RHEL 8.2 nmcli配置网络

常用查看命令

[xiaoshuai.zhu@localhost ~]$ nmcli device status  
[xiaoshuai.zhu@localhost ~]$ nmcli connection show  
[xiaoshuai.zhu@localhost ~]$ sudo nmcli device connect ens3  
[xiaoshuai.zhu@localhost ~]$ sudo nmcli device disconnect ens3  
[xiaoshuai.zhu@localhost ~]$ sudo nmcli connection up ens3  
[xiaoshuai.zhu@localhost ~]$ sudo nmcli connection down ens3  
[xiaoshuai.zhu@localhost ~]$ nmcli con show  
NAME  UUID                                  TYPE      DEVICE   
ens3  520a5194-2269-4282-b82a-08efc74c19b1  ethernet  ens3     

[xiaoshuai.zhu@localhost ~]$ sudo nmcli connection modify ens3 ipv4.method manual ipv4.addresses 192.168.0.205/24 ipv4.gateway 192.168.0.1 ipv4.dns 180.76.76.76 配置ens3的IP地址模式为静态及相应的IPV4地址  

[xiaoshuai.zhu@localhost ~]$ nmcli connection modify ens3 ipv4.method atuo #设置为动态获取IP地址  

[xiaoshuai.zhu@localhost ~]$ sudo nmcli connection modify ens3 ipv6.method ignore #禁用IPv6,IPv6下的配置与IPv4使用的差数差不多,只不过将IPv4换成了IPv6  

[xiaoshuai.zhu@localhost ~]$ sudo nmcli connection modify ens3 connection.autoconnect yes #设置连接自动启动  

[xiaoshuai.zhu@localhost ~]$ sudo nmcli connection reload #使配置生效  

[xiaoshuai.zhu@localhost ~]$ sudo nmcli connection add con-name em1 ifname em1 type ethernet #创建名为em1的新连接  

[xiaoshuai.zhu@localhost ~]$ sudo nmcli con del em1 #删除连接  
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