搭建nfs服务的shell script

#!/bin/bash
#Shell name: conf_nfs.sh
#
#Program:
# configer nsf
#Author:pero
#Email: perofu.com@gmail.com
#History:
# 2012/7/24
#
#Usage: vi conf_nfs.sh :set ff=unix
#
#If you have any opinion please contact me

PATH=/bin:/sbin:/usr/bin:/usr/sbin:/usr/local/bin:/usr/local/sbin:.
export PATH

soft=$(rpm -qa |grep nfs |wc -l)

if [ $UID -ne 0 ]
then
echo "Runing as root"
exit 77
fi

read -p "Please input a real dir in you system to share:" dir
read -p "Please input a subnet like (10.0.0.0/24) to share with net:" net

if [ ! -d $dir ]
then
echo "dir not found"
exit 77
fi

if [ $soft -lt 2 ]
then
yum install nfs-utils-* -y
fi

file=/etc/exports

if [ -f $file ]
then
echo "$dir $net(ro,sync)" >> $file
else
touch $file
echo "$dir $net(ro,sync)" >> $file
fi

/etc/init.d/nfs restart &> /dev/null

if [ $? -eq 0 ]
then
echo "nfs service is start..."
exportfs -v
else
echo "Please check are you $net right? "
exit 77
fi