Ubuntu Network Configuration
debian/ubuntu管理网络连接的有两套方案,右上角的图形化的NetworkManager和配置文件的 ifup/ifdown,如果在 /etc/network/interfaces里设置了网卡信息,那么NetworkManager就不会接管该网卡,如果没有设置配置文件NetworkManager默认是会接管网卡的,但有时可能会出现图形化管理挂掉的情况,图形化管理工具显示设备未托管,出现这种情况可通过设置配置文件的方案拉起网卡。
Modify the configuration file so that the configuration file schema takes effect.
sudo vim /etc/NetworkManager/NetworkManager.conf 将`managed=false`修改成`managed=true`#重启或者source重载下配置文件(两种方法任选)sudo source /etc/NetworkManager/NetworkManager.confsudo reboot
Modifying the network card configuration file
sudo vim /etc/network/interfaces
Change to the following:
有线配置部分 # 自动挂载enp4s0f2网卡 auto enp4s0f2 iface enp4s0f2 inet static # 静态IP address 172.16.168.128 # 网关地址 gateway 172.16.168.1 #拨号上网请把gateway全部设置为0 # 子网掩码 netmask 255.255.255.0#------------------分割线----------------------无线配置部分(是否设置根据需要): auto wlan0 iface wlan0 inet static netmask 255.255.255.0 gateway 192.168.0.1 address 192.168.0.113 pre-up ip link set wlan0 up pre-up iwconfig wlan0 essid ssid wpa-ssid TP-Link # 这里的ssid为路由里设置的无线名称 wpa-psk 12345678 # 无线密码adsl拨号上网(是否设置根据需要): auto dsl-provider iface dsl-provider inet ppp # dsl-provider 为之前配置好的拨号名称 provider dsl-provider
Restart networking
sudo /etc/init.d/networking stopsudo /etc/init.d/networking start
* * Use of restart may not be effective recommended Stop/start * *
Configure DNS
# 默认文件不存在sudo vim /etc/resolvconf/resolv.conf.d/base添加DNS地址nameserver 114.114.114.114
Refresh the configuration file
sudo resolvconf -u
Ubuntu NIC configuration or NIC device unmanaged rescue method