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前几篇博客已经相继公开了去转盘网的所有技术细节，如下：
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js分页部分代码
这篇博客我将继续公开数据库自动备份的代码。可以这么说，没有数据库，一切就是个蛋，没有数据库备份，一切还是个蛋，你可以想象数据库备份多么重要。不会linux，不会写shell的朋友麻烦先去补补。不过你说我牛逼，不补也能看懂，那没问题，哈哈，废话不说了。老规矩，上代码：
#!/bin/bash time=$(date +"%d-%m-%Y") pre=/home/ubuntu #想放到那里麻烦自己配置下哈 if [ ! -d "$pre/data_backup/$time" ] then mkdir -p $pre/data_backup/$time echo "create $pre/data_backup/$time" else echo "exist $pre/data_backup/$time" fi if [ -d "$pre/data_backup/$time" ] then MySQLdump -h20.66.102.75 -uroot -p123456 --opt winrun user > $pre/data_backup/$time/user.sql mysqldump -h20.66.102.75 -uroot -p123456--opt winrun CategoryInfo > $pre/data_backup/$time/CategoryInfo.sql mysqldump -h20.66.102.75 -uroot -p123456 --opt winrun admin_info > $pre/data_backup/$time/admin_info.sql mysqldump -h20.66.102.75 -uroot -p123456 --opt winrun admin_loginfo > $pre/data_backup/$time/admin_loginfo.sql mysqldump -h20.66.102.75 -uroot -p123456 --opt winrun admin_notice_info > $pre/data_backup/$time/admin_notice_info.sql mysqldump -h20.66.102.75 -uroot -p123456--opt winrun advertising_info > $pre/data_backup/$time/advertising_info.sql mysqldump -h20.66.102.75 -uroot -p123456--opt winrun ajax_request_info > $pre/data_backup/$time/ajax_request_info.sql mysqldump -h20.66.102.75 -uroot -p123456 --opt winrun bt_file_info > $pre/data_backup/$time/bt_file_info.sql echo "backup finished" cd $pre/data_backup #enter dir zip -r $time.zip $time/ rm -fr $time #delete cd - echo "zip backup database finished" else echo "can not find backup file" fi
注意，我的密码我已经改了，这个不能告诉你们，所以喜欢copy的孩子麻烦自己该密码。下面我教大家玩下crotab，代码如下：
# Edit this file to introduce tasks to be run by cron. # # Each task to run has to be defined through a single line # indicating with different fields when the task will be run # and what command to run for the task # # To define the time you can provide concrete values for # minute (m), hour (h), day of month (dom), month (mon), # and day of week (dow) or use '*' in these fields (for 'any').# # Notice that tasks will be started based on the cron's system # daemon's notion of time and timezones. # # Output of the crontab jobs (including errors) is sent through # email to the user the crontab file belongs to (unless redirected). # # For example, you can run a backup of all your user accounts # at 5 a.m every week with: # 0 5 * * 1 tar -zcf /var/backups/home.tgz /home/ # # For more information see the manual pages of crontab(5) and cron(8) # # m h dom mon dow command 10 1 * * 1,3,5 /home/backup.sh >> /home/backup.log
有用的是最下面的这一句，看到没有，备份完了还得有个log，不然谁知道备份成什么样子了，一点都不懂crontab麻烦自己百度下，我也一时给你讲不明白。
上面是备份的结果，注意，备份完了之后是压缩包的形式，所以请你先安装压缩工具，apt-get install XXXX 不会的还是麻烦百度下，实在简单成狗了。
技术在于分享，开源，去转盘不吝啬任何技术，欢迎关注微博或者微信，随时交流。
