Un script de backup des bases mysql simple :

il est prévu pour fonctionner sur debian.

#!/bin/bash
# Name : backup_mysql.sh
# Author : @Markhor75 
# Last Mod : 2014 08 27
# Backup all MySQL databases

DESTINATION="/home/backup/mysql"
RETENTIONDAYS="2"

MYSQLUSER=`cat /etc/mysql/debian.cnf |grep -m 1 user |awk '{print $3}'`
MYSQLPASS=`cat /etc/mysql/debian.cnf |grep -m 1 password |awk '{print $3}'`
DATE="$(date +"%Y%m%d_%H%M")"

mysqldump --user=$MYSQLUSER --password=$MYSQLPASS --events --all-databases |bzip2 >$DESTINATION"/"$DATE""_mysql_""$HOSTNAME""_db.bz2
find $DESTINATION -maxdepth 1 -ctime +$RETENTIONDAYS -type f -exec rm {} \;