From: | "Nigel J(dot) Andrews" <nandrews(at)investsystems(dot)co(dot)uk> |
---|---|
To: | Gregory Stone <guomo(at)yahoo(dot)com> |
Cc: | pgsql-general(at)postgresql(dot)org |
Subject: | Re: forking postmaster on my own - not as pguser |
Date: | 2004-01-05 19:00:10 |
Message-ID: | Pine.LNX.4.21.0401051855510.8504-100000@ponder.fairway2k.co.uk |
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Lists: | pgsql-general |
On Mon, 5 Jan 2004, Gregory Stone wrote:
> I have a need to run postgres only when my Java application is running.
> Basically I want to do a Runtime.exec() from java in order to start up the
> DB server. Is there any reason why this should present a problem? My
> init.d script is su-ing to the pguser before launching pg_ctl with all the
> various params. Can I just emulate this, but not su to the pguser account
> but use the exisitng user logon? Also, besides standard unix safety rules
> about limited access accounts and all, is there any reason I HAVE to be
> the pguser to start up postgres?
No need to be the pguser user at all. Any user of the system can run a postgres
cluster. Note, that is a postgres cluster, i.e. if you're trying to start
postgres to look at databases in a cluster that was built by a different user
then it isn't going to work.
So in summary, what you want to do is something like:
initdb -D /home/myuser/data blah blah blah
pg_ctl -D /home/myuser/data blah blah blah
createdb -D /home/myuser/data blah blah blah
all the other stuff to build your DBs and then you just need to fork and exec
as myuser in your application.
--
Nigel Andrews
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