By HHH
The problem is that I don’t know the password and I have to close PuTTy and connect again to my server everytime.
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How are you logging out of PuTTy? You need to make sure to select your SSH key before connecting back.
I would recommend using an SSH Agent such as Pageant so you would no longer have to worry about selecting your SSH key:
I had the same problem, asking for a password for root. Here is what I did that helped.
Following this tutorial https://www.digitalocean.com/community/tutorials/initial-server-setup-with-ubuntu-14-04, I added my safe user. I went back into root and followed the same steps.
At the step “Add Public Key to New Remote User”
Where it say mkdir .ssh … instead cd .ssh and ls to see the files that are there.
I continued the steps and when I got to nano .ssh/authorized_keys, I saw that my key was not pasted there.
After I added it, it seemed to work… no more asking for a password.
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