[clue-tech] ssh, vim helper

[Patrick H.]

You can also set "StrictHostKeyChecking no" in /etc/ssh/ssh_config or 
~/.ssh/config
You'll still get a warning, but it wont refuse to let you in the box.

-Patrick

-------- Original Message  --------
Subject: [clue-tech] ssh, vim helper
From: David L. Willson <DLWillson at TheGeek.NU>
To: clue-tech at cluedenver.org
Date: Thursday, October 16, 2008 9:26:59 PM
> >From the "everyone but me already knows this" department:
>
> Have you ever gone to ssh a host you'd rebuilt recently, and gotten one of these?
>
> $ ssh smi-admin at 10.0.1.2
> @@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@
> @    WARNING: REMOTE HOST IDENTIFICATION HAS CHANGED!     @
> @@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@
> IT IS POSSIBLE THAT SOMEONE IS DOING SOMETHING NASTY!
> Someone could be eavesdropping on you right now (man-in-the-middle attack)!
> It is also possible that the RSA host key has just been changed.
> The fingerprint for the RSA key sent by the remote host is
> 7a:0b:f3:8a:52:e0:1a:e3:f6:26:b3:e8:31:a0:af:cf.
> Please contact your system administrator.
> Add correct host key in /home/dlwillson/.ssh/known_hosts to get rid of this message.
> Offending key in /home/dlwillson/.ssh/known_hosts:95
> RSA host key for 10.0.1.2 has changed and you have requested strict checking.
> Host key verification failed.
>
> Well, I get them all the time, and I found the easy way to delete the old key, but
> quick.  Notice that it gives you the line-number of the offending key, so you can use
> the "start at line" shortcut when starting vim to go straight to it when you edit your
> known_hosts file.  Like this:
>
> dlwillson at aurora:~
> $ vim +95 .ssh/known_hosts 
>
> Now, you just key in ddZZ (dd deletes the bad key, and ZZ saves and quits) and try your
> ssh again.
>
> -- David
>
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>   


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