• When .ssh folder is not created already on server, you need to create folder and change permission with below commands-

    mkdir ~/.ssh chmod 640 ~/.ssh

    now you can create authorized_key file to copy public key on remote linux server.

  • You can add a comment in "Key comment" box to make the more identical.

  • When using sshkey authentication to access internal systems (e.g. through a bastion host) "Allow agent forwarding" must be enabled within the authentication parameters.

  • Hi, I can do a one-time key-based authentication using the above steps but if I quit putty and try to login again, I need to redo all the steps again. how do I make this update global ? also I want superputty to be able to do key-based auth.

  • @hprof After to import file .ppk return session and click button save

  • Server refused our key

    I'm asked "login as". Why would openssh ask for a username if i'm using cryptographic certificates to login ? Also, i'm looking for a solution where the server requires a cryptographic key to login in order to deny brute forcing login attempts through port 22.

  • hi thanks for this tut but i have problem when i use Private key in putty i get Server refused our key

    service ssh status ==> https://ibb.co/bKqWK7

    putty ==>> https://ibb.co/fm6hRn

    iptable ==>> https://ibb.co/dX2iXS

    ufw ==> https://ibb.co/b9XBK7

    ubuntu ip ==>

    windows ip ==>

    share my wifi from ubuntu to windows

  • @jack and @madskr1, are the permissons on your .ssh directory and the authorized_keys file set correct? .ssh needs to be set to 700 and authorized_keys to 600.

  • I carefully applied all 5 steps which you mentioned on this post to connect to Server by the using of Private Keys. Really this post is very helpful for me. Keep sharing this type of post. Resolve your HP Computer related problem at https://hpetechnicalsupportnumber.com/hp-computer-support/

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