2、centos7设置静态IP

1.编辑网卡信息     vim /etc/sysconfig/network-scripts/ifcfg-ens33    修改：       BOOTPROTO="static"       IPADDR=192.168.127.140       NETMASK=255.255.255.0       GATEWAY=192.168.127.2   2.设置systemctl     systemctl stop NetworkManager     systemctl disable NetworkManager     systemctl restart network   3.一个网卡上面绑定多个IP 添加方法：     ifconfig eth0:0 192.168.2.99 netmask 255.255.255.0     ip addr add 192.168.2.199/24 dev eth0:0 删除方法：     ip addr delete 192.168.2.199 dev eth0:0   eg:   添加：      ifconfig eth0:0 172.30.0.100 broadcast 172.30.255.255 netmask 255.255.0.0 up   删除：      ip addr delete 172.30.0.100 dev eth0:0