How do I access EC2 instance even if PEM file is lost?

HOW TO ACCESS EC2 INSTANCE EVEN IF PEM FILE IS LOST
  1. First, create a new instance by creating new access file, call it 'helper' instance with same region and VPC as of the lost pem file instance.
  2. Now stop the lost pem file instance. ...
  3. Go to EBS volumes, select the root volume of the lost pem file instance and detach.
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How do you connect to an EC2 instance if we lose a pem key and how can we recover it?

When you use EC2Config or EC2Launch to reset a lost password, you must use its key pair to retrieve the administrator password. If you've lost the key pair, you can create an AMI of the existing instance, and then launch a new instance. You can then select a new key pair by following the instance launch wizard.
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How do I find my EC2 instance if key pair is lost?

Amazon EC2 doesn't keep a copy of your private key; therefore, if you lose a private key, there is no way to recover it. If you lose the private key for an instance store-backed instance, you can't access the instance; you should terminate the instance and launch another instance using a new key pair.
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How do I connect to EC2 instance without pem?

4 Answers
  1. Login into your instance with the .pem file.
  2. Update.
  3. sudo su.
  4. cd / (just incase)
  5. Edit, vim /etc/ssh/sshd_config and edit or do the equivilent of uncommenting these lines: ...
  6. Restart sshd service, service sshd restart or systemctl restart sshd or equivilent.
  7. Set password, passwd.
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What happens if I lose my SSH key EC2?

If your instance is a managed instance in AWS Systems Manager, then use the AWSSupport-ResetAccess document to recover your lost key pair. AWSSupportResetAccess automatically generates and adds a new SSH (public/private) key pair using the EC2 Rescue for Linux tool on the specified EC2 instance.
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How do I recover windows EC2 instance if PEM file is lost



How do I redownload a PEM file in AWS?

3 Answers
  1. Log in to AWS, and navigate to EC2.
  2. Select Network and security in the navigation pane, and enter key pairs.
  3. Select Create Key Pair.
  4. Then, select the format of the file (. pem or . ppk)
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How do I access my EC2 instance?

Open the Amazon EC2 console at https://console.aws.amazon.com/ec2/ .
  1. In the navigation pane, choose Instances.
  2. Select the instance and choose Connect.
  3. Choose EC2 Instance Connect.
  4. Verify the user name and choose Connect to open a terminal window.
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How do I recover my AWS PEM key?

First, create a new instance by creating new access file, call it 'helper' instance with same region and VPC as of the lost pem file instance. Now stop the lost pem file instance. Remember not to terminate instance but to stop it. Go to EBS volumes, select the root volume of the lost pem file instance and detach.
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How do I re download AWS key pair?

How to regenerate an AWS EC2 key pair for an EBS backed instance
  1. Shut down your instance.
  2. Select Instance Actions for the instance and generate an AMI from the instance.
  3. Launch a new instance and select the AMI you just created.
  4. Select and download the new key pair.
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How do I access EC2 instance SSH?

Connect to your EC2 Instance
  1. Open your terminal and change directory with command cd, where you downloaded your pem file. ...
  2. Type the SSH command with this structure: ssh -i file.pem username@ip-address. ...
  3. After pressing enter, a question will prompt to add the host to your known_hosts file. ...
  4. And that's it!
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Can you recover lost private key?

Please take note that if a private key is lost, there is no way to either recover it or to regenerate it. However, aside from the private key, there are also other ways you can use to import your wallet address and ultimately recover the tokens in them.
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How do I change the PEM file of an EC2 instance?

Instruction from AWS EC2 support:
  1. Change pem login.
  2. go to your EC2 Console.
  3. Under NETWORK & SECURITY, click on Key Pair Click on Create Key Pair.
  4. Give your new key pair a name, save the .pem file. ...
  5. Create SSH connection to your instance and keep it open.
  6. in PuttyGen, click "Load" to load your .pem file.
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How do I associate key pairs with an EC2 instance?

How to add a new key pair to your exisitng AWS ec2 Instances
  1. Go to ec2 Dashboard.
  2. Open Key Pairs page.
  3. Create a new Private SSH ec2 key pair.
  4. Extract the Public key from the private key.
  5. Connect to your existing Ec2 instance.
  6. Paste Public key to AWS Ec2 Instance.
  7. Replace Lost Key's string with a new one.
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Where is PEM file on EC2 instance?

The pem key (private key) file is on your local PC. The EC2 machine has only the public key. If you want to scp from one EC2 to another EC2 instance that are launched using the same keypair, you have to transfer your pem key file to one of your EC2 machines.
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How do you find .PEM file in Linux?

However the default location for certificates is /etc/ssl/certs . You might find additional certificates there. This will list all the . pem files present on your system and their full path.
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What is .PEM file?

Solution. PEM or Privacy Enhanced Mail is a Base64 encoded DER certificate. PEM certificates are frequently used for web servers as they can easily be translated into readable data using a simple text editor. Generally when a PEM encoded file is opened in a text editor, it contains very distinct headers and footers.
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What is PEM file in AWS?

PEM stands for Privacy Enhanced Mail. The PEM format is often used to represent certificates, certificate requests, certificate chains, and keys. The typical extension for a PEM–formatted file is . pem , but it doesn't need to be. AWS does not provide utilities for manipulating PEM files or other certificate formats.
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How do I download a PEM certificate?

Go to the Details tab. Click the Export button. Specify the name of the file you want to save the SSL certificate to, keep the “X. 509 Certificate (PEM)” format and click the Save button.
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How do I install a PEM file using putty?

Instructions
  1. If you do not already have PuTTYgen, download the PuTTYgen executable from the following link: PuTTYgen.
  2. Start PuTTYgen. ( ...
  3. Click Load and browse to the location of the private key file that you want to convert (for example keypair.pem). ...
  4. Select your .pem key file and click Open. ...
  5. Click OK.
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Can I change key pair for EC2 instance?

If you plan to connect to the instance using SSH, you must specify a key pair. You can choose an existing key pair or create a new one.
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How do I access Windows EC2 instance without key pair?

How To Connect To An AWS EC2 Instance Without Key Pair:
  1. Step 1: Open your favorite web browser and connect to AWS console.
  2. Step 2: Navigate to AWS EC2 and select the instance you want to connect and click 'Connect'.
  3. Step 3: Select 'Session Manager' and click 'Connect'.
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How do I create a .PEM file?

How to create a PEM file with the help of an automated script:
  1. Download NetIQ Cool Tool OpenSSL-Toolkit.
  2. Select Create Certificates | PEM with key and entire trust chain.
  3. Provide the full path to the directory containing the certificate files.
  4. Provide the filenames of the following:
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Where is my ether private key?

To see your Private key

When you've accessed your wallet, locate the colorful account card found on the left-hand side of the screen and click the down arrow next to 'My Personal Account'. Click 'View Paper Wallet'. Congratulations! You've just accessed your Private key!
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How do I make my public key A private key?

To generate an SSH private/public key pair for your use, you can use the ssh-keygen command-line utility. You can run the ssh-keygen command from the command line to generate an SSH private/public key pair. If you are using Windows, by default you may not have access to the ssh-keygen command.
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