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I cannot restart the postgres server on Mac OS X. How can I fix this?

Tried two ways:

pg_ctl restart returns:

pg_ctl: PID file "usr/local/var/postgres:/postmaster.pid" does not exist
Is server running?
starting server anyway
pg_ctl: could not read file "usr/local/var/postgres:/postmaster.opts"

The server does not restart

pg_ctl -D /usr/local/var/postgres restart results in:

   pg_ctl: PID file "/usr/local/var/postgres/postmaster.pid" does not exist
   Is server running?
   starting server anyway
   server starting
   LOG:  could not bind IPv4 socket: Address already in use
   HINT:  Is another postmaster already running on port 5432? If not, wait a few seconds and retry.
   LOG:  could not bind IPv6 socket: Address already in use
   HINT:  Is another postmaster already running on port 5432? If not, wait a few seconds and retry.
   WARNING:  could not create listen socket for "*"
   FATAL:  could not create any TCP/IP sockets
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  • OMG .. yet another one... stackoverflow.com/a/8482546/905902 Commented Oct 2, 2013 at 21:21
  • 2
    Check for bogey running processes with ps aux | grep postgres, kill them and then try starting your server Commented Oct 2, 2013 at 21:24

1 Answer 1

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13

1 - Your data directory might be wrong. Make sure you use the right path.

2 - If you install more than one postgres, you need to specify which pg_ctl to use.

I installed postgres 9.2 manually, here's how I start it:

/Library/PostgreSQL/9.2/bin/pg_ctl -D /Library/PostgreSQL/9.2/data start

I installed postgres 9.1 via HomeBrew, here's how it gets started:

/usr/local/Cellar/postgresql/9.1.5/bin/pg_ctl -D /usr/local/var/postgres-9.1.5 start
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But it needs postgresql user permission to run the first command [if install manually]

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