Yeah, you probably have no ident server.

afoken's advice is good (but careful: his URLs point to 9.0, which is slightly different). A few extra remarks:

Server restart can be avoided with: 

   select pg_reload_conf(); -- returns true on success

[download]

or, on the commandline: pg_ctl reload ...

Maybe not necessary now, but further down the road you may find it handy to organise access (permanently or temporary) via the ~/.pgpass file, and/or the PGPASSFILE environment variable, which you can have pointing to any .pgpass-like file. More info here;

Finally, read the Pg manual caveat on 'ident': 

Heed the warning:
     
The Identification Protocol is not intended as
an authorization or access control protocol.
     
--RFC 1413

[download]

In reply to Re^5: Trouble Connecting to PostgreSQL with DBD::Pg by erix
in thread Trouble Connecting to PostgreSQL with DBD::Pg by vendion

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