[Sussex] SCP - setup problem

[Brendan Whelan]

Hello,
 
I am trying to setup scup to transfer files between two Fedora core 3 systems. I suspect that I am nearly there but I get the following error
 
debug1: SSH2_MSG_SERVICE_ACCEPT received
debug1: Authentications that can continue: publickey,gssapi-with-mic,password

debug1: Next authentication method: gssapi-with-mic

debug1: An invalid name was supplied

Cannot determine realm for numeric host address

debug1: An invalid name was supplied

Cannot determine realm for numeric host address

debug1: Next authentication method: publickey

debug1: Trying private key: /root/.ssh/identity

debug1: Trying private key: /root/.ssh/id_rsa

debug1: Trying private key: /root/.ssh/id_dsa

debug1: No more authentication methods to try.

........................................

........................................

Permission denied

I have a user "bu" on both systems whilst logged in as "bu" I used sshkeygen -t dsa to generate the keys (in /home/bu/.ssh) and then copied the public key to the partner system. There I used cat to include the public key in the authorized_keys file, both in /home/bu/.ssh and /root/.ssh.

My scp command is:

scp -B -v bu at nn.nn.nn.nn:/home/bu/dud.txt /home/bu/dud_copy.txt     where nn.nn.nn.nn is my IP address

If I remove the -B I get prompted for the password and is I enter a value the file is transferred. I suspect that I have got something wrong with the keys but after much playing around I cannot find the problem.

Any suggestions,thanks

Brendan

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