18 lines
415 B
Bash
18 lines
415 B
Bash
#!/bin/bash
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# config section
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date=`date +%Y-%m-%d`
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backup_dir='/mnt/mysql_backup'
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retention=3
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# create backup directory
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mkdir -p $backup_dir
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# database backup
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for DB in $(mysql -e 'show databases' -sN | grep -v 'information_schema\|performance_schema'); do
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mysqldump $DB > "$backup_dir/$date.$DB.sql";
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done
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# delete old backups
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find $backup_dir -type f -mtime +$retention -name '*.sql' -execdir rm -- '{}' \;
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