做免密登录传输文件的时候报错：ERROR: Host key verification failed.：解决方法

报错信息：

 在做好公钥以后，准备进行传输到另一台机器的时候，发生了报错。

报错原因：

1、在CSDN上面找到了问题的根源，是因为/root/.ssh/known_hosts文件里面有传输错误的记录。

2、没有记录的都可以正常传输，至此才找到问题的解决办法。

解决方法：

1、切换到/root/.ssh/：

[root@k8s-master01 ~]# cd /root/.ssh/
[root@k8s-master01 .ssh]# ll
total 16
-rw-------  1 root root 1195 Apr  6 03:56 authorized_keys
-rw-------. 1 root root 1675 Apr  6 03:56 id_rsa
-rw-r--r--. 1 root root  399 Apr  6 03:56 id_rsa.pub
-rw-r--r--  1 root root 1570 Apr  6 03:56 known_hosts

2、找到known_hosts文件，进入：

[root@k8s-master01 .ssh]# vim known_hosts

k8s-master02 ecdsa-sha2-nistp256 AAAAE2VjZHNhLXNoYTItbmlzdHAyNTYAAAAIbmlzdHAyNTYAAABBBJIgNyJq9mJps72paESq6nfRVbcs0cSaD/AGeWPTCSyl2IAsfkbvwZe7L5hdBL76NylspcxPnHhq53tspRtNjy4=
k8s-master03 ecdsa-sha2-nistp256 AAAAE2VjZHNhLXNoYTItbmlzdHAyNTYAAAAIbmlzdHAyNTYAAABBBMLNuBDmO6ZObI+pkUtagbHwN5inDhST+LaKMhpxtplB/TV+Ce3puZbrsl8vGRaM7rEEq6mFziHfScGw2xqifSg=
192.168.1.5 ecdsa-sha2-nistp256 AAAAE2VjZHNhLXNoYTItbmlzdHAyNTYAAAAIbmlzdHAyNTYAAABBBN4l62XeL0DIoZwhpg6xlKQ5ZWpir2AQo8HwI4YGw26Dlsis5oNw0/xb8jIBj8o8dGSrTh3fnexq6d/LgZm7DnU=
192.168.1.6 ecdsa-sha2-nistp256 AAAAE2VjZHNhLXNoYTItbmlzdHAyNTYAAAAIbmlzdHAyNTYAAABBBDaC79YOclqgKv361OPWWoWlEhkm5aKjGfRQam66ZxLRDsZC8nJWbvivfDXQnfNRmyC3wBnOI1nbsJ8sTtsxLIQ=
192.168.1.3 ecdsa-sha2-nistp256 AAAAE2VjZHNhLXNoYTItbmlzdHAyNTYAAAAIbmlzdHAyNTYAAABBBJIgNyJq9mJps72paESq6nfRVbcs0cSaD/AGeWPTCSyl2IAsfkbvwZe7L5hdBL76NylspcxPnHhq53tspRtNjy4=
k8s-master01,192.168.1.2 ecdsa-sha2-nistp256 AAAAE2VjZHNhLXNoYTItbmlzdHAyNTYAAAAIbmlzdHAyNTYAAABBBCxJMmlc9ZI7uSB31HrYEyBsr3NjJvXF6Ym3JPv2dS9//7Aj+rbDexnTpce1DQ94v8TfTSQ6+vP6lW3scnFcqsI=
192.168.1.4 ecdsa-sha2-nistp256 AAAAE2VjZHNhLXNoYTItbmlzdHAyNTYAAAAIbmlzdHAyNTYAAABBBMLNuBDmO6ZObI+pkUtagbHwN5inDhST+LaKMhpxtplB/TV+Ce3puZbrsl8vGRaM7rEEq6mFziHfScGw2xqifSg=
k8s-node01 ecdsa-sha2-nistp256 AAAAE2VjZHNhLXNoYTItbmlzdHAyNTYAAAAIbmlzdHAyNTYAAABBBN4l62XeL0DIoZwhpg6xlKQ5ZWpir2AQo8HwI4YGw26Dlsis5oNw0/xb8jIBj8o8dGSrTh3fnexq6d/LgZm7DnU=
k8s-node02 ecdsa-sha2-nistp256 AAAAE2VjZHNhLXNoYTItbmlzdHAyNTYAAAAIbmlzdHAyNTYAAABBBDaC79YOclqgKv361OPWWoWlEhkm5aKjGfRQam66ZxLRDsZC8nJWbvivfDXQnfNRmyC3wBnOI1nbsJ8sTtsxLIQ=

3、哪台机器传输的时候报错就删哪台机器的记录，最后保存退出，然后再次尝试，即可。