[root@localhost ~]# vim /etc/sysconfig/network-scripts/ifcfg-eno16777736
TYPE=Ethernet 类型=以太网
BOOTPROTO=dhcp 协议=dhcp (手动表示static)
DEFROUTE=yes
PEERDNS=yes
PEERROUTES=yes
IPV4_FAILURE_FATAL=no
IPV6INIT=yes
IPV6_AUTOCONF=yes
IPV6_DEFROUTE=yes
IPV6_PEERDNS=yes
IPV6_PEERROUTES=yes
IPV6_FAILURE_FATAL=no
NAME=eno16777736
UUID=98c42a89-363f-46f6-9dd4-344c371330fb
DEVICE=eno16777736 设备名
ONBOOT=no
二.使用nmcli
1.如何添加一个网络设置
[root@localhost ~]# nmcli device show查看
[root@localhost ~]# nmcli connection edit eno16777736
nmcli> goto ipv4 【method manual方法手工】
配置后:
[root@localhost ~]# nmcli connection up eno16777736【激活会话】
得到地址inet 192.168.91.140/24 brd 192.168.91.255 scope global eno16777736
启用某个会话
[root@localhost ~]# nmcli connection up +【名称】
--------------------连接
2.添加第二个地址:
如何更改网络配置
--------------------------
1一次性配置
[root@localhost ~]# nmcli connection modify eno16777736 +ipv4.addresses 192.168.91.139/24 ipv4.gateway 192.168.91.254 ipv4.dns 114.114.114.114 connection.autoconnect yes
2逐条配置
[root@localhost ~]# nmcli connection modify eno16777736 +ipv4.addresses 192.168.91.13
9/24
[root@localhost ~]# nmcli connection modify eno16777736 ipv4.gateway 192.168.91.254
[root@localhost ~]# nmcli connection modify eno16777736 ipv4.dns 114.114.114.114
[root@localhost ~]# nmcli connection modify eno16777736 connection.autoconnect yes
-------------------------
[root@localhost ~]# nmcli connection up eno16777736 【激活会话】
3.设置多会话的网络
添加会话
[root@localhost ~]# nmcli connection add con-name home ifname eno16777736 type ethernet
成功添加的连接 'home'(01e12304-c51e-41d6-836b-b361dff2143b)。
[root@localhost ~]# vim /etc/sysconfig/network-scripts/ifcfg-home
获取地址方式dhcp
[root@localhost ~]# nmcli connection show
[root@localhost ~]# nmcli connection up home [激活]
设置IP地址信息
nmcli connection modify home ipv4.addresses “192.168.91.1/24”
更改ip地址获取方式(静态)
nmcli connection modify home ipv3.method manual
dhcp方式设置
nmcli connection modify home ipv3.method auto
--------------
启用会话 #nmcli connection up work
##图形工具nmtui
##图形工具nm-connection-editor