Install davfs2:
apt-get install davfs2
Mounting webdav:
mkdir /mnt/owncloud/
mount -t davfs http://mydomain.fr/owncloud/remote.php/webdav/ /mnt/owncloud/
mount -t davfs http://mydomain.fr/owncloud/remote.php/webdav/ /mnt/owncloud/
Over.
Unmount:
umount /mnt/owncloud/
Register your password / remove password prompt:
echo "http://mydomain.fr/owncloud/remote.php/webdav/ username password" >> /etc/davfs2/secrets
Download owncloud: https://owncloud.org/