BIG PROBLEM: Need help with production box

Curtis Robinson crobinso at it.fit.edu
Fri Apr 2 12:18:27 EST 2004


Hello all,

The problem has been isolated to a DoS attack on the system.  Now, it is
operating fine. 
Sorry for the trouble.

________________
Curtis Robinson
Senior Systems Analyst
Information Technology
Florida Institute of Technology
321.674.8069
crobinso at fit.edu

-----Original Message-----
From: owner-info-cyrus at lists.andrew.cmu.edu
[mailto:owner-info-cyrus at lists.andrew.cmu.edu] On Behalf Of Craig Ringer
Sent: Friday, April 02, 2004 9:34 AM
To: Henrique de Moraes Holschuh
Cc: info-cyrus at lists.andrew.cmu.edu
Subject: Re: BIG PROBLEM: Need help with production box

On Fri, 2004-04-02 at 21:53, Henrique de Moraes Holschuh wrote:

> This is not guaranteed to fix your problem, but it just might. If your
> machine is SMP on Linux, it is almost guaranteed that DB 4.1 will give
you
> severe headaches.

If I remember correctly, the bdb that ships with Red Hat 9 and Fedora
Core 1 is _known_ to be FUBAR for some apps due to threading problems.
Something to do with using native POSIX threading support in glibc and
the kernel, I think.

I've certainly never had much luck with it, and prefer to link against a
bdb4.2 build in /usr/local for site-local apps installs. Of course, then
you can run into all _sorts_ of fun if a PAM or nss module you use
happens to be linked to a different version of bdb... *shudders*. My
favourite wasn't bdb, but (if I remember correctly) actually a
sasl1/sasl2 linking issue with the LDAP client libs and saslauthd.

I'm beginning to find *BSD with the package-free approach more and more
tempting. I expect it wouldn't solve most of the problems, and no doubt
introduces new and different ones, but the grass is always greener....

Craig Ringer

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