title: How to start Postgres server?
body: <p>Ive actually had this problem for a while but I've finally decided to take it on. Postgres was initially installed using Brew. </p>
  
  <p>After my upgrade to OSX 10.8.2 to receive a</p>
  
  <pre><code>psql: could not connect to server: No such file or directory
      Is the server running locally and accepting
      connections on Unix domain socket "/tmp/.s.PGSQL.5432"?
  </code></pre>
  
  <p>error when I typed the </p>
  
  <pre><code>$ psql
  </code></pre>
  
  <p>command. </p>
  
  <p>I see the following processes:</p>
  
  <pre><code>$ ps auxw | grep post
  Tulsa           59222   0.0  0.2  2483256  14808   ??  Ss   Thu03PM   0:02.61 /System/Library/PrivateFrameworks/DiskImages.framework/Resources/diskimages-helper -uuid 470DA5CC-1602-4D69-855F-F365A6512F90 -post-exec 4
  Tulsa           57940   0.0  0.2  2498852  13648   ??  Ss   Wed10PM   0:00.61 /System/Library/PrivateFrameworks/DiskImages.framework/Resources/diskimages-helper -uuid FAFAAAB4-0F67-42C8-864E-EF8C31A42EE3 -post-exec 4
  root            24447   0.0  0.1  2476468  10080   ??  Ss    8Feb13   0:03.40 /System/Library/PrivateFrameworks/DiskImages.framework/Resources/diskimages-helper -uuid CC768720-12C2-436C-9020-548C275A6B0C -post-exec 4
  Tulsa           74224   0.0  0.0  2432768    596 s002  R+    7:24PM   0:00.00 grep post
  
  
  $ which psql
  /usr/local/bin/psql
  
  $ pg_ctl start 
  pg_ctl: no database directory specified and environment variable PGDATA unset
  Try "pg_ctl --help" for more information. 
  </code></pre>