Can FAQ 6.10 please be fixed?
Jens Dreger
jens.dreger at physik.fu-berlin.de
Thu Nov 8 15:05:19 CET 2007
On Thu, Nov 08, 2007 at 11:24:36AM +0100, Alan DeKok wrote:
> Jens Dreger wrote:
> > is simply no longer true. Checked the source: that option is gone. I
> > really really think that option should be there, though.
>
> It's not only hard to do, it can cause problems.
>
> i.e. opening *double* the connections to your SQL server. That may be
> an issue.
>
> > I know there
> > is a shell script that starts a second server on a different port and
> > waits to see if it starts successfully. But that's also broken since
> > the -p Option doesn't seem to work in all cases:
>
> In CVS head and in 1.1.x, you need to do '-i' and '-p' together.
>
> > Also, that approach is somewhat ridiculous considered the importance
> > of the radius server in our case.
>
> Yes. But please understand that this is *not* apache. FreeRADIUS has
> 1% (or less) of the resources that the apache team has. And, the
> integration between RADIUS and databases is *much* stronger and more
> important than Apache.
>
> i.e. Apache can handle HUP && reload it's configuration because it
> doesn't *do* anything. It doesn't cache connections. It doesn't
> maintain a large number of connections to databases, etc. It can afford
> to start up a completely brand new instance of itself from scratch,
> because there are almost no side-effects to doing so.
>
> In contrast, FreeRADIUS has to keep packet caches. It usually has
> large numbers of connections to database, etc.
Ok, maybe i should rephrase my question: I'm not so much interested in
the HUP part, but the check-config part. I'm perfectly happy with
stopping and starting the radius-server IF I can make sure it will
succeed with the new config. I'm only changing the users file and
have no database connections at all so this should be doable. A tool
like radiusd-chkconfig (like bind offers) would probably be the right
thing.
I understand however that in a more complicated setup HUPs might be
problematic.
> You can update the script to add "-i 127.0.0.1" to it. After that it
> *should* work, so long as you don't have limits on the number of
> database connections, etc.
...or hit a used port by accident. This script is just no elegant
solution. I guess I'll just have to keep two servers running on
different IPs and check if the test-server crashes with the new users
file before restarting the main server.
> > I tried to change the Wiki entry but apparently I don't have permission
> > to do so.
>
> Sign up for an account. It's not open because of the massive volume
> of spammers who were attacking it.
I tried. 'Create Account' just gives me a login screen with no way to
to create an account. Am I missing something?
Regards,
Jens.
--
Jens Dreger Freie Universitaet Berlin
dreger at physik.fu-berlin.de Fachbereich Physik - ZEDV
Tel: +49 30 83854774 Arnimallee 14
Fax: +49 30 83855902 14195 Berlin
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