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Re: [Xen-users] ssh in rc.local stalls xenU

On Thu, 15 Dec 2005, Steve Brueckner wrote:

> I'm using Fedora Core 4.  I need to create an ssh port forwarding tunnel to
> my xen0 domain when my xenU domain starts up, so I added this to the xenU's
> /etc/rc.d/rc.local:
> ssh -v -f -L 5500:localhost:5501 xen0_ip tail -f /dev/null
> This causes my VM to pause for about 3 minutes during boot.  Furthermore,
> the ssh tunnel never gets created.  The ssh command is stalling at
> "Connecting to (xen0_IP) port 22"
> I have null-passphrase authentication keys working, so I can execute the
> tunnel manually after I log in.  So why won't the tunnel work before I log
> in?

ssh is pretty paranoid. It probably knows the difference between this
non-interactive login and an interactive one... so it might not be
attempting this. Can you run the same commands from a script or a cron
job on the same box?

Other things to check are your logs on the target machine to see if ssh is
even getting as far as establishing a connection. DNS ... which _should_
be fine, since rc.local is generally the last thing to run, etc...

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