclude-from=/usr/local/local_mirror/exclude.list rsync://mirrors.tuna.tsinghua.edu.cn/centos/7.3.1611/centosplus/x86_64/ /var/ftp/pub/centos/7.3.1611/centosplus/x86_64/
#createrepo /var/ftp/pub/centos/7.3.1611/centosplus/x86_64/

本脚本中的exclude.list文件内容，把此内容放放到/var/ftp/pub/exclude.list

可以用vim创建

具体命令：vim /var/ftp/pub/exclude.list

详细内容：

SRPMS
aarch64
ppc64
ppc64le
debug
repodata
EFI
LiveOS
images
isolinux
CentOS_BuildTag
EULA
GPL
RPM-GPG-KEY-CentOS-7
RPM-GPG-KEY-CentOS-Testing-7
drpms