Operation and Maintenance
Linux Operation and Maintenance
How to use MySQL automatic backup script under Linux server
How to use MySQL automatic backup script under Linux server
Problem Description
How to automatically back up MySQL deployed in the ECS Linux system.
Solution
The MySQL service is built in the ECS Linux system. Users can use the following script to implement regular automatic backup of MySQL.
The usage method is as follows:
1. Copy the following script to the local, upload to the server, and the name is "autoback.sh"
#!/bin/bash #-----------------------------------------------# #This is a free GNU GPL version 3.0 or abover #Copyright (C) 2008 06 05 #mysql_backup Dedicated copyright by My #-----------------------------------------------# echo -e [`date +"%Y-%m-%d %H:%M:%S"`] start #system time time=`date +"%y-%m-%d"` #host IP host="127.0.0.1" #database backup user user="root" #database password passwd="yourpasswd" #Create a backup directory mkdir -p /backup/db/"$time" #list database name all_database=`/usr/bin/mysql -u$user -p$passwd -Bse 'show databases'` #in the table from the database backup for i in $all_database do /usr/bin/mysqldump -u$user -p$passwd $i > /backup/db/"$time"/"$i"_"$time".sql done echo -e [`date +"%Y-%m-%d %H:%M:%S"`] end exit 0
The database name and database password in the script are based on the database information that the user needs to back up and need to be modified by the user.
2. Run crontab -e and write the following content:
30 5 * * * root sh /root/autobackup.sh >/dev/null 2>&1
Save Exit, and then the database will be automatically backed up at 5:30 every morning. .
Note: Backup will occupy disk space, clean up unnecessary data or expand disk space in time.
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