ubuntu系统修改IP地址：sudo gedit /etc/network/interfacesauto eth0 //eth0表示自己所用的网络iface eth0 inet staticaddress 192.168.1.100netmask 255.255.255.0gateway 192.168.1.1
ubuntu系统修改DNS： sudo gedit /etc/resolv.confnameserver 202.194.15.12
使网络生效：sudo /etc/init.d/networking restartUbuntu8.04虚拟机更换host主机后开机无法加载网卡,提示:No such device 删除缓存文件，重启后解决。 sudo rm /etc/udev/rules.d/70-persistent-net.rules reboot
