一个shell for循环与case结合的脚本(监控程序状态)

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