linux
ssh ec2-user@xxx.xxx.xxx.xxx.
[root@redhat86 ~]# ssh ec2-user@xxx.xxx.xxx.xxx
The authenticity of host ‘xxx.xxx.xxx.xxx (xxx.xxx.xxx.xxx)’ can’t be established.
ECDSA key fingerprint is xxxxxxxxxxxxxxxxxxxxxxxxx.
Are you sure you want to continue connecting (yes/no/[fingerprint])? yes
Warning: Permanently added ‘xxx.xxx.xxx.xxx’ (ECDSA) to the list of known hosts.
ec2-user@xxx.xxx.xxx.xxx: Permission denied (publickey,gssapi-keyex,gssapi-with-mic).
上传ec2创建时候使用的key文件到/root/awskey目录
[root@redhat86 ~]# cd awskey/
[root@redhat86 awskey]# ls
[root@redhat86 awskey]# ll
total 4
-rw-r–r–. 1 root root 1678 Oct 27 10:01 redis.pem
[root@redhat86 awskey]#
[root@redhat86 awskey]# ssh -i redis.pem ec2-user@xxx.xxx.xxx.xxx
@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@
@ WARNING: UNPROTECTED PRIVATE KEY FILE! @
@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@
Permissions 0644 for ‘redis.pem’ are too open.
It is required that your private key files are NOT accessible by others.
This private key will be ignored.
Load key “redis.pem”: bad permissions
ec2-user@xxx.xxx.xxx.xxx: Permission denied (publickey,gssapi-keyex,gssapi-with-mic).
[root@redhat86 awskey]#
[root@redhat86 awskey]# chmod 0400 redis.pem
[root@redhat86 awskey]# ll
total 4
-r——–. 1 root root 1678 Oct 27 10:01 redis.pem
[root@redhat86 awskey]#
[root@redhat86 awskey]# ssh -i redis.pem ec2-user@xxx.xxx.xxx.xxx
[ec2-user@ip-xxx.xxx.xxx.xxx ~]$
成功登录
==========================================================================================
windows
cmd line
C:\Users\xxxxx>ssh -i D:\1_AWS\EC2\redis.pem ec2-user@xxx.xxx.xxx.xxx
@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@
@ WARNING: UNPROTECTED PRIVATE KEY FILE! @
@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@
Permissions for ‘D:\\1_AWS\\EC2\\redis.pem’ are too open.
It is required that your private key files are NOT accessible by others.
This private key will be ignored.
Load key “D:\\1_AWS\\EC2\\redis.pem”: bad permissions
ec2-user@xxx.xxx.xxx.xxx: Permission denied (publickey,gssapi-keyex,gssapi-with-mic).
C:\Users\Dell>
redis.pem属性–安全中只留owner
原文地址：http://www.cnblogs.com/goldtree358/p/16832716.html
