nmcli

nmcli

简介

nmcli是NetworkManager的命令行工具

在使用nmcli时，NetworkManager必须保持开启

NetworkManager

# 相关命令
systemctl status NetworkManager    # 查看运行状态
systemctl start  NetworkManager    # 启动
systemctl restart NetworkManager   # 重启
systemctl stop    NetworkManager   # 关闭
systemctl is-enabled NetworkManager # 查看是否开机启动
systemctl enable NetworkManager     # 开机启动
systemctl disable NetworkManager    # 禁止开机启动

nmcli示例

# 显示系统网络状态
nmcli general status 
STATE   CONNECTIVITY  WIFI-HW  WIFI    WWAN-HW  WWAN   
已连接  完全          已启用   已启用  已启用   已启用

# 显示主机名
nmcli general hostname 
python


# 显示所有网卡连接信息
nmcli connection show
NAME  UUID                                  TYPE      DEVICE 
eth0  0040795d-ed99-4e09-9c88-56927797785b  ethernet  eth0 


# 显示某个网卡详细信息
nmcli connection show eth0

# 配置eth0 静态配置 IP地址 网关  dns 开机自启 
nmcli connection modify eth0 ipv4.method manual ipv4.addresses 192.168.150.12/24 ipv4.gateway 192.168.150.1 ipv4.dns 114.114.114.114 connection.autoconnect yes


# 删除网卡
nmcli connection delete eth0

# 添加网卡，ifname对应NAME,con-name对应DEVICE
nmcli connection add con-name eth0 ifname eth0 type ethernet


# 显示所有网络接口设备的状态
nmcli device status


# 启动某个网卡
nmcli connection up  eth0

# 断开设备
nmcli connection down eth0


# 创建网桥
nmcli connection add type bridge con-name br0 ifname br0 autoconnect yes

# 查看br0的状态
nmcli device status

# 将我们本地的有线网卡enp8s0连接到br0
nmcli connection add type bridge-slave ifname enp8s0 master br0

# 启动br0
nmcli connection up br0