[CoreOS] CoreOS SSH 설정 변경

Customizing the SSH Daemon

SSH 설정을 변경할 수 있습니다.  

Cloud-Config

#cloud-config   ssh_authorized_keys: - ssh-rsa AAAAB3NzaC1y.....   write_files: - path: /etc/ssh/sshd_config permissions: 0600 owner: root:root content: | # Use most defaults for sshd configuration. UsePrivilegeSeparation sandbox Subsystem sftp internal-sftp PermitRootLogin no AllowUsers core PasswordAuthentication no ChallengeResponseAuthentication no   coreos: units: - name: sshd.socket command: restart content: | [Unit] Description=OpenSSH Server Socket Conflicts=sshd.service [Socket] ExecStartPre=/usr/bin/sleep 5 ListenStream=2022 ReusePort=true FreeBind=true Accept=yes [Install] WantedBy=sockets.target