Create RamDisk & sync it

	mkdir /ramdisk
	mount -t tmpfs -o size=2048M tmpfs /ramdisk

	or copy inside /etc/fstab
	tmpfs /media/ramdisk tmpfs rw,size=2048M 0 0

	And do :
	mount -a

	#!/bin/sh

	cp -ar /var/www/html/ /ramdisk/
	chown -R www-data /ramdisk/html
	while true
	do
	rsync -a –delete /ramdisk/html /var/www/
	#chown -R www-data /ramdisk/html
	sleep 300;
	done