</TT>) and that
your local X server permits remote window creation (use the command
'<TT>xhost +</TT>' in a local shell).


<H2>Troubleshooting</H2>

 <P>Keep the email with the <TT>runnwchem</TT> shell script output
since this can be used to identify nodes with problems.

<H4>Job dies with a strange error code and an unknown error message</H4>

 <P> I've had this happen when I've specified a work directory that is
not accessible to all processes (e.g., a subdirectory of
<TT>/tmp</TT>).  This often works fo