How To Install kexec-tools on Debian 9

In this tutorial we learn how to install kexec-tools on Debian 9. kexec-tools is tools to support fast kexec reboots

Introduction

In this tutorial we learn how to install kexec-tools on Debian 9.

What is kexec-tools

kexec-tools is:

This package provides tools to load a kernel into memory and then “reboot” directly into that kernel using the kexec system call, bypassing the normal boot process.

There are three methods to install kexec-tools on Debian 9. We can use apt-get, apt and aptitude. In the following sections we will describe each method. You can choose one of them.

Install kexec-tools Using apt-get

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

sudo apt-get update

After updating apt database, We can install kexec-tools using apt-get by running the following command:

sudo apt-get -y install kexec-tools

Install kexec-tools Using apt

Update apt database with apt using the following command.

sudo apt update

After updating apt database, We can install kexec-tools using apt by running the following command:

sudo apt -y install kexec-tools

Install kexec-tools 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 kexec-tools using aptitude by running the following command:

sudo aptitude -y install kexec-tools

How To Uninstall kexec-tools on Debian 9

To uninstall only the kexec-tools package we can use the following command:

sudo apt-get remove kexec-tools

Uninstall kexec-tools And Its Dependencies

To uninstall kexec-tools and its dependencies that are no longer needed by Debian 9, we can use the command below:

sudo apt-get -y autoremove kexec-tools

Remove kexec-tools Configurations and Data

To remove kexec-tools configuration and data from Debian 9 we can use the following command:

sudo apt-get -y purge kexec-tools

Remove kexec-tools configuration, data, and all of its dependencies

We can use the following command to remove kexec-tools configurations, data and all of its dependencies, we can use the following command:

sudo apt-get -y autoremove --purge kexec-tools

Dependencies

kexec-tools have the following dependencies:

References

Summary

In this tutorial we learn how to install kexec-tools package on Debian 9 using different package management tools: apt, apt-get and aptitude.