How To: Create SSH Keys and apply to a User

Question

How can I create SSH keys for users and use it as authentication aside from password?

Reasoning

SSH Key Authentication is more secure than Password authentication.

Answer

Follow the below steps-by-steps procedure.

Steps

1. Login to your Titan NexGen Server.
2. Navigate to your Server > Services > SSH/SFTP
3. Click Manage Host Keys
4. Click b > Choose what type of Keys you would like to use (RSA, DSA, ECDSA)

1. If you are new, you can use RSA

5. Choose what Key Size you would like, for RSA minimum of 2048.
6. Enter a Host Key Name of your choice
7. Click Add

1. You should see something like this:

8. Make sure you can see the Key you just created. Once validated that it has been created, click Close.
   
9. Check the checkbox for Enable Public Key authentication and you may also check Kick users who present an incorrect SSH Host Key , and to apply the changes click Apply at the upper right of the screen, then click OK
   
   
10. To apply it on the users. Go to Server > Users> Choose the user you wanted to change the settings and click the pencil icon, then choose Edit User Services
    

11. In the User Services Window, choose SSH/SFTP
12. Then check the checkbox for the SSH User Host Keys that the user will use to login, then click Apply