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SSH Keys

I followed the steps here and now I am locked out:

https://www.digitalocean.com/community/tutorials/how-to-set-up-ssh-keys--2

In putty do I need to some how upload my key file? What did I do wrong?

I am getting access denied when logging in as root.

ASKER

What seems to mess me up is this step:

PermitRootLogin without-password

I changed the file from the orignal:
PermitRootLogin yes

I am trying to understand: do I need a saved copy of the public key on my (windows based ) laptop?

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ASKER

So when I do this on the cent os box:
ssh-copy-id user@123.45.56.78

I can "ADD" approved "users" and "ips" for login? Is that how this works?

ASKER

Also during the setup in their instructions I added a passpharse. How can I remove that?

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ASKER

I undid that last PermitRootLogin .. and I can login fine. Does that still mean I have SSH enabled? How can I check?

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ASKER

I am running Putty. What is Putty Agent ?

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