AWS SSH connection error: Permission denied (publickey)

Question

Im trying to connect to my EC2 instance with SSH and Iḿ getting crazy. I have read this post and tried all user combinations:

AWS ssh access 'Permission denied (

Answer 1

Another thing to check is PermitRootLogin and AllowUsers in /etc/ssh/sshd_config.

This debug1: key_parse_private2: missing begin marker appears even after successful key authorization if your user access restricted.