WARNING: REMOTE HOST IDENTIFICATION HAS CHANGED!

Add correct host key in /root/.ssh/known_hosts to get rid of this message.

Offending ED25519 key in /root/.ssh/known_hosts:19

将 /root/.ssh/known_hosts 文件中的 19 删除

ssh-keyscan -t ed25519 10.25.9.11 >> /root/.ssh/known_hosts
vi /root/.ssh/known_hosts

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cat ~/.ssh/id_rsa.pub | ssh root@10.25.9.11 "umask 077; mkdir -p .ssh ; cat >> .ssh/authorized_keys"

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