http://cfm.gs.washington.edu/security/ssh/client-pkauth/ I followed the article above to try to configure SSH login without password or using public key On the Client named Client1 and under username "chee" I generate a pri and pub key and passphrase of abc123 chee@client1$ mkdir ~/.ssh chee@client1$ chmod 700 ~/.ssh client1$ ssh-keygen -q -f ~/.ssh/id_rsa -t rsa Enter passphrase (empty for no passphrase): abc123 Enter same passphrase again: abc123 On SSH server named server2, I have username "chee" as well and I create .ssh under home directory and scp the public to the directory and rename it as authorized_keys2 and authorized_keys for pro1 and 2 chee@client1$scp id_rsa.pub chee@server2:~/.ssh/authorized_keys2 and it was shown in the /home/chee/.ssh/authorized_keys2 and /home/chee/.ssh/authorized_keys2 with proper right but when I do the next step , I got the following error. Why ?? What's wrong? [chee@client1 .ssh]$ ssh -o PreferredAuthentications=publickey server2 Permission denied (publickey,gssapi-with-mic,password). May I know if I specify an empty passphrase , by right I should be able to SSH from client1 to server2 with "ssh server2" after copying the public key of client1 to server2's ~/.ssh/authorized_keys2. Is that correct ?? __________________________________ Start your day with Yahoo! - Make it your home page! http://www.yahoo.com/r/hs