Postgres database is not running after OSX crash
 Every one might have face the problem that Postgres id not running after OSX is crashed. Every time you try to start the Postgres server it will say : -   another server might be running; trying to start server anyway   You can follow the below steps to get rid of the problem.   Step 1: Open your terminal and run    pg_ctl -D /usr/local/var/postgres -l /usr/local/var/postgres/server.log start    It will Say    pg_ctl: another server might be running; trying to start server anyway   Step 2:  Check the log  $ tail -f /usr/local/var/postgres/server.log  It will print something like this   FATAL:  lock file "postmaster.pid" already exists  HINT:  Is another postmaster (PID 326) running in data directory "/usr/local/var/postgres"?  FATAL:  lock file "postmaster.pid" already exists  HINT:  Is another postmaster (PID 326) running in data directory "/usr/local/var/postgres"?   Step 3: Delete the PID file.  $ rm /usr/local/var/postgres/postmaste...