在 Linux 上定时备份 MySQL 数据库，并发送备份到邮件

mysql_back.sh

#!/bin/sh

#this is the prefix before the filename and can be anything you want
fileprefix='mysql_backup_';

#this is your mysql user - best to create a new mysql user called backup that has access to all databases
myuser='backup';

#your mysql password
mypass='s0mething$ecure123';

#the backup directory that you should put at the root, not public_html
#chmod 644 the backup folder and leave the trailing slash
backupdir='/home/{typically your main cpanel account here without brackets}/backup/';

#more emails can be added by using a , to separate
emailto='test@test.com';

#subject of the email
emailsubject='mysql backup';

#body of the email
emailbody='mysql db backup attached';

#shouldn't need to change below this
date=`date '+%Y-%m-%d'`;
file=$fileprefix$date.gz;

mysqldump -u$myuser -p$mypass --all-databases | gzip > $backupdir$file;
find $backupdir -name "$fileprefix*"  -mtime +7 -type f -exec rm -rf {} ;
echo $emailbody | mutt -s "$emailsubject" -a $backupdir$file "$emailto";