[Linux] Shell Script로 Password 변경

CentOS

sed -i "s|PasswordAuthentication no|PasswordAuthentication yes|g" /etc/ssh/sshd_config
systemctl restart sshd
echo '<password>' | passwd --stdin ec2-user

Ubuntu

sed -i "s|PasswordAuthentication no|PasswordAuthentication yes|g" /etc/ssh/sshd_config
systemctl restart sshd
echo '<ubuntu:password>' | chpasswd