apt update
apt upgrade
export NU=USER
adduser $NU
usermod -aG sudo $NU

• sudo apt install emacs-nox
• if root has correct public cert:
  • sudo cp /root/.ssh/authorized_keys ~/.ssh/. && chown $USER:$USER authorized_keys
• otherwise:
  • mkdir .ssh && chdir .ssh && emacs -nw authorized_keys
  • add public rsa
• logout, login to test that cert is working
• sudo emacs -nw /etc/ssh/sshd.conf and change PasswordAuthentication from yes to no
• sudo systemctl restart sshd.service