[erlang-questions] debug output from yaws

Steve Vinoski <>
Wed Jun 6 17:04:35 CEST 2012


On Wed, Jun 6, 2012 at 9:15 AM, Attila Rajmund Nohl
<> wrote:
> Hello!
>
> I'm working on an application that uses the yaws webserver. This
> application also contains the reshd module (see
> http://erlang.org/pipermail/erlang-questions/2001-May/003162.html), so
> I can connect to the erlang shell of the node even if yaws was started
> as daemon mode. My problem is: if I connect to the shell and turn on
> tracing (using dbg), I can't see it's output, because the stdout and
> stderr are redirected to /dev/null.
>
> Is there a way to get the debug output without restarting yaws?

Why not use dbg:trace_port/2 with dbg:tracer/2 to redirect the trace
output to a file or to another system?

--steve



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