检查mysql是否启动

#!/bin/bash
#mysql check
PORT="0"

PORT=`netstat -lnt | grep 3306 | wc -l `

echo $PORT
if [ $PORT -eq 1 ]
then
echo "mysql is running"
else
echo "mysql is not running"
echo "progrome reeady to start mysql "

sudo service mysql start
./check_mysql.sh
fi