this is the command output lrwxrwxrwx 1 root root 4 Apr 3 2003 /bin/sh -> bash -rwxr-xr-x 1 root root 9468 Sep 5 2002 /usr/bin/pg_ctl -rwxr-xr-x 1 root root 3074760 Sep 5 2002 /usr/bin/postgres lrwxrwxrwx 1 root root 8 Oct 29 2005 /usr/bin/postmaster -> postgres Best, David ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------ On Thu, Sep 14, 2006 at 11:13:43PM +0800, david.lao@xxxxxxxxxxxxxxxx wrote: > I starting my postgres with standard startup script /etc/rc.d/init.d/postgressql I didn't notice anything wrong with the script you posted. What happens if you run the "su" command that starts the postmaster directly from the command line? That is, the "su" on line 151 (you'll have to set the PGDATA environment variable or replace it with the path to your data directory): su -l postgres -s /bin/sh -c "/usr/bin/pg_ctl -D $PGDATA -p /usr/bin/postmaster start What's the output of the following command? ls -l /bin/sh /usr/bin/pg_ctl /usr/bin/postmaster /usr/bin/postgres -- Michael Fuhr