Linux下网站备份脚本

#!/bin/bash
#backup database

mypw=CactiEZ
newtime=$(date +%Y%m%d)
if [ -d /var/www/backup/ ];then
mysqldump -u root -p$mypw DB > /var/www/backup/$newtime-Database.sql
else
mkdir /var/www/backup/
mysqldump -u root -p$mypw DB > /var/www/backup/$newtime-Database.sql
fi

tar -zcvf /var/www/backup/$newtime-www.tar.gz /var/www/

find /var/www/backup/ -mtime +4 -exec rm -rf {} \;