[erlang-questions] Appmon not starting under ubuntu linux

Dan Rubino <>
Sun Sep 28 12:58:08 CEST 2008


Thanks guys - got it sorted -great help as always!

Dan

On Sat, 2008-09-27 at 15:19 -0400, Edwin Fine wrote:
> Dan,
> 
> appmon uses graphics, which need X. In Windows, graphics are built in
> so you need nothing special. I assume you are not logged in as
> superuser.
> 
> Try the following:
> 
> $ xterm
> 
> If you see an xterm, your appmon should have worked. If you get an
> error message, there are two things I can think of off the top of my
> head that might not be set up correctly.
> 
> Is your DISPLAY variable set correctly? I am assuming that this is a
> local Linux box and that you are not using ssh or telnet to a remote
> box. If you are, that's another story.
> 
> Try setting DISPLAY as follows:
> 
> $ export DISPLAY=:0.0
> 
> Then try the xterm again. If it STILL doesn't work, there may be X
> authority problems. Try this:
> 
> $ xhost +
> 
> Warning: this is a security risk, allowing any X system access to your
> box. But we'll only be doing this for a moment and I assume you are
> behind a firewall.
> 
> Now try xterm again. If it works, appmon should work too.
> 
> To make this work without having to open up using xhost +, Google
> xauth and Xauthority and ensure you have a ~/.Xauthority file set up
> correctly.
> 
> Hope this helps. If you are still stuck, please post what happened
> above with xterm when you try it.
> 
> On Sat, Sep 27, 2008 at 6:18 AM, Dan Rubino <>
> wrote:
>         Hi all,
>         
>         I normally develop my Erlang apps under windows but this
>         weekend am
>         having a go under Linux.
>         
>         My apps compile and start fine however when I try and run
>         appmon i.e.
>         appmon:start().
>         
>         The console just hangs and doesnt open the appmon interface.
>         
>         I am running 5.5.5 - anyone come across this before?
>         
>         Thanks,
>         Dan
>         
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>         
> 
> 




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