E: Unable to locate package ros-diamondback-nxtall - installing on ubuntu 16.04 possible?

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I am attempting to install ROS for NXT Diamondback on my Ubuntu 16.04. Is this even possible?

I am going through the following steps: http://wiki.ros.org/Robots/NXT/diamon...

However, I encounter the following issues:

daniel@beepboop:~/Downloads$ sudo restart udev
restart: Unable to connect to Upstart: Failed to connect to socket /com/ubuntu/upstart: Connection refused

when I get to that stage. I rebooted my computer instead.

For step 1.4, I did the following instead:

sudo sh -c 'echo "deb http://packages.ros.org/ros/ubuntu xenial main" > /etc/apt/sources.list.d/ros-latest.list'

which appeared to work.

When I get to step 1.6, apt-get cannot find the package:

daniel@beepboop:~/Downloads$ sudo apt-get install ros-diamondback-nxtall
Reading package lists... Done
Building dependency tree       
Reading state information... Done
E: Unable to locate package ros-diamondback-nxtall

Do I have any options here other than installing another version of ROS?