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VCL provides the ability for end users to authenticate to Linux environments using SSH identity keys. The user must first create an SSH key pair (private and public) before proceeding with the steps below. See the following link for information Search online for a tutorial on creating and using SSH key pairs, here are a few.

http://www.linuxproblem.org/art_9.html

PuTTygen Instructions

ssh-keygen instructions from oracle

Once SSH key pairs are created, perform the following steps to enable this feature for your VCL account.
1. Go to your VCL "User Preferences".
2. Select "General Preferences".
3. Click the Enable radio button under Use public key authentication
  for SSH logins
4. Paste the contents of your public key file in the "Public keys" box.
5. Click the "Submit General Preferences" button.

On your next VCL reservation, your public key will be inserted onto the assigned machine.

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