AWS EC2 Instance 의 ssh 접근시, OS별 기본 username

https://docs.aws.amazon.com/ko_kr/AWSEC2/latest/UserGuide/managing-users.html

OS/Distro	Official AMI ssh Username	Legacy / Community / Other AMI ssh Usernames
Amazon Linux	ec2-user
Ubuntu	ubuntu	root
Debian	admin	root
RHEL 6.4 and later	ec2-user
RHEL 6.3 and earlier	root
Fedora	fedora	ec2-user, root
Centos	centos	root
SUSE	ec2-user	root
BitNami	bitnami
TurnKey	root
NanoStack	ubuntu
FreeBSD	ec2-user
OmniOS	root

 

※ PPK 만들때, SSH-1(RSA) 를 사용하여 만들어라!!! 그다음 Save private key 클릭!!!!