SSH to Elastic Beanstalk instance

Question

I just signed up for Amazon s new Elastic Beanstalk offering  What I can t figure out is how to SSH to a Beanstalk instance  I don t have a private key because Beanstalk generated the instance on my behalf

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I have been playing with this as well    goto your elastic beanstalk service tab on your application overview goto action --  edit configuration add the name of a key as it appears in your EC2 tab  for the same region  to the existing keypair box and hit apply changes   The service will be relaunched so make a coffee for 5 mins  On your ec2 tab for the same region you ll see your new running instance  ssh to the public dns name as ec2-user using the key added in 3 e g  ssh ec2-user ec2-xx-xxx-xx-xxx compute-1 amazonaws com

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Depending on your environment configuration  you may not have a public IP address on the EC2 instance that was created for your environment  You can check by    Go to the EC2 Console Find your instance and check the Description tab If there is no Public IP     Click Elastic IPs on the Navigation Click Allocate new address Choose Amazon for the pool Click Allocate   Finally  select your new EIP and choose Associate address from the action menu  Associate that IP with your EC2 instance  You should be able to connect using eb ssh now    You can reset the connection details by running eb ssh --setup

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Elastic Beanstalk can bind a single EC2 keypair to an instance profile  A manual solution to have multiple users ssh into EBS is to add their public keys in authorized keys file

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If you are using elastic bean and EB CLI  just use eb ssh to login to instance  You can use options as specified in the following link http   docs aws amazon com elasticbeanstalk latest dg eb3-ssh html

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I came here looking for a way to add a key to an instance Beanstalk creates during provisioning  we re using Terraform   You can do the following in Terraform   resource  aws elastic beanstalk environment   your-beanstalk               setting         namespace    aws autoscaling launchconfiguration        name         EC2KeyName        value          aws key pair your-ssh-key key name                   You can then use that key to SSH into the box

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Above answers are bit old   Firstly create a key-pair and then attach it to Elastic Beanstalk environment   Steps to create a key-pair   Login to AWS Services -  EC2 In left under NETWORK  amp  SECURITY select key pairs Select Create new Key Pair  type key name and click on create  The key will be automatically downloaded to your system    Steps to attach created key pair to Elastic Beanstalk environment   AWS -  Services -  Elastic Beanstalk Select your environment and click on the configuration in left  In Configuration overview select modify from Security  Under Virtual machine permissions select key-pair that we created  Click on save and then on save configuration    This will take some time to reflect to your EC2 instance

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Elastic beanstalk CLI v3 now supports direct SSH with the command eb ssh  E g   eb ssh your-environment-name   No need for all the hassle of setting up security groups of finding out the EC2 instance address   There s also this cool trick    eb ssh --force   That ll temporarily force port 22 open to 0 0 0 0  and keep it open until you exit  This blends a bit of the benefits of the top answer  without the hassle  You can temporarily grant someone other than you access for debugging and whatnot  Of course you ll still need to upload their public key to the host for them to have access  Once you do that  and as long as you re inside eb ssh   the other person can  ssh ec2-user ec2-xx-xxx-xxx-xx compute-1 amazonaws com

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On mac you can install the cli using brew   brew install awsebcli   With the command line tool you can then ssh with   eb ssh environment-name   and also do other operations   This assumes you have added a security group that allows ssh from your ip

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I also ran into the same problem awhile ago  I wanted to use the key file  but Amazon says somewhere that you cannot add a key file to an existing EC2 server  For the first Beanstalk application  Amazon preconfigures the application for you  You need to create a new application  and you can configure the EC2 server that runs the Beanstalk app to use an old pem file  ppk if using Putty   or you can create a new one  Now you should be able to SSH     Then configure  then delete your old app

User · Answer

I found it to be a 2-step process  This assumes that you ve already set up a keypair to access EC2 instances in the relevant region  Configure Security Group  In the AWS console  open the EC2 tab   Select the relevant region and click on Security Group   You should have an elasticbeanstalk-default security group if you have launched an Elastic Beanstalk instance in that region   Edit the security group to add a rule for SSH access  The below will lock it down to only allow ingress from a specific IP address  SSH   tcp   22   22   192 168 1 1 32    Configure the environment of your Elastic Beanstalk Application  If you haven t made a key pair yet  make one by clicking Key Pairs below Security Group in the ec2 tab  In the AWS console  open the Elastic Beanstalk tab  Select the relevant region  Select relevant Environment Select Configurations in left pane  Select Security  Under  quot EC2 key pair  quot   select the name of your keypair in the Existing Key Pair field   If after these steps you see that the Health is set Degraded  that s normal and it just means that the EC2 instance is being updated  Just wait on a few seconds it ll be Ok again  Once the instance has relaunched  you need to get the host name from the AWS Console EC2 instances tab  or via the API  You should then be able to ssh onto the server    ssh -i path to keypair pub ec2-user ec2-an-ip-address compute-1 amazonaws com  Note  For adding a keypair to the environment configuration  the instances  termination protection must be off as Beanstalk would try to terminate the current instances and start new instances with the KeyPair  Note  If something is not working  check the  quot Events quot  tab in the Beanstalk application   environments and find out what went wrong

User · Answer

There is a handy  Connect  option in the  Instance Actions  menu for the EC2 instance   It will give you the exact SSH command to execute with the correct url for the instance   Jabley s overall instructions are correct

User · Answer

The direction to set the key-pair for an ElasticBeanstalk ec2 instance with the current UI is  Warning  This will require an update of EC2 instances in your ElasticBeanstalk App   Note  You will need to have created a key-pair in the EC2 dashboard prior to this   1  In AWS Dashboard  Select the ElasticBeanstalk service 2  Select the Application you want to use  3  Select  Configuration  4  Select the gear  settings  icon on the  Instances  configuration box  5  This will take you to a page titled  Server   where you can update the  EC2 key pair  drop-down field with your desired key-pair and select  Save    One thing to note is that this may not work for Applications with multiple instances  but I believe it s likely if they are all in the same region as the key-pair

User · Answer

You need to connect to the ec2 instance directly using its public ip address  You can not connect using the elasticbeanstalk url   You can find the instance ip address by looking it up in the ec2 console   You also need to make sure port 22 is open  By default the EB CLI closes port 22 after a ssh connection is complete  You can call eb ssh -o to keep the port open after the ssh session is complete   Warning  You should know that elastic beanstalk could replace your instance at anytime  State is not guaranteed on any of your elastic beanstalk instances  Its probably better to use ssh for testing and debugging purposes only  as anything you modify can go away at any time

User · Answer

If you have set up the CLI using eb init to your environment then it should be as  simple as   eb ssh --setup which will allow you to create a new key pair or use an existing one if one exists   You may also be able to just connect to the existing environment with eb use although I have not done that   For details on installing the CLI - https   docs aws amazon com console elasticbeanstalk eb-cli-install

User · Answer

My experience in August 2013 with a linux client and a simple AWS Beanstalk installation  single EC2 instance  is as follows  based on Community Wiki above   Configure Security Group   In the AWS console  select EC2 to go to the EC2 Dashboard Discover the security group to which your EC2 instance belongs by clicking Instances in the left hand panel and then selecting the instance you want to connect to  in my case there is only one - called Default Environment   The details are shown at the base of the page - You should see a field for Security Groups - make a note of the name - in my case  awsweb        From the left hand panel select Security Groups  Select the awsweb    security group and the details should show at the base of the page Select the Inbound tab and choose SSH from the  Create a New Rule  drop down   Insert the ip address CIDR of your local machine  from which you intend to connect   e g  192 168 0 12 32 and click Add Rule and Apply Rule Changes    Create Public-Private Key Pair   From the EC2 dashboard select Key Pairs from the left hand panel Click Key Pair  at top  and enter a name such as myname-key-pair-myregion or whatever valid key name you like  Confirm and then accept the download of the private key from the browser saving it for instance to your home directory or wherever you fancy   Make sure the directory only has write permissions for you    Associate the Public Private Key Pair with the Elastic Beanstalk EC2 Server   To add a public-private key pair to an Elastic Beanstalk EC2 instance do  Services -  Elastic Beanstalk -  My App -  Default Environment takes you to the default environment  the one where you upload your app  Click Configuration  on left hand panel  and then on the gear cog associated with  Instances  A page entitled  Server  is displayed Select your prebuilt key par from EC2 Key Pair and do Save Some warning message is displayed so do Save again    Connect to AWS EC2 Instance using SSH   In a terminal session change to the directory containing your private key   pem file   If you ve had a few goes at this you should probably do something about  ssh known hosts if you have one such as renaming it   Otherwise you may get an error about the host s identity having changed  Do  ssh -i   myname-key-pair-my-region pem ec2-user ec2-some-address us-west-2 compute amazonaws com   Good luck

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