cat /var/lib/coreos-install/user_data
#cloud-config
write_files:
- path: "/etc/ssh/sshd_config"
permissions: "0600"
owner: "root:root"
content: |
# Use most defaults for sshd configuration.
Subsystem sftp internal-sftp
ClientAliveInterval 180
UseDNS no
UsePAM yes
PrintLastLog no # handled by PAM
PrintMotd no # handled by PAM
PermitRootLogin no
MaxAuthTries 1
PasswordAuthentication no
ChallengeResponseAuthentication no
AllowUsers kasuga
RTFM https://gist.github.com/YungSang/73148282c1a081adb2ba