Add public key for users

To add public keys for the existing users

• switch to substitute user

  • sudo su -

• Navigate to home directory

  • cd /home Should be able to see a home directory for each user there

• Navigate to the home directory of the user

  • cd arman

• Navigate to the .ssh folder of the user

  • cd .ssh

• Add the ssh key to the authorized key file

  • nano authorized_keys