[cs615asa] An error has occurred when I try to connect to ec2 instance

Nick Smith nsmith1 at stevens.edu
Mon Apr 14 12:05:57 EDT 2014


Oops, sorry. I missed that you tried that in the last line. Do you have 
SSH enabled in the security group? Sorry for the bad information.

On Mon 14 Apr 2014 12:01:51 PM EDT, Nick Smith wrote:
> ami-3b361952 is Fedora, right? You can't ssh as root to this instance,
> try connecting as "fedora" instead.
>
> On Mon 14 Apr 2014 11:59:09 AM EDT, zwang60 wrote:
>> Hello, Everyone.
>>
>> I have encountered a problem when use linux-lab to connect to
>> ec2-instance. The details are as follows:
>>
>> 1. here is my aws configure information:
>> AWS Access Key ID [****************IDSA]:
>> AWS Secret Access Key [****************u0wO]:
>> Default region name [us-east-1]:
>> Default output format [json]:
>> 2. create an instance use image-id: ami-3b361952
>> zwang60 at avatar:~$ aws ec2 run-instances --image-id ami-3b361952
>> --count 1 --instance-type t1.micro --key-name mykeypair
>> --security-groups MySecurityGroup
>> {
>>     "OwnerId": "916872542441",
>>     "ReservationId": "r-a95aac89",
>>     "Groups": [
>>         {
>>             "GroupName": "MySecurityGroup",
>>             "GroupId": "sg-521ef538"
>>         }
>>     ],
>>     "Instances": [
>>         {
>>             "Monitoring": {
>>                 "State": "disabled"
>>             },
>>             "PublicDnsName": null,
>>             "KernelId": "aki-407d9529",
>>             "State": {
>>                 "Code": 0,
>>                 "Name": "pending"
>>             },
>>             "EbsOptimized": false,
>>             "LaunchTime": "2014-04-14T15:49:13.000Z",
>>             "ProductCodes": [],
>>             "StateTransitionReason": null,
>>             "InstanceId": "i-68201938",
>>             "ImageId": "ami-3b361952",
>>             "PrivateDnsName": null,
>>             "KeyName": "mykeypair",
>>             "SecurityGroups": [
>>                 {
>>                     "GroupName": "MySecurityGroup",
>>                     "GroupId": "sg-521ef538"
>>                 }
>>             ],
>>             "ClientToken": null,
>>             "InstanceType": "t1.micro",
>>             "NetworkInterfaces": [],
>>             "Placement": {
>>                 "Tenancy": "default",
>>                 "GroupName": null,
>>                 "AvailabilityZone": "us-east-1c"
>>             },
>>             "Hypervisor": "xen",
>>             "BlockDeviceMappings": [],
>>             "Architecture": "i386",
>>             "StateReason": {
>>                 "Message": "pending",
>>                 "Code": "pending"
>>             },
>>             "RootDeviceName": "/dev/sda1",
>>             "VirtualizationType": "paravirtual",
>>             "RootDeviceType": "ebs",
>>             "AmiLaunchIndex": 0
>>         }
>>     ]
>> }
>> 3. ssh to this instance:
>> zwang60 at avatar:~$ ssh -i mykeypair.pem
>> ec2-user at ec2-54-81-79-177.compute-1.amazonaws.com
>> The authenticity of host 'ec2-54-81-79-177.compute-1.amazonaws.com
>> (54.81.79.177)' can't be established.
>> RSA key fingerprint is 3a:86:5a:d0:51:ed:72:df:5e:e9:9c:c5:69:25:19:05.
>> Are you sure you want to continue connecting (yes/no)? yes
>> Warning: Permanently added
>> 'ec2-54-81-79-177.compute-1.amazonaws.com,54.81.79.177' (RSA) to the
>> list of known hosts.
>> Permission denied (publickey,gssapi-keyex,gssapi-with-mic).
>> zwang60 at avatar:~$ ssh -i mykeypair.pem
>> root at ec2-54-81-79-177.compute-1.amazonaws.com
>> Permission denied (publickey,gssapi-keyex,gssapi-with-mic).
>> zwang60 at avatar:~$ ssh -i mykeypair.pem
>> ec2-user at ec2-54-81-79-177.compute-1.amazonaws.com
>> Permission denied (publickey,gssapi-keyex,gssapi-with-mic).
>> zwang60 at avatar:~$ ssh -i mykeypair.pem
>> fedora at ec2-54-81-79-177.compute-1.amazonaws.com
>> Permission denied (publickey,gssapi-keyex,gssapi-with-mic).
>>
>>
>>
>>
>> What may cause this happen and is there any solution to  this problem?
>> Looking for your help to solve this problem.Thank you.
>> Zhe
>> _______________________________________________
>> cs615asa mailing list
>> cs615asa at lists.stevens.edu
>> https://lists.stevens.edu/mailman/listinfo/cs615asa


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