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I purchased a VPS from namecheap and now I am trying to ssh in to it (Ultimate goal is to set up Ghost Blogging Platform on it).

I tried the following command - 

$ ssh root@_ip_address_to_my_vps_

I get the following error - 

The authenticity of host '_ip_address_to_my_vps_ (_ip_address_to_my_vps_)'
can't be established.
ECDSA key fingerprint is _fingerprint_redacted_.
Are you sure you want to continue connecting (yes/no)? y
Host key verification failed.

Yes, I know that there are tons of "host key verification failed" threads out there. But none of the solutions work. They all ask to generate the ssk key which I did as follows - 

$ ssh-keygen -R _ip_address_to_my_vps_

The output indicates that the know_hosts file was updated but I continue to get the same error.

Any idea what I still haven't done?

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2 Answers 2

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On debian (and as far as I remember on 14.04 too) we have to type the full word "yes" instead of just "y" to answer the question "Are you sure you want to continue connecting (yes/no)?".

Otherwise there is a prompt telling "Please type 'yes' or 'no':"

Typing a full "yes" may be your solution (although the lack of error message is strange).

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  • No. Does not work.
    – callmekatootie
    Feb 17, 2015 at 15:08
  • By the way, "ssh-keygen -R " does not generate a new key, it does delete any previously recorded public keys for this server (at least for this IP), cf man ssh-keygen.
    – Quentin
    Feb 17, 2015 at 17:21
  • You should not use this command everytime in your case, your problem is the exact opposite (you do not have a recorded public key, hence the error "The authenticity ... can't be established."
    – Quentin
    Feb 17, 2015 at 17:26
  • Anyway, the behaviour of your ssh client is strange. What is the version installed on your computer ? (apt-cache policy openssh-client)
    – Quentin
    Feb 17, 2015 at 17:29
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I normally use something like

ssh-keygen -t rsa

without the ip address of the vps like you did and it works for me. From the ssh-keygen manpage:

-R hostname Removes all keys belonging to hostname from a known_hosts file. This option is useful to delete hashed hosts (see the -H option above).

Which I don't think is what you want

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