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тАО10-30-2008 03:39 PM
тАО10-30-2008 03:39 PM
ssh and Ignite/UX
The error states that the connection was broken due to invalid authentication.
The connection goes like this:
X11 Host --> Ignite/UX Server --> Client
I have AgentForwarding turned on, and X11ForwardTrusted turned on. On the X11 host, I did the following:
slogin -AYg root@ignite
Then, on the ignite server I ran:
ignite &
The ignite server root user has this client config (~/.ssh/config):
ForwardAgent yes
ForwardX11Trusted yes
The error dialog from Ignite's X11 GUI states: "X connection to host:11.0 broken (explicit kill or server shutdown)."
The text (console) display shows:
client being added to access control list
X11 connection rejected because of wrong authentication.
I've not found any definitive answer to this (although the ForwardX11Trusted was recommended). What am I missing here?
I could try sticking to running make_net_recovery on the clients, but I'd still like to get this working.
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тАО11-05-2008 12:59 AM
тАО11-05-2008 12:59 AM
Re: ssh and Ignite/UX
ssh -t root@ignite ignite
and get a text-based gui version of Ignite-UX.
Also, the file you should be checking is not ignite:~root/.ssh/config -- that's only for connections out from the ignite server. I think you want /etc/opt/ssh/sshd_config and look at
X11Forwarding yes
X11UseLocalhost ...
X11DispalyOffset ...
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тАО11-05-2008 01:23 AM
тАО11-05-2008 01:23 AM
Re: ssh and Ignite/UX
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тАО11-05-2008 05:46 AM
тАО11-05-2008 05:46 AM
Re: ssh and Ignite/UX
Don't confuse the issue: the ignite items you list are red herrings. This has nothing to do with ignite and everything to do with getting X11 correctly tunneled through ssh.
And, before diving into that:
>>I could try sticking to running make_net_recovery on the clients, but I'd still like to get this working.
I'd suggest doing it this way; from the client, you can set up scripts which you can run via cron.
Here's what I suggest to get X11 tunneled through ssh:
1. Verify that it's not working at all:
(ssh | slogin) to the ignite server.
echo $DISPLAY
the Display variable should look something like:
# echo $DISPLAY
135.3.66.94:13.0
if it says ${some_ip}:0.0, chances are you have something in your login profile that's overwriting the display parameter that ssh sets.
xterm -sb -sl 1024 &
That should open up an xterm on your local display. Based on your post, you'll get an error message.
2. Configure X11 tunneling:
On your ignite server, verify the parameters are enabled in the sshd_config.
# grep -i x11 /opt/ssh/etc/sshd_config
X11Forwarding yes
#X11DisplayOffset 10
X11UseLocalhost no
If X11Forwarding is set to no, reset it to yes, then sighup the sshd daemon.
On your client system, the one you're using to access the ignite server, verify x11 is enabled in the ssh_config:
# grep -i x11 /opt/ssh/etc/ssh_config
# ForwardX11 no
ForwardX11 yes
Notice, that's turned off by default.
If you're doing this from a Windows system, ensure you have some type of X11 terminal emulation software running.
To reiterate:
1. Verify nothing in root@ignite's profile is overwriting the DISPLAY variable.
2. Verify the ignite server enables X11 in the /opt/ssh/etc/sshd_config
3. Verify the client you're using enables X11 in the /opt/ssh/etc/ssh_config (assuming an HP client system...)
HTH;
Doug O'Leary
------
Senior UNIX Admin
O'Leary Computers Inc
linkedin: http://www.linkedin.com/dkoleary
Resume: http://www.olearycomputers.com/resume.html
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тАО11-05-2008 05:48 AM
тАО11-05-2008 05:48 AM
Re: ssh and Ignite/UX
I'm looking to find a way to reliably tunnel the X display data from the client to the X display server.