linux配置dns

• 修改网卡文件eth1(此处我的是eth1)

echo 'DNS1="114.114.114.114" ' >> /etc/sysconfig/network-scripts/ifcfg-eth1

• 修改主机表文件/etc/hosts

echo "223.231.234.33 www.baidu.com" >> /etc/hosts 

• 修改域名服务器文件/etc/resolv.conf

echo 'nameserver 114.114.114.114' >> /etc/resolv.conf