[英]SSH connect to EC2 instance
I am trying to SSH to an EC instance. 我正在尝试SSH到EC实例。
These are the steps I followed and below is the error I got. 这些是我遵循的步骤,下面是我得到的错误。
In the Amazon Console, I created a Key Pair and downloaded it 在Amazon Console中,我创建了一个密钥对并下载了它
Changed the permissions of that pem file to 400(as written here ) 将该pem文件的权限更改为400(如此处所示 )
Went to the running instances in the console and got my Public DNS 进入控制台中正在运行的实例并获得我的公共DNS
Added an inbound rule(SSH),0.0.0.0/0 to the group with description 'SecurityGroup for ElasticBeanstalk environment.' 在描述为“ ElasticBeanstalk环境的SecurityGroup”的组中添加了入站规则(SSH),0.0.0.0 / 0。 in the Security Groups tab in console
在控制台的“安全组”选项卡中
Executed this in console ssh -i <>my_key_filename>.pem ec2-user@<Public DNS>
在控制台
ssh -i <>my_key_filename>.pem ec2-user@<Public DNS>
执行此ssh -i <>my_key_filename>.pem ec2-user@<Public DNS>
And this is the output for that: 这是该输出:
OpenSSH_6.1p1 Debian-4, OpenSSL 1.0.1c 10 May 2012
debug1: Reading configuration data /etc/ssh/ssh_config
debug1: /etc/ssh/ssh_config line 19: Applying options for *
debug1: Connecting to ec2-54-254-148-94.ap-southeast-1.compute.amazonaws.com [54.254.148.94] port 22.
debug1: Connection established.
debug1: identity file mykey.pem type -1
debug1: identity file mykey.pem-cert type -1
debug1: Remote protocol version 2.0, remote software version OpenSSH_5.3
debug1: match: OpenSSH_5.3 pat OpenSSH_5*
debug1: Enabling compatibility mode for protocol 2.0
debug1: Local version string SSH-2.0-OpenSSH_6.1p1 Debian-4
debug1: SSH2_MSG_KEXINIT sent
debug1: SSH2_MSG_KEXINIT received
debug1: kex: server->client aes128-ctr hmac-md5 none
debug1: kex: client->server aes128-ctr hmac-md5 none
debug1: SSH2_MSG_KEX_DH_GEX_REQUEST(1024<1024<8192) sent
debug1: expecting SSH2_MSG_KEX_DH_GEX_GROUP
debug1: SSH2_MSG_KEX_DH_GEX_INIT sent
debug1: expecting SSH2_MSG_KEX_DH_GEX_REPLY
debug1: Server host key: RSA a1:2b:92:f6:cf:e3:ed:8a:60:0e:34:c0:27:24:6f:f7
The authenticity of host 'ec2-54-254-148-94.ap-southeast-1.compute.amazonaws.com (54.254.148.94)' can't be established.
RSA key fingerprint is a1:2b:92:f6:cf:e3:ed:8a:60:0e:34:c0:27:24:6f:f7.
Are you sure you want to continue connecting (yes/no)? yes
Warning: Permanently added 'ec2-54-254-148-94.ap-southeast-1.compute.amazonaws.com,54.254.148.94' (RSA) to the list of known hosts.
debug1: ssh_rsa_verify: signature correct
debug1: SSH2_MSG_NEWKEYS sent
debug1: expecting SSH2_MSG_NEWKEYS
debug1: SSH2_MSG_NEWKEYS received
debug1: Roaming not allowed by server
debug1: SSH2_MSG_SERVICE_REQUEST sent
debug1: SSH2_MSG_SERVICE_ACCEPT received
debug1: Authentications that can continue: publickey
debug1: Next authentication method: publickey
debug1: Offering RSA public key: aws_key.pem
debug1: Authentications that can continue: publickey
debug1: Offering DSA public key: id_dsa
debug1: Authentications that can continue: publickey
debug1: Offering RSA public key: mailid@gmail.com
debug1: Authentications that can continue: publickey
debug1: Trying private key: mykey.pem
debug1: read PEM private key done: type RSA
debug1: Authentications that can continue: publickey
debug1: No more authentication methods to try.
Permission denied (publickey).
Also, the instance I am trying to connect to is an Amazon Linux instance. 另外,我尝试连接的实例是Amazon Linux实例。
From your comments below your question : it looks like the order of your steps where incorrect. 根据您的问题下方的评论:看起来您的步骤顺序不正确。
Public keys are injected into the instances at first boot. 公钥在第一次启动时被注入实例。 It is not possible for AWS to change the keypair after the instance has been started - AWS has no technical way to connect to your instance.
实例启动后 ,AWS无法更改密钥对-AWS没有连接到您实例的技术方法。 (you can do it manually by upload files in
~/.ssh
directory) (您可以通过上传
~/.ssh
目录中的文件来手动完成此操作)
To learn more about how to use keypair with ElasticBeanstalk, have a look at this screenshot 要了解有关如何将密钥对与ElasticBeanstalk一起使用的更多信息,请查看此屏幕截图
Or just create an .ebextensions
directory with an application.config
file containing 或者只是使用包含
.ebextensions
的application.config
文件创建一个.ebextensions
目录
- namespace: aws:autoscaling:launchconfiguration
option_name: EC2Keyname
value: "keyname"
More details about customising ElasticBeanstalk environment : http://docs.aws.amazon.com/elasticbeanstalk/latest/dg/customize-containers-ec2.html#customize-containers-format-options 有关自定义ElasticBeanstalk环境的更多详细信息: http ://docs.aws.amazon.com/elasticbeanstalk/latest/dg/customize-containers-ec2.html#customize-containers-format-options
Possible values are listed here http://docs.aws.amazon.com/AWSCloudFormation/latest/UserGuide/aws-properties-as-launchconfig.html 此处列出了可能的值http://docs.aws.amazon.com/AWSCloudFormation/latest/UserGuide/aws-properties-as-launchconfig.html
More details about keypair can be found here : http://docs.aws.amazon.com/AWSEC2/latest/UserGuide/ec2-key-pairs.html 有关密钥对的更多详细信息,可以在这里找到: http : //docs.aws.amazon.com/AWSEC2/latest/UserGuide/ec2-key-pairs.html
--Seb -塞伯
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