#!/bin/bash

# Name:bakmysql.sh

# This is a ShellScript For Auto DB Backup and Delete old Backup

#备份地址

backupdir=/data/mysql/dwy/mysqlbackup;

#备份文件后缀时间

time=_` date +%Y_%m_%d_%H_%M_%S`

#需要备份的数据库名称

db_name=database

#mysql 用户名

db_user=root

#mysql 密码

db_pass=password

/usr/local/mysql/bin/mysqldump -u$db_user -p$db_pass $db_name|gzip>$backupdir/$db_name$time.sql.gz

#删除7天前备份文件

find $backupdir -name "$backupdir_*.sql.gz" -type f -mtime +7 -exec rm -rf {} \; > /dev/null 2>&1

chmod +x backupmysql.sh

# 输入如下命令：

crontab -e

# 在页面中编写如下内容：

00 03 * * * /root/backupmysql.sh