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

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操作环境

Docker

Centos7

问题描述

在Docker中新建centos 7 container，sshd进程启动后，通过docker 宿主机ssh连接该container，提示信息：

[root@centos-cloudera-1 ~]# ssh 10.10.200.4The authenticity of host '10.10.200.4 (10.10.200.4)' can't be established.ECDSA key fingerprint is SHA256:Xn2tjX3zW88QjDbirg7a1K39jYYvCz2Vd13iiehP2p0.ECDSA key fingerprint is MD5:1d:76:e4:ec:59:70:8c:7d:da:4b:e9:d7:f2:d0:4b:47.Are you sure you want to continue connecting (yes/no)? yesWarning: Permanently added '10.10.200.4' (ECDSA) to the list of known hosts.Permission denied (publickey,gssapi-keyex,gssapi-with-mic).

解决方法

1.通过yum删除现有的openssh-server，然后重新安装openssh-server

#yum -y remove openssh-server#yum -y install openssh-server

2.设置密钥

#sshd-keygen

3.修改sshd_config配置文件中的PubkeyAuthentication选项，设置该选项值为yes

PubkeyAuthentication yes

4.启动sshd

#/usr/sbin/sshd

5.通过其他服务器连接该container

[root@centos-cloudera-1 ~]# ssh 10.10.200.4root@10.10.200.4's password:

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