I did 'sudo apt-get remove postgresql-9.3-postgis-2.1', then restarted, then attempted to upgrade from 14.04 to 16.04.1, but face the same issue again.
I did 9.3-postgis- 2.1', then restarted, then attempted to upgrade from 14.04 to 16.04.1, but face the same issue again.
'sudo apt-get remove postgresql-