脚本主要实现了网络检测和简单的主从状态检测，发现状态异常即发送邮件报警，在手机上安装一个易信可实现实时联动，及时获取服务器状态信息，脚本虽简单却实用。
#!/bin/bash
##author:jerry_jiang
mail_addr="username@163.com"br/>mail_addr2="username@163.com"
ping 192.168.33.19 -c1 >/dev/null
sping1=echo $?
ping 192.168.33.20 -c1 >/dev/null
sping2=echo $?
if [ $sping1 == 0 ]; then
status19=mysql -uuser -ppassword -h192.168.33.19 -P33060 -e "show slave status\G;"|grep Yes|wc -l
[ $status19 != 2 ] && echo "Master and slave error,Check it,Server IP:192.168.17.19"|mailx -v -s "master and slave warnning" $mail_addr
[ $status19 != 2 ] && echo "Master and slave error,Check it,Server IP:192.168.17.19"|mailx -v -s "master and slave warnning" $mail_addr2
else
echo "Check network,OA Server IP:192.168.17.19"|mailx -v -s "net warnning" $mail_addr
echo "Check network,OA Server IP:192.168.17.19"|mailx -v -s "net warnning" $mail_addr2
fi
if [ $sping2 == 0 ]; then
status20=mysql -uuser -ppassword -h192.168.33.20 -P33060 -e "show slave status\G;"|grep Yes|wc -l
[ $status20 != 2 ] && echo "Master and slave error,Check it,Server IP:192.168.17.20"|mailx -v -s "master and slave warnning" $mail_addr
[ $status20 != 2 ] && echo "Master and slave error,Check it,Server IP:192.168.17.20"|mailx -v -s "master and slave warnning" $mail_addr2
else
echo "Check network,OA Server IP:192.168.17.20"|mailx -v -s "net warnning" $mail_addr
echo "Check network,OA Server IP:192.168.17.20"|mailx -v -s "net warnning" $mail_addr2
fi
一分钟教你快速建立起MySQL/Mariadb 主从状态检测脚本（shell)
原文：http://blog.51cto.com/jdonghong/2287109
