update-grml-rescueboot command not found

Introduction

When you run more command in linux terminal / console, you get the following error message

update-grml-rescueboot: command not found

or when using sudo you get the following error message

sudo: update-grml-rescueboot: command not found

Solutions to update-grml-rescueboot: command not found

How To Fix update-grml-rescueboot: command not found in Ubuntu / Debian / Kali Linux / Raspbian

In Ubuntu update-grml-rescueboot is provided by grml-rescueboot package.

grml-rescueboot is:

This package provides a script for update-grub which looks for Grml ISO images in /boot/grml and automatically adds an entry for each image. The purpose is to use one of those images to boot a Grml rescue system without using a CD or USB stick.

To fix this problem, we can install more using the command below.

sudo apt-get -y install grml-rescueboot

This command might take some time to finish depending on your machine internet connection.

You can also use apt command to install grml-rescueboot.

sudo apt -y install grml-rescueboot

Or if you have aptitude installed you can use the following command.

sudo aptitude install grml-rescueboot

Summary

In this tutorial we learn how to fix update-grml-rescueboot command not found error in Ubuntu / Debian / Kali Linux or Raspbian distribution.