https://community.cloudera.com/t5/Support-Questions/Unable-to-determine-server-PID/m-p/176305#M138557 <P>Is postgres started? if you su to user postgres then do 'psql' and '\l' to list databases do you get an error?</P> Sun, 29 Oct 2017 18:14:26 GMT awhitter 2017-10-29T18:14:26Z