# 错误信息
C:\Users\ychen>ssh -p 22 root@xxx.xxx.xxx.xxx
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@ WARNING: REMOTE HOST IDENTIFICATION HAS CHANGED! @
@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@
IT IS POSSIBLE THAT SOMEONE IS DOING SOMETHING NASTY!
Someone could be eavesdropping on you right now (man-in-the-middle attack)!
It is also possible that a host key has just been changed.
The fingerprint for the ED25519 key sent by the remote host is
SHA256:76nsecMRxJpPD3cXLR56fzwLhZLCNT9GfhtG/NIVuJQ.
Please contact your system administrator.
Add correct host key in C:\\Users\\ychen/.ssh/known_hosts to get rid of this message.
Offending ED25519 key in C:\\Users\\ychen/.ssh/known_hosts:10
ED25519 host key for 124.222.5.107 has changed and you have requested strict checking.
Host key verification failed.
# 解决方案
C:\Users\ychen>ssh-keygen -R xxx.xxx.xxx.xxx
# 错误信息
# Host xxx.xxx.xxx.xxx not found in /c/Users/xxx/.ssh/known_hosts
# 解决方案
# 进入/c/Users/xxx/.ssh目录，将known_hosts删掉或者改成known_hosts.bak
# 错误信息
# Permission denied (publickey,gssapi-keyex,gssapi-with-mic)
# 解决方案
# 登录 -> 编辑如下
sudo vi /etc/ssh/sshd_config
# 修改为如下
PasswordAuthentication yes
# 重启
sudo systemctl restart sshd
