linux ssh 免密登錄

command

1. ssh-keygen //生成公私鑰
2. ssh-copy-id //拷貝公鑰去目標計算機

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copy public key to dest computer

• method 1

執行 ssh-keygen -t rsa
ssh-copy-id -i ~/.ssh/id_rsa.pub dest_IP

• method 2

scp ~/.ssh/id_rsa.pub root@DEST_IP:/root/.ssh/authorized_keys