Use Crontab to regularly back up MySQL database for Linux

Source: Internet
Author: User
Tags mysql database backup linux

Use the system crontab to execute the backup file regularly, save the backup result by date, and achieve the purpose of backup.

1, create the path to save the backup file/mysqldata

#mkdir/mysqldata

2. Create/usr/sbin/bakmysql files

#vi/usr/sbin/bakmysql

Input

rq= ' Date +%y%m%d '

Tar Zcvf/mysqldata/mysql$rq.tar.gz/var/lib/mysql

or write

rq= ' Date +%y%m%d '

mysqldump--all-databases-u root-p Password >/mysqldata/mysql$rq.sql

/var/lib/mysql is the directory of your database files, some users are/usr/local/mysql/data, everyone may be different

/mysqldata/represents the directory where the backup files are saved, and everyone can do it according to their own requirements.

3, modify the file properties to make it executable

# chmod +x/usr/sbin/bakmysql

4. Modify/etc/crontab

#vi/etc/crontab

Add the following

3 * * * root/usr/sbin/bakmysql

Indicates a backup is performed 3 o'clock daily

5. Reboot Crond

#/etc/rc.d/init.d/crond Restart

Complete.

So every day you can see a file like this in/mysqldata.

Mysql20040619.tar.gz

You can download it directly.

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