[BUGS] sudoers file??

[Vivek]

I am trying to connect to postgreSQL through PHP. I am 
facing lots of problems. Itried to configure postgreSQL 
for the above purpose.I tried the following command to set 
PGALLOWTCPIP=yes

sudo vi /etc/postgresql/postmaster.init

It says : postgres is not in sudoers file.
What does it mean?
Can I get some tips on how to use pg_connect in PHP. I 
tried every option in this but its not working.

Looking forward for some tips from your side.
Thanking you.
Vivek C. Shidhore
email: [EMAIL PROTECTED]
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TIP 4: Don't 'kill -9' the postmaster