Re: problem with plink and remote command
From: Pascal Legrand (Pascal.Legrand_at_univ-orleans.fr)
Date: 03/26/04
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Date: Fri, 26 Mar 2004 12:58:01 +0100
-------- Message original --------
> Pascal Legrand <Pascal.Legrand@univ-orleans.fr> writes:
>
>> i've got a problem with the plink command.
>> i would like to connect to a linux server with ssh, from a windows client with plink, and after use vnc.
>>
>> when i use the following command:
>> plink -ssh -v -2 -i "c:\logici~1\putty\clef\serveu~1.ppk" -L 3000:192.168.151.199:5901
>> root@192.168.151.199
>>
>> and just after in the shell "vncserver", all is ok, the tunnel exist
>> and vncserver working good.
>
> When you run "vncserver", what happens? Does it return you
> immediately to your shell prompt? If so, it's forking off a daemon in
> the background, and this explains the problem you're seeing with
> plink; the vncserver process starts an Xvnc in the background,
> finishes successfully, and therefore the connection is over.
>
> If this is the case, you need to find a way of making vncserver not
> terminate; I suspect you may have to run Xvnc directly instead of
> using vncserver.
>
> (S)
In fact it doesnt matter the command i launch with the command line, if i use the following command
line the problem is the same :
plink -ssh -v -2 -i "c:\logici~1\putty\clef\serveu~1.ppk" -L 3000:192.168.151.199:5901
root@192.168.151.199 ls
the ls command is executed but the tunnel is "broken".
example
plink -ssh -v -2 -i "c:\logici~1\putty\clef\serveu~1.ppk" -L 3000:192.168.151.199:5901
root@192.168.151.199 ls
Server version: SSH-1.99-OpenSSH_3.7.1p2
We believe remote version has SSH1 ignore bug
We claim version: SSH-2.0-PuTTY-Release-0.54
Using SSH protocol version 2
Doing Diffie-Hellman group exchange
Doing Diffie-Hellman key exchange
Host key fingerprint is:
ssh-rsa 1024 bb:20:5b:f7:80:a7:37:a6:d1:1d:11:9c:2e:45:8a:6c
Initialised AES-256 client->server encryption
Initialised AES-256 server->client encryption
Using username "root".
Reading private key file "c:\logici~1\putty\clef\serveu~1.ppk"
Offered public key
Offer of public key accepted
Authenticating with public key "Serveur-de-test-dsa-key-20040309"
Access granted
Opened channel for session
Local port 3000 forwarding to 192.168.151.199:5901
Started a shell/command
Server sent command exit status 0
All channels closed. Disconnecting
drakx
tmp
if the tunnel is broken just after the vncserver command, its a problem because i cant use vncviewer
from my local windows client throught an ssh tunnel.
What i want is the tunnel is keeped after the command option
sorry again for my poor english and thanks for your answer
-- Pascal Legrand *IUT de Chartres* - _Service Informatique_ 1 place Pierre Mendès France - 28000 Chartres Tel: 02 37 91 83 36 - Fax: 02 37 91 83 01 Pascal.Legrand@univ-orleans.fr
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