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Demonstration: Connect to Linux virtual machines

In this demonstration, we will create a Linux machine and access the machine with SSL.

Note: Ensure port 22 is open for the connection to work.

Create the SSH Keys

  1. Download the PuTTY tool. This will include PuTTYgen.
  2. Once installed, locate and open the PuTTYgen program.
  3. In the Parameters option group choose RSA.
  4. Click the Generate button.
  5. Move your mouse around the blank area in the window to generate some randomness.
  6. Copy the text of the Public key for pasting into authorized keys file.
  7. Optionally you can specify a Key passphrase and then Confirm passphrase. You will be prompted for the passphrase when you authenticate to the VM with your private SSH key. Without a passphrase, if someone obtains your private key, they can sign in to any VM or service that uses that key. We recommend you create a passphrase. However, if you forget the passphrase, there is no way to recover it.
  8. Click Save private key.
  9. Choose a location and filename and click Save. You will need this file to access the VM.

Create the Linux machine and assign the public SSH key

  1. In the portal create a Linux machine of your choice.
  2. Choose SSH Public Key for the Authentication type (instead of Password ).
  3. Provide a Username.
  4. Paste the public SSH key from PuTTY into the SSH public key text area. Ensure the key validates with a checkmark.
  5. Create the VM. Wait for it to deploy.
  6. Access the running VM.
  7. From the Overview blade, click Connect.
  8. Make a note of your login information including user and public IP address.

Access the server using SSH

  1. Open the PuTTY tool.
  2. Enter username@publicIpAddress where username is the value you assigned when creating the VM and publicIpAddress is the value you obtained from the Azure portal.
  3. Specify 22 for the Port.
  4. Choose SSH in the Connection Type option group.
  5. Navigate to SSH in the Category panel, then click Auth.
  6. Click the Browse button next to Private key file for authentication.
  7. Navigate to the private key file saved when you generated the SSH keys and click Open.
  8. From the main PuTTY screen click Open.
  9. You will now be connected to your server command line.