[ec2] AWS problem or bad Canonical ami?

[Eric Hammond]

Peter:

I believe you may be running into this:

  https://bugs.launchpad.net/ubuntu-on-ec2/+bug/308530

The workaround is to reboot the instance and try ssh again.

--
Eric Hammond
ehammond at thinksome.com



Peter Wolanin wrote:
> 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
>>
> 
> 
>