Cannot login without password even with SSH key












0















I have 2 shell accounts ont 2 different hosts:




  • shell A: shell I want to login using a SSH key (server-A.com)


  • shell B: shell I'm using to login to A without a password but using SSH key (server-B.com)



I emailed the server-A.com sysadmin who gave me the bellow tutorial URLs



I've done the following:




  • Created a private/public SSH key on server-A.com using ssh-keygen -t rsa -C username@server-A.com and put the private key on server-B.com
    in ~/.ssh/server-B.com

  • I ran chmod 700 ~/.ssh/ and chmod 600 ~/.ssh/server-B.com


  • I added server-A.com public key to to ~/.ssh/authorized_keys on server-B.com



    cat ~/.ssh/server-B.com.pub >> ~/.ssh/authorized_keys # on server-B.com




  • I've checked ~/.ssh/config (no) and /etc/ssh/ssh_config which contained the following (other # comment lines not printed)



    # PasswordAuthentication yes
    SendEnv LANG LC_*
    HashKnownHosts yes
    GSSAPIAuthentication yes



    from shell B:
    ssh-keygen -f "/home/username/.ssh/known_hosts" -R server-A.com



    I followed the tutorial on https://kb.iu.edu/d/aews and https://www.digitalocean.com/docs/droplets/how-to/add-ssh-keys/create-with-openssh/




Can you tell me what went wrong ? Thanks.






ssh







share|improve this question

























  • Running your ssh commands with the -vvv option will provide a lot of debugging information that can narrow down the problem.

    – Haxiel
    12 mins ago
















0















I have 2 shell accounts ont 2 different hosts:




  • shell A: shell I want to login using a SSH key (server-A.com)


  • shell B: shell I'm using to login to A without a password but using SSH key (server-B.com)



I emailed the server-A.com sysadmin who gave me the bellow tutorial URLs



I've done the following:




  • Created a private/public SSH key on server-A.com using ssh-keygen -t rsa -C username@server-A.com and put the private key on server-B.com
    in ~/.ssh/server-B.com

  • I ran chmod 700 ~/.ssh/ and chmod 600 ~/.ssh/server-B.com


  • I added server-A.com public key to to ~/.ssh/authorized_keys on server-B.com



    cat ~/.ssh/server-B.com.pub >> ~/.ssh/authorized_keys # on server-B.com




  • I've checked ~/.ssh/config (no) and /etc/ssh/ssh_config which contained the following (other # comment lines not printed)



    # PasswordAuthentication yes
    SendEnv LANG LC_*
    HashKnownHosts yes
    GSSAPIAuthentication yes



    from shell B:
    ssh-keygen -f "/home/username/.ssh/known_hosts" -R server-A.com



    I followed the tutorial on https://kb.iu.edu/d/aews and https://www.digitalocean.com/docs/droplets/how-to/add-ssh-keys/create-with-openssh/




Can you tell me what went wrong ? Thanks.






ssh







share|improve this question

























  • Running your ssh commands with the -vvv option will provide a lot of debugging information that can narrow down the problem.

    – Haxiel
    12 mins ago














0












0








0








I have 2 shell accounts ont 2 different hosts:




  • shell A: shell I want to login using a SSH key (server-A.com)


  • shell B: shell I'm using to login to A without a password but using SSH key (server-B.com)



I emailed the server-A.com sysadmin who gave me the bellow tutorial URLs



I've done the following:




  • Created a private/public SSH key on server-A.com using ssh-keygen -t rsa -C username@server-A.com and put the private key on server-B.com
    in ~/.ssh/server-B.com

  • I ran chmod 700 ~/.ssh/ and chmod 600 ~/.ssh/server-B.com


  • I added server-A.com public key to to ~/.ssh/authorized_keys on server-B.com



    cat ~/.ssh/server-B.com.pub >> ~/.ssh/authorized_keys # on server-B.com




  • I've checked ~/.ssh/config (no) and /etc/ssh/ssh_config which contained the following (other # comment lines not printed)



    # PasswordAuthentication yes
    SendEnv LANG LC_*
    HashKnownHosts yes
    GSSAPIAuthentication yes



    from shell B:
    ssh-keygen -f "/home/username/.ssh/known_hosts" -R server-A.com



    I followed the tutorial on https://kb.iu.edu/d/aews and https://www.digitalocean.com/docs/droplets/how-to/add-ssh-keys/create-with-openssh/




Can you tell me what went wrong ? Thanks.






ssh







share|improve this question
















I have 2 shell accounts ont 2 different hosts:




  • shell A: shell I want to login using a SSH key (server-A.com)


  • shell B: shell I'm using to login to A without a password but using SSH key (server-B.com)



I emailed the server-A.com sysadmin who gave me the bellow tutorial URLs



I've done the following:




  • Created a private/public SSH key on server-A.com using ssh-keygen -t rsa -C username@server-A.com and put the private key on server-B.com
    in ~/.ssh/server-B.com

  • I ran chmod 700 ~/.ssh/ and chmod 600 ~/.ssh/server-B.com


  • I added server-A.com public key to to ~/.ssh/authorized_keys on server-B.com



    cat ~/.ssh/server-B.com.pub >> ~/.ssh/authorized_keys # on server-B.com




  • I've checked ~/.ssh/config (no) and /etc/ssh/ssh_config which contained the following (other # comment lines not printed)



    # PasswordAuthentication yes
    SendEnv LANG LC_*
    HashKnownHosts yes
    GSSAPIAuthentication yes



    from shell B:
    ssh-keygen -f "/home/username/.ssh/known_hosts" -R server-A.com



    I followed the tutorial on https://kb.iu.edu/d/aews and https://www.digitalocean.com/docs/droplets/how-to/add-ssh-keys/create-with-openssh/




Can you tell me what went wrong ? Thanks.






ssh




ssh






share|improve this question















share|improve this question













share|improve this question




share|improve this question








edited 6 mins ago









Haxiel

3,0901919




3,0901919










asked 1 hour ago









user2901196user2901196

92




92













  • Running your ssh commands with the -vvv option will provide a lot of debugging information that can narrow down the problem.

    – Haxiel
    12 mins ago



















  • Running your ssh commands with the -vvv option will provide a lot of debugging information that can narrow down the problem.

    – Haxiel
    12 mins ago

















Running your ssh commands with the -vvv option will provide a lot of debugging information that can narrow down the problem.

– Haxiel
12 mins ago





Running your ssh commands with the -vvv option will provide a lot of debugging information that can narrow down the problem.

– Haxiel
12 mins ago










1 Answer
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There should be a publickey authentication option on the host in the file /etc/ssh/sshd_config. Uncomment and set to yes



Ensure you are editing /etc/ssh/sshd_config on the host, not /etc/ssh/ssh_config. The second files is for clients only






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    There should be a publickey authentication option on the host in the file /etc/ssh/sshd_config. Uncomment and set to yes



    Ensure you are editing /etc/ssh/sshd_config on the host, not /etc/ssh/ssh_config. The second files is for clients only






    share|improve this answer








    New contributor




    colbycdev is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
    Check out our Code of Conduct.

























      0














      There should be a publickey authentication option on the host in the file /etc/ssh/sshd_config. Uncomment and set to yes



      Ensure you are editing /etc/ssh/sshd_config on the host, not /etc/ssh/ssh_config. The second files is for clients only






      share|improve this answer








      New contributor




      colbycdev is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
      Check out our Code of Conduct.























        0












        0








        0







        There should be a publickey authentication option on the host in the file /etc/ssh/sshd_config. Uncomment and set to yes



        Ensure you are editing /etc/ssh/sshd_config on the host, not /etc/ssh/ssh_config. The second files is for clients only






        share|improve this answer








        New contributor




        colbycdev is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
        Check out our Code of Conduct.










        There should be a publickey authentication option on the host in the file /etc/ssh/sshd_config. Uncomment and set to yes



        Ensure you are editing /etc/ssh/sshd_config on the host, not /etc/ssh/ssh_config. The second files is for clients only







        share|improve this answer








        New contributor




        colbycdev is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
        Check out our Code of Conduct.









        share|improve this answer



        share|improve this answer






        New contributor




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        answered 1 hour ago









        colbycdevcolbycdev

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