SSH失败：Permission denied (publickey,gssapi-keyex,gssapi-with-mic).

一、表象

二、分析

1. 由报错信息可以看出“公钥”是错误的
   1. 检查 **服务器 **~/.ssh/authorized_keys文件公钥配置
2. 也有可能是配置问题，解决问题如下
   

三、解决

vim /etc/ssh/sshd_config
# 增加如下修改:
PasswordAuthentication yes

# 之后重启
systemctl restart sshd

# 注意：如果你喜欢用root用户登入的话，要确保
vim /etc/ssh/sshd_config
PermitRootLogin yes

# 之后重启
systemctl restart sshd

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