Why I can't connect through SSH to my EC2 instance? Permission denied
Question
I created EC2 within my VPC that has a public subnet I used standard security group settings
When I try to SSH
ec2_user@3.123.36.129: Permission denied (publickey,gssapi-keyex,gssapi-with-mic).
My route table routes(I have Internet Gateway)
Why did I got denied permission? What should I check regarding my subnet?
1 answers
solution1
1 ACCPTED 2020-01-16 11:53:18
更改 .pem 文件的权限，以便只有 root 用户可以读取它，希望这可能适用于您的情况，因为大多数情况下我们必须授予 pem 文件的权限。
sudo chmod 400 ~/.ssh/ec2private.pem
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