Right, so before you send the link I have been following this step-by-step https://www.digitalocean.com/community/tutorials/initial-server-setup-with-ubuntu-16-04#step-four-
I got to the section where it says
Now you will be in your new user’s home directory. Create a new directory called .ssh and restrict its permissions with the following commands: mkdir ~/.ssh chmod 700 ~/.ssh Now open a file in .ssh called authorized_keys with a text editor. We will use nano to edit the file: $ nano ~/.ssh/authorized_keys
however I don’t have that file name in that directory so I created it and pasted my pub ssh key in there as it says, and then followed the tutorial to the end and where it says that I could sign in I tried to and I still get the error:
christian@<ip_addess>: Permission denied (publickey).
but then I noticed it was Ubuntu 16, and I have 18. So I switched to the docs about Ubuntu 18 and there isn’t anything about setting the key, just the firewall. So I am kinda in limbo as to what I can do
at step 5 it says that if password is enabled (which is it) then I can sign in with
christian@<ip_address> which I can’t because I get the error stated above
I can do:
$ ssh root@<ip_address> then enter a password
but I cannot do
$ ssh christian@<ip_address> because of Permission denied(publickey). So I don’t know how to resolve this.
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I will recommend you to check this tutorial on how to setup your ssh keys on Ubuntu 18: https://www.digitalocean.com/community/tutorials/how-to-set-up-ssh-keys-on-ubuntu-1804
Have in mind that you can access your droplet using the console from the control panel and add/enter your key from there.
Let me know if you have any questions.