If the Linux system has no kernel problems, the operating system in the production environment cannot easily update the system. However some LTS systems (eg Ubuntu 16.04.4)
In order to continuously improve the system, the automatic update is automatically turned on, as follows, when the author logs in to the console, a restart is required.
Close method
Edit the file The effect after sudo vim /etc/apt/apt.conf.d/10periodic
modification is as shown below
