SSH in BatchMode

[Emilio Casbas]

Vikas Rawat wrote:
>> Hi All,
>>
>> We have a requirement of connecting two linux machines for executing
>> some scripts. These script will invoke SSH command to login to the
>> remote linux machine and execute some commands. We are able to do so
>> manually, but in batch mode (via scripts), we are prompted for a
>> password. To avoid it, the documentation for SSH says
>>
>> 1. Log in to the remote linux machine once manually, to store the RSA
>> key of the remote machine. After completing the step, we cross checked
>> and the key is rightly stored in /etc/ssh/known_hosts
>>
>> 2. Generate the RSA/DSA keys on the client machine and copy the public
>> keys on the remote machine. The public keys should be copied to a file
>> ~/.ssh/authorized_keys on the remote machine. We have done this as
>> well. 
>>
>> 3. We have also changed the file/directory permission for ~/.ssh &
>> ~/.ssh/authorized_key to be read-write for user only by executing 
>>     
>>> chmod -R 600 .ssh
>>>       
>> 4. Additionally, we have created ~/.ssh/known_hosts at the client
>> machine containing the RSA public key of remote linux machine.
>>
>> As per the documentation, we should now be able to login on the remote
>> linux machine without being prompted for the password. For us, we
>> still get a Permission denied error i.e. after invoking the following
>> command on client
>>     
>>> ssh -2o BatchMode=true -l <usrlogin> <remoteLinuxMachine>
>>>       
>> It results in 
>>     
>>> Permission denied (publickey,gssapi-with-mic,password)
>>>       
>> Anyone has any idea on how to get through this problem.
>>
>> The concerned files containing the appropriate debug/configuration
>> information are attached.
>>
>> Regards,
>> Vikas
>>
>>  <<ssh-debug3.log>>  <<remote.sshd_config>>  <<sshd-ddd.log>>  
>> <<client.ssh_config>> 
>>     

Although is in spanish you can try with
http://logadmin.blogspot.com/2006/05/ssh-con-clave-pblica.html
only with the bold letter would be sufficient.

Regards.
Emilio C.