ssh : Permission denied (publickey)

Dear !!

I created droplet 2 weeks ago. I followed the using ssh guide, creating ssh key, adding ssh key for security on digitalocean. I have logined the system everyday since setup.

But Today I try . : ssh root@IP address, I found the following message. Permission denied (publickey).

I searched all question, but not working.

Please help me.

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For others looking for more information, refer to this document on the DO Docs: Manually from the Droplet without Password-Based Access Any SSH public keys that you add to you DO account (in Account > Settings > Security tab) are only applied to the droplet when it is created. If you already have a droplet up and running and you are trying to add any additional SSH public keys you will have to follow the article I linked above. It helped me solve the problem of “Permission denied (publickey)”

When I created my very first droplet, I encountered the same error.

The solution was: 0. Generate a keypair in localhost using “ssh-keygen” and press <Enter> for the rest.

  1. Add a public key to your account settings with name “”.
  2. Create the droplet after <1>. Make sure to check the checkbox to use existing pub key.
  3. After droplet creation, log in as usual “ssh root@<droplet_ip>”

Hope it helps. Vu