[GE users] Comunication problem

reuti reuti at staff.uni-marburg.de
Tue May 18 13:51:18 BST 2010


Hi,

Am 17.05.2010 um 15:34 schrieb urhi:

> I can't connect with other users... 
> 
> The problem is the same:
> 
> debug1: Trying private key: /root/.ssh/identity
> debug3: no such identity: /root/.ssh/identity
> debug1: Offering public key: /root/.ssh/id_rsa

I looks like you are still in the root account. It tries now the normal-user account with the ssh-keys of root.

To acess the ssh-keys of the intended user, you have either give the path to the users .ssh directory with the option:

-i ~theuser/.ssh/id_rsa

or change to this user beforehand.

-- Reuti


> debug3: send_pubkey_test
> debug2: we sent a publickey packet, wait for reply
> debug1: Authentications that can continue: publickey,password,keyboard-interactive,hostbased
> debug1: Trying private key: /root/.ssh/id_dsa
> debug3: no such identity: /root/.ssh/id_dsa
> debug2: we did not send a packet, disable method
> debug3: authmethod_lookup keyboard-interactive
> debug3: remaining preferred: password
> debug3: authmethod_is_enabled keyboard-interactive
> debug1: Next authentication method: keyboard-interactive
> 
> Detailed configuration:
> 
> On the GRID Server (ssh client) 
> 
> First of all, i connect with password from server to client, and client to server (and it create the know_hosts file)
> 
> On the SSh-client execute: "ssh-keygen -t rsa" and this create two files id_rsa and id_rsa.pub, on /root/.ssh/
> In /root/.ssh there are:
> Id_rsa
> Id_rsa.pub
> Known_hosts
> 
> Then I Copy the content of the id_rsa.pub, on the authorized_keys file, on windows SSH-server.
> 
> I copied the file inside the home folder of the user that I try to enter. For example "sgeadmin" user, then I copy the authorized_keys in C:\documents and settings\sgeadmin\.ssh\
> 
> And in that folder there are:
> 
> Authorized_keys
> Known_hosts
> 
> It appears me the same error...
> 
> Any idea more?
> 
> Thanks in advance
> 
> Urhi
> 
> 
> 
> 
> 
> 
> Vanessa
> 
> -----Mensaje original-----
> De: reuti [mailto:reuti at staff.uni-marburg.de] 
> Enviado el: viernes, 14 de mayo de 2010 11:32
> Para: users at gridengine.sunsource.net
> Asunto: Re: [GE users] Comunication problem
> 
> Hi,
> 
> Am 13.05.2010 um 16:36 schrieb urhi:
> 
>> <snip>
>> debug1: Trying private key: /root/.ssh/identity
>> debug3: no such identity: /root/.ssh/identity
> 
> root is often (and should be) excluded from an external login. Can you try with a normal user (or supply a user with `ssh user1 at host` / `ssh -l user1 host`?
> 
> -- Reuti
> 
> 
>> debug1: Trying private key: /root/.ssh/id_rsa
>> debug1: read PEM private key done: type RSA
>> debug3: sign_and_send_pubkey
>> debug2: we sent a publickey packet, wait for reply
>> debug1: Authentications that can 
>> debug1: Trying private key: /root/.ssh/id_dsa
>> debug3: no such identity: /root/. continue: publickey,password,keyboard-interactive,hostbased ssh/id_dsa
>> debug2: we did not send a packet, disable method
>> debug3: authmethod_lookup keyboard-interactive
>> debug3: remaining preferred: password
>> debug3: authmethod_is_enabled keyboard-interactive
>> debug1: Next authentication method: keyboard-interactive
>> debug2: userauth_kbdint
>> debug2: we sent a keyboard-interactive packet, wait for reply
>> debug1: Authentications that can continue: publickey,password,keyboard-interactive,hostbased
>> debug3: userauth_kbdint: disable: no info_req_seen
>> debug2: we did not send a packet, disable method
>> debug3: authmethod_lookup password
>> debug3: remaining preferred: 
>> debug3: authmethod_is_enabled password
>> debug1: Next authentication method: password
>> debug3: packet_send2: adding 64 (len 49 padlen 15 extra_pad 64)
>> debug2: we sent a password packet, wait for reply
>> debug1: Authentications that can continue: publickey,password,keyboard-interactive,hostbased
>> Permission denied, please try again.
>> debug3: packet_send2: adding 64 (len 49 padlen 15 extra_pad 64)
>> debug2: we sent a password packet, wait for reply
>> debug1: Authentications that can continue: publickey,password,keyboard-interactive,hostbased
>> Permission denied, please try again.
>> debug3: packet_send2: adding 64 (len 49 padlen 15 extra_pad 64)
>> debug2: we sent a password packet, wait for reply
>> debug1: Authentications that can continue: publickey,password,keyboard-interactive,hostbased
>> debug2: we did not send a packet, disable method
>> debug1: No more authentication methods to try.
>> Permission denied (publickey,password,keyboard-interactive,hostbased).
>> ---------------------------------------------------------------------
>> 
>> 
>> Any idea?
>> 
>> Urhi
>> 
>> 
>> -----Mensaje original-----
>> De: reuti [mailto:reuti at staff.uni-marburg.de] 
>> Enviado el: martes, 11 de mayo de 2010 18:54
>> Para: users at gridengine.sunsource.net
>> Asunto: Re: [GE users] Comunication problem
>> 
>> Hi,
>> 
>> Am 11.05.2010 um 16:28 schrieb urhi:
>> 
>>> I try to install Sun grid engine on a fedora 11, and the clients on windows XP or Windows 7. And I have a problem: the comunication without password with Openssh. I tried with the next configurations:
>>> Server (LINUX) with Client (LINUX) --> OK, comunication without password
>>> Server (WINDOWS) with client (LINUX) --> OK, comunication without password
>>> 
>>> BUT if I try to connect to a Windows from a Fedora server, I can't do it. I do not have any idea... I'm so desperate :(
>> 
>> you can add -v up to three times to shh to increase verbosity and get a hint. Is the id_rsa used at all (sometimes an exact location must be given, in case that they are not at the default location)?
>> 
>> 
>>> 
>>> This is what I do:
>>> 
>>> Install OpenSSH on the windows machine, and create de passwd/group files. I changed the sshd_config file
>>> ...
>>> PermitRootLogin yes
>> 
>> Normally the root account shouldn't be accessible.
>> 
>> 
>>> RSAAuthentication yes
>>> PubkeyAuthentication yes
>>> AuthorizedKeysFile       .ssh/authorized_keys
>>> ...
>>> 
>>> and I make: ssh_keygen -t rsa, on the user home (usually: C:\Documents and settings\user\.ss) I connect with the linux machine with ssh,. and I put the password (Automatically create the know_hosts file on /user/.ssh/ of the server linux)
>>> I copied the content of the id_rsa.pub file from windows to linux. (FROM: C:\documents and settings\user\.ssh\id_rsa-pub TO /user/.ssh/authorized_keys)
>>> Restart the services, and IT DIDN'T WORK.
>> 
>> Do you also use OpenSSH on the Windows machine? Sometimes the generated keys are in a slightly different format between the commerical and OpenSSH version.
>> 
>> You can also try to set up hostbased authentication, as using passphraseless SSH is not a safe way:
>> 
>> http://gridengine.sunsource.net/howto/hostbased-ssh.html
>> 
>> -- Reuti
>> 
>> 
>>> 
>>> Any idea?
>>> 
>>> Thanks in advance.
>>> 
>>> Urhi
>>> 
>> 
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