hosta ssh 到hostb 免密碼linux
將hosta的pub key 添加到hostb的authorized_keys中ssh
$ ssh-keygen -t rsa $ cat ~/.ssh/id_rsa.pub
略,能夠經過scpcode
檢查.ssh目錄是700,authorized_keys是600 不然仍是會讓你輸入密碼登錄
將hostb的pub key添加到a的authorized_keys中date
$ ssh user01@hosta date
複製pub key 能夠經過ssh-copy-id命令rsa
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