1

ssh-keygen -t rsa -b 4096 -C "dvdbr3o@qq.com"

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2

#!/bin/nu
open ~/.ssh/id_rsa.pub | ssh username@host "mkdir -p ~/.ssh && cat >> ~/.ssh/authorized_keys"

1
2

#!/bin/bash
cat ~/.ssh/id_rsa.pub | ssh username@host "mkdir -p ~/.ssh && cat >> ~/.ssh/authorized_keys"