linux 定时备份数据库文件
#!/bin/sh
backupdir=/home/myBak
time=` date +%Y%m%d%H`
mysqldump -uroot -proot myNote | gzip > $backupdir/myNote$time.sql.gz
find $backupdir -name "myNote*.sql.gz" -type f -mtime +5 -exec rm {} \; > /dev/null 2>&1加入到定时任务里
0 0 * * * /home/exportNoteSql.sh >> /home/exportNoteSql.log