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mkdir ~/.ssh
chmod 700 ~/.ssh
ssh-keygen -t rsa
ssh-keygen -t dsa
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ssh rdb1 cat ~/.ssh/id_rsa.pub >> ~/.ssh/authorized_keys
ssh rdb1 cat ~/.ssh/id_dsa.pub >> ~/.ssh/authorized_keys
ssh rdb2 cat ~/.ssh/id_rsa.pub >> ~/.ssh/authorized_keys
ssh rdb2 cat ~/.ssh/id_dsa.pub >> ~/.ssh/authorized_keys
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