i want to make multi node cluster for mesos for that i have to install mesosphere on master node.so that I am tring to install mesosphere on ubantu 16.4. aftre generating keys and updating repositories when i tried to install mesosphere it gave me an error: sudo apt-get install mesosphere
output: Reading package lists... Done Building dependency tree Reading state information... Done E: Unable to locate package mesosphere
is there any solution for this or any other links or videos through which i can build multinode cluster for mesos/mesosphere.