[GRASSLIST:218] Postgresql connectivity

[Uttam Kumar]

hi,
   I am currently working on Linux 7.1 platform with GRASS 5.0.0 environment 
and Postgresql as database. I have created my login and password.GRASS is 
working fine.When I want to work on database, I login as root (su and 
password) in the GRASS prompt and then type the following line :
/home/vaish/bin/postmaster -i -p 5432 -D /home/vaish/psqldata >logfile 2>&1 
&
where postmaster is in /home/vaish/bin directory and psqldatabase is in 
/home/vaish directory (in my system).
After executing the above line, I exit the root (through Ctrl-D) and try to 
access a database by the command g.select.pg.
By executing the command "g.select.pg database=test"  (for example taking 
'test' as a database). I get the following error:

Error: select Postgres:could not connect to server:Connection refused
       IS the server runningon host localhost and accepting
       TCP/IP connections on port 5432?
Although g.select.pg -l is working fine and is displaying all the databases 
in the  UNIX catalogue.

What is this error ?
Can anybody help ?

uttam.

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