更换ip的shell代码

ubuntu:
#!/bin/bash
echo "ipaddr:"
read line
echo $line
sed "s/address.*$/address=${line}/g" /etc/network/interfaces

centos(未测试):
#!/bin/bash
echo "ipaddr:"
read line
echo $line
sed "s/IPADDR.*$/IPADDR=${line}/g" /etc/sysconfig/network-scipts/ifcfg-eth0