Milling Machine Troubleshoot

– Setup:

Since we moved the computers around (blame MakerFaire!), we needed to change permissions on the machine connected to the Modela by going into


and we did a

sudo chmod 777 ttyS0

We had sent several jobs to the Modela and to kill it, we did a

ps -a | grep cat

to search for the process (it’s called cat!) and then kill it.

Another thing was to double-check if move was green in the


So, again, do a chmod to change the permissions:

sudo chmod 777 move

and do a

ls -l move