核心代码：

复制代码 代码如下:

#/bin/bash

set -x

HOSTS="nginx mysql php-cgi"

for myhost in $HOSTS

do

count=(`ps aux |grep $myhost |grep -v grep |wc -l`)

echo "$myhost"

echo "$count"

if [ $count -eq 0 ]; then

case $myhost in

nginx)

cd /usr/local/webserver/nginx/sbin/

./nginx

echo "nginx has be down"

sleep 5

mysql)

/etc/init.d/mysqld start

echo "mysql has be down"

*)

echo "what‘s the hell?"

esac

fi

done

set +x