Linux_ configuring three virtual machines for password-free login

• Generate public and private keys directly above the NODE01

  • Ssh-keygen--"return to the car."

    • Ll-a to see that an. ssh file has been generated

  • Copy this node01 's public key to the second machine

    • Ssh-copy-id [email protected]

  • Copy the public key to itself and the third machine

  • Repeat this step for the other two machines

• If you meet the input yes/no situation later, regenerate the key or send the current secret key to the other two machines directly

Linux_ configuring three virtual machines for password-free login