不用密码直接用ssh 登入到远端电脑(RAS/DSA认证)
ssh myusername@server1password:ssh myusername@server2# you should not be prompted for a password!?
That is all!
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来源:http://myadventuresincoding.wordpress.com/2011/12/22/linux-how-to-ssh-between-two-linux-computers-without-needing-a-password/
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