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server 1 which dials into server 2

ssh-keygen -t dsa -b 1024 (no password)
scp id_dsa.pub user@server2.com:/home/user/.ssh

server2:

[~/.ssh]# cat id_dsa.pub >> ./authorized_keys

But when I do ssh user@server2.com I get:

other-boxes-user@server2.com's password:

EDIT:

server1: ssh-keygen -t dsa -b 1024 (no password)
server1: ssh-copy-id -i ~/.ssh/id_dsa server2user@server2.com
server1: ssh server2user@server2.com -- get promoted for a password

How do I get the correct user used so I can login with no password?

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3 Answers 3

up vote 1 down vote accepted

The permissions on the .ssh directory and/or the files within it are wrong on the remote server.

You can fix these manually yourself, or just use the ssh-copy-id utility to copy your public keys over to the server. This will also fix any broken permissions of this type.

ssh-copy-id -i ~/.ssh/id_dsa user@server2.com

If you still have trouble, you need to look at sshd debug logs on the server.

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Below steps might help you

server 1 ssh-keygen -t dsa -b 1024 (no password)

scp id_dsa.pub user@server2.com:/home/user/.ssh

cat ~/.ssh/id_dsa.pub | ssh user@remotehost 'cat >> ~/.ssh/authorized_keys'

chmod -R 700 /home/user/.ssh

chmod -R 600 /home/user/.ssh/authorized_keys

Server2

chmod -R 600 /home/user/.ssh/authorized_keys

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1 - Where exactly are you adding the public key id_dsa.pub? Could it be you are appending it to /root/.ssh/authorized_keys instead of in /home/user/.ssh/authorized_keys on server2? Make sure you place it in the authorized_keys of the respective user.

2 - permissions (as suggested by Michael)

chmod  700  /home/user/.ssh
chmod 600 /home/user/.ssh/authorized_keys

3 - server1: use the following command to connect.

  ssh -i /home/user/.ssh/id_dsa user@server2.com
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thanks. corrected. –  Daniel t. Feb 14 '13 at 2:57

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