转自：https://blog.csdn.net/weixin_45266856/article/details/129754122
是ssh中的key交换算法不兼容导致
ssh报错解决：
vi /etc/ssh/sshd_config
KexAlgorithms diffie-hellman-group1-sha1,diffie-hellman-group14-sha1,diffie-hellman-group-exchange-sha1,diffie-hellman-group-exchange-sha256,ecdh-sha2-nistp256,ecdh-sha2-nistp384,ecdh-sha2-nistp521,diffie-hellman-group1-sha1,curve25519-sha256@libssh.org
service sshd restart
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