密鑰對驗證

一：客戶端建立密鑰對 （要區別用戶身份）html [root@localhost ~]# ssh-keygen -t ecdsa     //客戶端生成密鑰對文件 Generating public/private ecdsa key pair. Enter file in which to save the key (/root/.ssh/id_ecdsa): Created directory

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