SSH 服务器不用密码

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1 A: user a<br>ssh-keygen -t rsa

 

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2 Created a directory on B, if ~/.ssh exists, which is fine.<br>a@A:~> ssh b@B mkdir -p .ssh

 

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3 Append this to user b on B ~/.ssh/authorized_keys path.<br>a@A:~> cat .ssh/id_rsa.pub | ssh b@B 'cat >> .ssh/authorized_keys'

 

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4 a@A:~> ssh b@B hostname

 PS: may be you need these

• Put the public key in .ssh/authorized_keys2
• Change the permissions of .ssh to 700
• Change the permissions of .ssh/authorized_keys2 to 640