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一个shell for循环与case结合的脚本(监控程序状态)

程序员文章站 2023-01-08 21:36:21
核心代码: 复制代码 代码如下:#/bin/bashset -xhosts="nginx mysql php-cgi"for myhost in $hosts ...

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