[ec2] AWS problem or bad Canonical ami?

Peter Wolanin peter.wolanin at acquia.com
Sun Jun 28 17:14:58 BST 2009


In fact, the same happens with a freshly-created keypair also.  I am
using the current ec2-api-tools-1.3-36506

$ ec2-add-keypair ec2-keypair > ec2-keypair.pem

$ chmod 600 ec2-keypair.pem

$ ec2-run-instances ami-5d59be34 -k ec2-keypair

$ ec2-describe-instances i-cdf9dba4
RESERVATION	r-b35e20da	831208250803	default
INSTANCE	i-cdf9dba4	ami-5d59be34	ec2-174-129-147-185.compute-1.amazonaws.com	domU-12-31-39-04-30-15.compute-1.internal	running	ec2-keypair	0		m1.small	2009-06-28T15:54:23+0000	us-east-1b	aki-6e709707	ari-6c709705		monitoring-disabled

$ ssh -i ec2-keypair.pem ubuntu at ec2-174-129-147-185.compute-1.amazonaws.com
Permission denied (publickey).

$ ssh -i ec2-keypair.pem root at ec2-174-129-147-185.compute-1.amazonaws.com
Permission denied (publickey).


On Sun, Jun 28, 2009 at 11:55 AM, Peter Wolanin<peter.wolanin at acquia.com> wrote:
> Following the instructions here:
> https://help.ubuntu.com/community/EC2StartersGuide  I consistently am
> unable to authenticate to a freshly launched 8.04 image using an
> existing ssh key, even though the ssh key fingerprint matches.  I
> don't see the same problem with other amis, so I'm tending to think
> this is an issue with specific to how these amis run?
>
> $ ec2-describe-instances i-e3fad88a
> RESERVATION     r-1d601e74      831208250803    fields_dev
> INSTANCE        i-e3fad88a      ami-5d59be34    ec2-174-129-152-156.compute-1.amazonaws.com     domU-12-31-39-04-51-12.compute-1.internal       running default 0               m1.small        2009-06-28T15:29:20+0000        us-east-1b      aki-6e709707    ari-6c709705            monitoring-disabled
>
> $ ssh -i /Volumes/acquia/ssh/id_acquia_default
> ubuntu at ec2-174-129-152-156.compute-1.amazonaws.com
> The authenticity of host 'ec2-174-129-152-156.compute-1.amazonaws.com
> (174.129.152.156)' can't be established.
> RSA key fingerprint is ca:48:6a:e3:f3:08:20:58:d2:9e:f7:3d:32:b2:1a:1c.
> Are you sure you want to continue connecting (yes/no)? yes
> Warning: Permanently added
> 'ec2-174-129-152-156.compute-1.amazonaws.com,174.129.152.156' (RSA) to
> the list of known hosts.
> Permission denied (publickey).
>
> $ ssh -i /Volumes/acquia/ssh/id_acquia_default
> root at ec2-174-129-152-156.compute-1.amazonaws.com
> Permission denied (publickey).
>
> $ ec2-describe-keypairs default
> KEYPAIR default 1d:41:9e:ec:aa:6e:ce:40:91:30:19:f1:24:15:77:9d:50:bd:db:96
>
> $ ec2fp /Volumes/acquia/ssh/id_acquia_default
> 1d:41:9e:ec:aa:6e:ce:40:91:30:19:f1:24:15:77:9d:50:bd:db:96
>



-- 
Peter M. Wolanin, Ph.D.
Momentum Specialist,  Acquia. Inc.
peter.wolanin at acquia.com



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