prompting for passwords even i configured ssh password less authentication

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http://www.unix.com – There are two servers : 1. Site 2. Testing from site server i want to connect testing server with ssh password less authentication. i generated public and private keys with ssh-keygen -t rsa on site server. cat id_rsa >> authorized_keys cat id_rsa.pub >> authorized_keys i appended id_rsa.pub ( public key site server ) to authorized_keys ( testing server ) with below command . ssh [email protected] "cat >> ~/.ssh/authorized_keys" < ~/.ssh/id_rsa.pub am i missing some point in performing procedure for ssh password less authentication ? because it (HowTos)