输入以下

ip addr flush dev ens33
ip route flush dev ens33
systemctl stop NetworkManager
systemctl disable NetworkManager
ifdown ens33
rm -f /var/lib/NetworkManager/*
rm -f /etc/sysconfig/network-scripts/ifcfg-ens33.bak*  # 删除可能存在的备份文件
nmcli con del ens33 2>/dev/null
nmcli con add type ethernet ifname ens33 con-name ens33
systemctl daemon-reload
systemctl restart network

一键启动hdfs集群

start-dfs.sh

一键关闭hdfs集群

stop-dfs.sh