数据库定时备份

# Name:backup.sh
# This is a ShellScript For Auto DB Backup and Delete old Backup

#备份地址
backupdir=/data/backup

#备份文件后缀时间
time=_` date +%Y_%m_%d_%H_%M_%S `

#需要备份的数据库名称
db_name=

#mysql 用户名
#db_user=
#mysql 密码
#db_pass=

#mysqldump命令使用绝对路径
/usr/local/mysql/bin/mysqldump $db_name | gzip > $backupdir/$db_name$time.sql.gz

#删除7天之前的备份文件
find $backupdir -name $db_name"*.sql.gz" -type f -mtime +7 -exec rm -rf {} \; > /dev/null 2>&1

0 04 * * * /bin/sh /usr/local/shell/backup.sh >> /data/wwwlogs/backup.log