1、ifconfig查看网络参数
2、/etc/network/interfaces 网络配置文件 ip、netmask、gateway
auto eth0
iface eth0 inet static
address xxx.xxx.xxx.xxx #IP地址
netmask xxx.xxx.xxx.xxx #子网掩码
gateway xxx.xxx.xxx.xxx #网关
sudo /etc/init.d/networking restart
ifdown eth0; ifup eth0;
3、 dhclient 重新DHCP
4、 /etc/resolv.conf 配置DNS
nameserverxxx.xxx.xxx.xxx
5、networkmanager
5.1 nm-tool 检查网络托管状态
若 State: unmanaged
5.2 /etc/NetworkManager/NetworkManager.conf 配置文件 managed=true/false
5.3 sudo servicenetwork-manager start
sudo servicenetwork-manager stop
sudo servicenetwork-manager restart