[K12OSN] VNC (Virtual Network Computing) question

[norbert]

Hello Chris,

Thank yuo it works great & the confirmation that I wasn't going totally 
insane helped too :-)

norbert

ckjohnson at gwi.net wrote:

> norbert wrote:
>
>> Hi,
>>
>> Thanks for trying to help, here is the info.
>>
>> vnc version =  vnc-4.0-0.beta4.3.2
>> vnc command = vncviewer -via xxx.xxx.xxx.xxx
>> strace =
>> [norbert at krypton norbert]$ strace vncviewer -via 24.37.89.244
>> [clip]
>> socket(PF_INET, SOCK_STREAM, IPPROTO_IP) = 3
>> bind(3, {sa_family=AF_INET, sin_port=htons(5599), 
>> sin_addr=inet_addr("0.0.0.0")}, 16) = 0
>> close(3)                                = 0
>> --- SIGSEGV (Segmentation fault) @ 0 (0) ---
>> +++ killed by SIGSEGV +++
>>
>> Again thanks for the help
>>
>> norbert
>>
>> strace (and I apologise for the length, however it is meaningless to 
>> me... :-( )
>>
>> ckjohnson at gwi.net wrote:
>>
>>> norbert wrote:
>>>
>>>> Yes SSH, FTP & HTTP all work fine, hence the intrigue .....
>>>>
>>>>>> If I launch vncviewer from my server to another it works fine but 
>>>>>> if I use the "-via" option I get a "segmentation fault". Can 
>>>>>> anyone shed some light on this please.
>>>>>> K12LTSP V 4.0.1
>>>>>
>>>>>
>>>>>
>>> What vnc rpm do you have?
>>> What does your vncviewer command line look like?
>>> How about an strace of running vncviewer with the -via option?
>>>
> I have reproduced your problem, and consequently know how to avoid 
> it.  Obviously producing a seg fault instead of an error message is a 
> bug in vncviewer, so you might want to open a bugzilla entry at 
> bugzilla.redhat.com.
>
> A proper command syntax is:
> vncviewer localhost:0 -via 24.37.89.244
>
> Or perhaps localhost:1, etc.  The problem is that you still need to 
> say where to connect the vncviewer to, and the -via argument only says 
> where to tunnel that connection through, not the remote endpoint of 
> the tunnel.
>
> BTW: if you need to use a different account at 24.37.89.244 you can 
> also do something like this:
> vncviewer localhost:0 -via remoteuser at 24.37.89.244
>
> Chris
>