xterm error question

[Aaron Cline]

Also, the portmapping service must be turned on.  '/etc/init.d/portmap 
start'

You can also try 'xhost +' on HostA, then 'ssh -X hostb', and finally 
run the app on HostB.

ssh -X sets up X-Forwarding to go through the ssh tunnel automagically.

GoijI P wrote:

> did ,xhost +, on HostA:
> access control disabled,
> clients can connect from any host
>
> did , echo $DISPLAY, on HostA:
> :0.0
>
> did, echo $DISPLAY, on HostB:
> HostA:0.0
>
> tried setenv with HOSTAIP:0.0
> ,still came with same xterm error.
>
>
>> From: Rick Stevens <rstevens at vitalstream.com>
>> Reply-To: Getting started with Red Hat Linux 
>> <redhat-install-list at redhat.com>
>> To: Getting started with Red Hat Linux <redhat-install-list at redhat.com>
>> Subject: Re: xterm error question
>> Date: Mon, 19 Apr 2004 17:10:56 -0700
>>
>> GoijI P wrote:
>>
>>> from host A, did:
>>> telnet HostB
>>> setenv DISPLAY HostA:0.0
>>> In another terminal on HostA terminal did: xhost +
>>> in telnet session terminal did: xterm
>>> got this error:
>>> xterm Xt error.
>>> can't open display HostA:0.0
>>>
>>> HostB is NIS client.
>>>
>>> /etc/hosts and /etc/passwd files look ok
>>> on NIS server and client.
>>
>>
>> Are you certain the display name is HostA:0.0?  Sometimes they're just
>> HostA:0 (no decimal point).  On HostA, "echo $DISPLAY" and make sure
>> HostB uses that ID.  You may also need to specify it via IP address
>> unless "HostA" resolves via DNS or /etc/hosts files.
>> ----------------------------------------------------------------------
>> - Rick Stevens, Senior Systems Engineer     rstevens at vitalstream.com -
>> - VitalStream, Inc.                       http://www.vitalstream.com -
>> -                                                                    -
>> -  You know the old saying--any technology sufficiently advanced is  -
>> -               indistinguishable from a Perl script                 -
>> -                                 --Programming Perl, 2nd Edition    -
>> ----------------------------------------------------------------------
>>
>>
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