Answer by jscheponik for I have OpenStack Havanna installed in Ubuntu 12.04 Server and I want to start or stop OpenStack services manually through command-line? I have searched but there is no tutorial where I see such things. Can anyone help me?

sudo service xxxx stop sudo service xxxx start where xxxx is the name of a running service http://docs.openstack.org/trunk/install-guide/install/apt/content/ should have most of the services you need to stop and start listed in the sections around the installation of each piece.