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  • MySQL备份的shell脚本

        经过测试该脚本可以远程备份,但需要配置远程登录用户的权限,经过测试啊,在把这个脚本添加到计划任务的时候是无法识别mysql命令的(即使是将mysql添加到环境变量也无法识别,是因为/etc/crontab这个配置文件中的环境变量的问题,将MySQL的环境变量添加进去就可以了),所以添加到定时任务中的时候需要给命令绝对路径

    #!/bin/bash  
    # Shell script to backup MySql database   
    # Author:fansik
    # Date 2016-6-23
    
    # Database info   
    dbuser="root"
    dbpasswd="hzsite"
    host="127.0.0.1"
    port="3306"
    
    #backup dir
    if [ ! -d /backup ]; then
        mkdir /backup
    fi
    backupdir=/backup
    
    #datetime  
    datetime="$(date +"%Y-%m-%d")"
    
    # Database list 
    dblist="$(/usr/local/mysql/bin/mysql -u$dbuser -p$dbpasswd -h$host -P$port  -Bse 'show databases')"
    
    # use for cycle backup ervery database   
    for dbname in $dblist
    do
        /usr/local/mysql/bin/mysqldump -u$dbuser -p$dbpasswd -h$host -P$port $dbname > $backupdir/$dbname.sql
    done
    
    # pack files for backup
    cd $backupdir
    tar zcvf $datetime.tar.gz *.sql --remove-files
    
    # delete 30days ago files
    find $backupdir -mtime +30 -name "*.tar.gz" -exec rm -rf {} ;
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  • 原文地址:https://www.cnblogs.com/fansik/p/5610283.html
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