네트워크 설정 

#vi /etc/sysconfig/network-script/ifcfg-ens33

#BOOTPROTO="dhcp"

BOOTPROTO="static"

IPADDR="192.168.240.129"

GATEWAY="192.168.240.2"

DNS1="168.126.63.1"

DNS1="168.126.63.2"

yum clean