Overview

This is our developer docs about How to Set up SSH keys

Setup

1. Create the RSA Key Pair

   ssh-keygen -t rsa
   

2. Copy the Public key

   ssh-copy-id demo@198.51.100.0
   

Note

• After enalbe Ufw then default SSH Connection is disabled. If you want continue using SSH connect to server, you must enable SSH connection. https://www.digitalocean.com/community/tutorials/how-to-set-up-a-firewall-with-ufw-on-ubuntu-16-04

  sudo ufw allow ssh
  sudo ufw allow 22
  

• With Digital Ocean, copy the Public key default is cannot. If you want copy the public key to server, you must do it

  Log in as root
  Edit ssh config: 
  sudo nano /etc/ssh/sshd_config
  
  Change this line:
  PasswordAuthentication no
  to
  PasswordAuthentication yes
  
  Restart daemon: 
  sudo systemctl restart sshd