[CentOS] differences in DNS between boxes

Mike -- EMAIL IGNORED m_d_berger_1900 at yahoo.com
Tue Aug 4 23:18:52 UTC 2009

On Tue, 04 Aug 2009 18:55:01 -0400, Matty wrote:


> If you are uncertain where the DNS lookups are originating from, you
> could always add an interposer between Apache and glibc. When the
> culprit calls one of the get* routines, you could log a backtrace to a
> file. Summarizing the backtraces should lead you to the modules (and
> directives) responsible for the lookups. If you happen to have a Solaris
> 10 / OpenSolaris host handy, you can use the DTrace ustack() action to
> do just this. No need to muck around with interposing on the glibc
> calls.
> Hope this helps,
> - Ryan

I don't have Solaris; where would I get the interposer,
and how would I add it?


More information about the CentOS mailing list