利用cobbler 重装系统

1、在客户端上安装koan

 yum install http://mirrors.ustc.edu/epel/7Server/x86_64/Packages/e/epel-release-7-11.noarch.rpm

 yum install koan

2、查看cobbler server上的配置文件

koan  --server=192.168.126.25  --list=profiles

- looking for Cobbler at http://192.168.126.25:80/cobbler_api
CentOS-7.4-x86_64
CentOS-6.5-x86_64

3、重新安装客户端系统

koan  --replace-self --server=192.168.126.25 --profile=CentOS-6.5-x86_64

4.reboot