相关疑难解决方法(0)

我想知道谁在我的 debian-jessie 中开始无人值守升级：

1. 我的手册页

   DESCRIPTION
      This program can download and install security  upgrades  automatically
      and  unattended,  taking care to only install packages from the config?
      ured APT source, and checking for dpkg prompts about configuration file
      changes. All output is logged to /var/log/unattended-upgrades.log.
      This  script  is  the backend for the APT::Periodic::Unattended-Upgrade
      option and designed to be run from cron (e.g. via /etc/cron.daily/apt).
   

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2. 但是我的 crontab 没有通过 crontab 命令显示任何内容：

   @stefano:/etc/cron.daily$ crontab -l
   no crontab for stefano
   # crontab -l
   no crontab for …

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