systemctl自动启动部分组件出错

hooway040

新手求助：
systemctl自动启动总是有一些组件错误，错误提示为 Network is unreachable，手动启动就没有问题
其中一次的错误日志：
2019-08-22 12:09:59 ERROR (MainThread) [homeassistant.components.notify] Error setting up platform smtp
Traceback (most recent call last):
  File "/usr/local/lib/python3.7/dist-packages/homeassistant/components/notify/__init__.py", line 73, in async_setup_platform
    platform.get_service, hass, p_config, discovery_info
  File "/usr/lib/python3.7/concurrent/futures/thread.py", line 57, in run
    result = self.fn(*self.args, **self.kwargs)
  File "/usr/local/lib/python3.7/dist-packages/homeassistant/components/smtp/notify.py", line 84, in get_service
    if mail_service.connection_is_valid():
  File "/usr/local/lib/python3.7/dist-packages/homeassistant/components/smtp/notify.py", line 138, in connection_is_valid
    server = self.connect()
  File "/usr/local/lib/python3.7/dist-packages/homeassistant/components/smtp/notify.py", line 122, in connect
    mail = smtplib.SMTP_SSL(self._server, self._port, timeout=self._timeout)
  File "/usr/lib/python3.7/smtplib.py", line 1031, in __init__
    source_address)
  File "/usr/lib/python3.7/smtplib.py", line 251, in __init__
    (code, msg) = self.connect(host, port)
  File "/usr/lib/python3.7/smtplib.py", line 336, in connect
    self.sock = self._get_socket(host, port, self.timeout)
  File "/usr/lib/python3.7/smtplib.py", line 1037, in _get_socket
    self.source_address)
  File "/usr/lib/python3.7/socket.py", line 727, in create_connection
    raise err
  File "/usr/lib/python3.7/socket.py", line 716, in create_connection
    sock.connect(sa)
OSError: [Errno 101] Network is unreachable
已经解决：启动systemd-networkd-wait-online.service这个服务就好了，新手对linux不太了解，不知道是什么原理

RobinVP

对应的service 里面，[Unit] 里添加 After=network-online.target

hooway040

RobinVP 发表于 2019-8-22 12:28
对应的service 里面， 里添加 After=network-online.target

一直都添加着呢