AWS 초기세팅(계정생성, 개인키공개키 로그인)

 sudo useradd pbwzo
 sudo vi /etc/sudoers
	pbwzo    ALL=(ALL)       NOPASSWD: ALL
sudo su pbwzo
 cd /home/pbwzo/
ssh-keygen -t rsa
vi .ssh/id_rsa.pub (기존파일복사)
cp .ssh/id_rsa.pub .ssh/authorized_keys
sudo chmod 700 .ssh/ -R
sudo chmod 600 .ssh/authorized_keys