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create_user_ubuntu.md

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  • sudo adduser albi # create new user
  • sudo usermod -aG sudo albi # add user to sudo group
    • if you got this error sudo: unable to resolve host localhost.localdomain: Name or service not known
    • run this sudo nano /etc/hosts and add 127.0.0.1 localhost.localdomain localhost
  • sudo mkdir /home/albi/.ssh/ # create .ssh directory
  • sudo chmod 0700 /home/albi/.ssh/ # change .ssh directory permission
  • sudo -- sh -c "echo 'YOURSSHKEY' > /home/albi/.ssh/authorized_keys" # create authorized_keys file with public key
  • PasswordAuthentication no change in /etc/ssh/sshd_config