Unable to resolve hostname with RPi Draws

Bob Orrett <boborrett@...>

I think I screwed up during installation of draws beta 6. At one point I was asked for a hostname. So I made one up and entered "bobspi". Now I am often getting

     "sudo: unable to resolve host bobspi"

when I enter commands in the terminal. 
I am not sure what problems this may be causing but I have been unsuccessful  at getting gpsd to set my system time after a reboot and this host name problem may be the cause. I dont know.
Do I need to fix this? 
How do I fix this?

Bob ve3obo, newbie to RPi and linux

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