service network restart
firewall-cmd --state
systemctl stop firewalld
useradd lh
passwd 111
mkdir /opt/software /opt/module
chown lh:lh /opt/software /opt/module
vim /etc/sudoers
lh ALL=(ALL) NOPASSWD:ALL
vim /etc/hosts后追加
192.168.17.130 hadoop100
192.168.17.131 hadoop101
192.168.17.132 hadoop102
192.168.17.133 hadoop103
192.168.17.134 hadoop104
192.168.17.135 hadoop105
vim /etc/sysconfig/network
NETWORKING=yes
HOSTNAME=hadoop102
NTPSERVERARGS=iburst
关机,拍快照 为 after config
克隆完成后,完成6,7三步
sudo vim /etc/sysconfig/network-scripts/ifcfg-ens33
sudo vim /etc/sysconfig/network
改网卡脚本文件,第一行删掉;第二行最后的name=“eth1”改成NAME=“eth0”,第八步是centos6.5的,1-7都是centos7