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

zwang60 zwang60 at stevens.edu
Mon Apr 14 13:07:02 EDT 2014


Hi, Nick,
I have these inbound information in my security group:
SSH
TCP
22
155.246.89.103/32
SSH
TCP
22
155.246.89.105/32
SSH
TCP
22
155.246.89.106/32
SSH
TCP
22
155.246.89.108/32
Is that correct?


  04/14/2014 12:05 PM,Nick Smith :
> 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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