ssh-no-passwd

[root@war blog]# cat ~/.ssh/id_rsa.pub | ssh [email protected] -- cat >> ~/.ssh/authorized_keys
[email protected]'s password:
[root@war blog]# eval $(ssh-agent)
Agent pid 1052
[root@war blog]# ssh-add
Identity added: /root/.ssh/id_rsa (/root/.ssh/id_rsa)
[root@war blog]# ssh [email protected]
Last login: Fri Feb  8 21:26:14 2013 from 192.168.1.11
[root@war ~]#