linux系统安装报firstboot错,linux – 如何使用systemd-firstboot.service？

我正在制作Debian Jessie的形象.在启动时,系统没有/ etc / machine-id文件.这会导致一些无法启动的日志问题.

我在systemd repo中发现了：

# This file is part of systemd.

#

# systemd is free software; you can redistribute it and/or modify it

# under the terms of the GNU Lesser General Public License as published by

# the Free Software Foundation; either version 2.1 of the License, or

# (at your option) any later version.

[Unit]

Description=First Boot Wizard

Documentation=man:systemd-firstboot(1)

DefaultDependencies=no

Conflicts=shutdown.target

After=systemd-remount-fs.service

Before=systemd-sysusers.service sysinit.target shutdown.target

ConditionPathIsReadWrite=/etc

ConditionFirstBoot=yes

[Service]

Type=oneshot

RemainAfterExit=yes

ExecStart=@rootbindir@/systemd-firstboot --prompt-locale --prompt-timezone --prompt-root-password

StandardOutput=tty

StandardInput=tty

StandardError=tty

应该放在哪里它会运行？

在systemd 215中,ConditionFirstBoot不可用.怎么处理？