配置ip

1. 设置静态IP地址为 192.168.4.88/255.255.255.0 并启动网络
2. 截取/etc/hosts文件内的ip地址
3. 过滤静态IP地址192.168.4.88
4. 判断静态IP地址与hosts文件内的IP地址，如果匹配则输出 hello world 否则将输出 Error !! 
#!/bin/bash
##guying
sed -e 's/BOOTPROTO=dhcp/BOOTPROTO=static/g' /etc/sysconfig/network-scripts/ifcfg-eth0  >/home/ifcfg-eth0
echo "IPADDR=192.168.4.88" >>/home/ifcfg-eth0
echo "NETMASK=255.255.255.0" >>/home/ifcfg-eth0
cp /home/ifcfg-eth0 /etc/sysconfig/network-scripts/ifcfg-eth0
service network restart
host=`awk   '{print $1}' /etc/hosts |grep ^192`
ip=`ifconfig eth0 |grep 'inet addr' |awk -F '[ :]+'  '{print $4}'
`  
if [ $host == $ip ]; then
echo hello world 
else
echo  Error !! 
fi