title: Linux: How to install DBD::Pg module?
body: <p>Postgres DB is already installed. I'm not using system perl I have installed another perl in "/srv/data203806/Migration/CPAN/localperl/bin". When I'm trying to install, It is asking for PATH TO pg_config:</p>
  
  <pre><code>[root1@frmrszvwb023 bin]# ./cpan install DBD::Pg
  Reading '/root/.cpan/Metadata'
    Database was generated on Fri, 07 Mar 2014 03:53:02 GMT
  Running install for module 'DBD::Pg'
  Running make for T/TU/TURNSTEP/DBD-Pg-3.0.0.tar.gz
  Checksum for /root/.cpan/sources/authors/id/T/TU/TURNSTEP/DBD-Pg-3.0.0.tar.gz ok
  
    CPAN.pm: Building T/TU/TURNSTEP/DBD-Pg-3.0.0.tar.gz
  
      Configuring DBD::Pg 3.0.0
      Path to pg_config?
      No POSTGRES_HOME defined, cannot find automatically
      Warning: No success on command[/srv/data203806/MUXmh-Migration/CPAN/localperl/bin/perl Makefile.PL]
      'YAML' not installed, will not store persistent state
        TURNSTEP/DBD-Pg-3.0.0.tar.gz
        /srv/data203806/MUXmh-Migration/CPAN/localperl/bin/perl Makefile.PL -- NOT OK
      Running make test
        Make had some problems, won't test
      Running make install
        Make had some problems, won't install
      Could not read metadata file. Falling back to other methods to determine prerequisites
  </code></pre>
  
  <p>Please help me to install DBD::Pg? How to get path to pg_config?</p>