How To Install shutdown-at-night on Debian 12

Learn how to install shutdown-at-night on Debian 12 with this tutorial. shutdown-at-night is System to shut down clients at night, and wake them in the morning

Introduction

In this tutorial we learn how to install shutdown-at-night on Debian 12.

What is `shutdown-at-night`

shutdown-at-night is:

With this tool you can schedule regular shutdowns of workstations in the evening, and also wake them up every morning, using either nvram-wakeup, ACPI wakeup or wake-on-lan.

For the wake-on-lan wake-up sequence you need one awake machine on your local network / subnet. This can be a server machine or a client machine that got just previously woken up by nvram-wakeup.

The shutdown sequence will be initiated hourly after 4pm via a CRON job. However, only machines that appear inactive / unused will be shut down. Machines that are currently in use will remain up and running.

The Shutdown-at-Night tool can be activated via a config file or via membership in a NIS netgroup called shutdown-at-night-hosts.

There are three methods to install shutdown-at-night on Debian 12. We can use apt-get, apt and aptitude. In the following sections we will describe each method. You can choose one of them.

Install shutdown-at-night Using apt-get

Update apt database with apt-get using the following command.

sudo apt-get update

After updating apt database, We can install shutdown-at-night using apt-get by running the following command:

sudo apt-get -y install shutdown-at-night

Install shutdown-at-night Using apt

Update apt database with apt using the following command.

sudo apt update

After updating apt database, We can install shutdown-at-night using apt by running the following command:

sudo apt -y install shutdown-at-night

Install shutdown-at-night Using aptitude

If you want to follow this method, you might need to install aptitude first since aptitude is usually not installed by default on Debian. Update apt database with aptitude using the following command.

sudo aptitude update

After updating apt database, We can install shutdown-at-night using aptitude by running the following command:

sudo aptitude -y install shutdown-at-night

How To Uninstall shutdown-at-night on Debian 12

To uninstall only the shutdown-at-night package we can use the following command:

sudo apt-get remove shutdown-at-night

Uninstall shutdown-at-night And Its Dependencies

To uninstall shutdown-at-night and its dependencies that are no longer needed by Debian 12, we can use the command below:

sudo apt-get -y autoremove shutdown-at-night

Remove shutdown-at-night Configurations and Data

To remove shutdown-at-night configuration and data from Debian 12 we can use the following command:

sudo apt-get -y purge shutdown-at-night

Remove shutdown-at-night configuration, data, and all of its dependencies

We can use the following command to remove shutdown-at-night configurations, data and all of its dependencies, we can use the following command:

sudo apt-get -y autoremove --purge shutdown-at-night

Dependencies

shutdown-at-night have the following dependencies:

References

Summary

In this tutorial we learn how to install shutdown-at-night package on Debian 12 using different package management tools: apt, apt-get and aptitude.