Установка под Debian: http://software.opensuse.org/download/package?project=isv:ownCloud:community&package=owncloud

For Debian 7.0 run the following as root:

echo 'deb http://download.opensuse.org/repositories/isv:/ownCloud:/community/Debian_7.0/ /' >> /etc/apt/sources.list.d/owncloud.list 
apt-get update
apt-get install owncloud

Директория с данными /var/www/owncloud/data

Заходить на http://owncloud-ip/owncloud