数据库增量备份：
建目录：/usr/local/mysql/log/ 可读可写可执行！！
开启以下：
[mysqld]
log-bin=/usr/local/mysql/log/mysql-bin.log
#日志保存7天后自动删除
expire_logs_day=7

以root用户，添加和执行crontab定时任务：

#花卉宝 每周执行脚本
#0 1 * * 0 /opt/shell/week.sh 1>> /opt/shell/log/week_info_$(date +\%Y\%m\%d).txt 2>> /opt/shell/log/week_err_$(date +\%Y\%m\%d).txt
#花卉宝 每天执行脚本
#0 1 * * * /opt/shell/day.sh 1>> /opt/shell/log/day_info_$(date +\%Y\%m\%d).txt 2>> /opt/shell/log/day_err_$(date +\%Y\%m\%d).txt