Re: [R] connecting RMySQL to and external server

From: Adrian Dusa <>
Date: Sat, 15 Dec 2007 19:37:41 +0200

On Saturday 15 December 2007, Prof Brian Ripley wrote:
> On Sat, 15 Dec 2007, Adrian Dusa wrote:
> > Indeed, I noticed the "host" argument but the server demands an username
> > and a password for the machine first,
> But you said 'connect to', not 'log in to', so how were we to know that?
> > and only after that for the MySQL server.
> > Those were the arguments I was looking for.
> > I will study the RODBC package then, if it solves the problem.
> I am afraid I don't understand your setup. MySQL works by listening on
> port 3306: user accounts don't come into that. With our bastion servers
> all such ports are blocked and can only be accessed via tunnels
> (implemented by stunnel). I think you need to discuss this with your
> sysadmins: if it works under mysql or for ODBC (isql) it will work with
> the corresponding R packages.

Of course, most definitely. I usually log in to the external machine using ssh, then access the MySQL server using the MySQL username and password. I probably asked for too much from R, since logging to an external machine needs a secure connection.
I'll talk to our sysadmin for local advice, thanks again.


Adrian Dusa
Romanian Social Data Archive
1, Schitu Magureanu Bd
050025 Bucharest sector 5
Tel./Fax: +40 21 3126618 \
          +40 21 3120210 / int.101

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Received on Sat 15 Dec 2007 - 17:41:05 GMT

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