Table of Contents
crontab -e
00 00 * * * /bin/bash yourpath/mysqlbak.sh
vi /etc/crontab
00 00 * * * root /mysqlbak.sh
/etc/rc.d/init.d/crond restart
service crond restart
Home Database Mysql Tutorial 每日自动备份mysql脚本

每日自动备份mysql脚本

Jun 07, 2016 pm 04:26 PM
mysql backup Script automatic

每天自动备份mysql脚本 定时执行脚本: 1、执行 crontab -e 00 00 * * * /bin/bash yourpath/mysqlbak.sh 2、打开自动执行文件 vi /etc/crontab 在etc中加入如下内容,让其自动执行任务。 00 00 * * * root /mysqlbak.sh 以上两个 00 00 * * * 为每天的凌晨自

每天自动备份mysql脚本

定时执行脚本:
1、执行

crontab -e

00 00 * * * /bin/bash yourpath/mysqlbak.sh

2、打开自动执行文件

vi /etc/crontab

在etc中加入如下内容,让其自动执行任务。

00 00 * * * root /mysqlbak.sh

以上两个 00    00    *    *    *  为每天的凌晨自动执行脚本

分 时 日 月 周 命令

M: 分钟(0-59)。每分钟用*或者 */1表示
H:小时(0-23)。(0表示0点)
D:天(1-31)。
m: 月(1-12)。
d: 一星期内的天(0~6,0为星期天)。

每五分钟执行    */5 * * * * 每小时执行      0 * * * * 每天执行        0 0 * * * 每周执行        0 0 * * 0 每月执行        0 0 1 * * 每年执行        0 0 1 1 * 重启cron

/etc/rc.d/init.d/crond restart

or

service crond restart

详细请看crond的wiki
http://zh.wikipedia.org/wiki/Cron mysqlback.sh #!/bin/bash #功能说明:本功能用于备份数据库 #编写日期:2010/12/06 PATH=/bin:/sbin:/usr/bin:/usr/sbin:/usr/local/bin:/usr/local/sbin:/usr/local/mysql/bin export PATH #数据库用户名 dbuser=’root’ #数据库密码 dbpasswd=’123456′ #数据库名,可以定义多个数据库,中间以空格隔开,如:test test1 test2 dbname=’test1 test2′ #备份时间 backtime=`date +%Y%m%d%H%M%S` #日志备份路径 logpath=’/second/backup’ #数据备份路径 datapath=’/second/backup’ #日志记录头部 echo ‘”备份时间为${backtime},备份数据库表 ${dbname} 开始” >> ${logpath}/mysqllog.log #正式备份数据库 for table in $dbname; do source=`mysqldump -u ${dbuser} -p${dbpasswd} ${table}> ${logpath}/${backtime}.sql` 2>> ${logpath}/mysqllog.log; #备份成功以下操作 if [ "$?" == 0 ];then cd $datapath #为节约硬盘空间,将数据库压缩 tar jcf ${table}${backtime}.tar.bz2 ${backtime}.sql > /dev/null #删除原始文件,只留压缩后文件 rm -f ${datapath}/${backtime}.sql echo “数据库表 ${dbname} 备份成功!!” >> ${logpath}/mysqllog.log else #备份失败则进行以下操作 echo “数据库表 ${dbname} 备份失败!!” >> ${logpath}/mysqllog.log fi done

这里有一篇介绍
MySQL数据库备份的10个教程

http://www.linuxde.net/2012/03/9379.html

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