How To Install chkboot on Ubuntu 22.04
Introduction
In this tutorial we learn how to install chkboot
on Ubuntu 22.04.
What is chkboot
chkboot is:
chkboot is a set of scripts that will display a notification (console or graphical) when boot files are tempered with.
This tool is indented to be used on encrypted disks. In order to get the operating system to run, parts of the boot process must remains un-encrypted. chkboot checks that those files have not changed between reboots.
Since the scripts and the data they generate are stored on the encrypted part of the disk, any attempts to modify the boot partition between reboots will be detected.
Please note that this tool is not effective against rootkit that hides every boot files modifications or prevents chkboot from functioning properly.
There are three methods to install chkboot
on Ubuntu 22.04. We can use apt-get
, apt
and aptitude
. In the following sections we will describe each method. You can choose one of them.
Install chkboot Using apt-get
Update apt database with apt-get
using the following command.
sudo apt-get update
After updating apt database, We can install chkboot
using apt-get
by running the following command:
sudo apt-get -y install chkboot
Install chkboot Using apt
Update apt database with apt
using the following command.
sudo apt update
After updating apt database, We can install chkboot
using apt
by running the following command:
sudo apt -y install chkboot
Install chkboot 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 Ubuntu. Update apt database with aptitude
using the following command.
sudo aptitude update
After updating apt database, We can install chkboot
using aptitude
by running the following command:
sudo aptitude -y install chkboot
How To Uninstall chkboot on Ubuntu 22.04
To uninstall only the chkboot
package we can use the following command:
sudo apt-get remove chkboot
Uninstall chkboot And Its Dependencies
To uninstall chkboot
and its dependencies that are no longer needed by Ubuntu 22.04, we can use the command below:
sudo apt-get -y autoremove chkboot
Remove chkboot Configurations and Data
To remove chkboot
configuration and data from Ubuntu 22.04 we can use the following command:
sudo apt-get -y purge chkboot
Remove chkboot configuration, data, and all of its dependencies
We can use the following command to remove chkboot
configurations, data and all of its dependencies, we can use the following command:
sudo apt-get -y autoremove --purge chkboot
References
Summary
In this tutorial we learn how to install chkboot
package on Ubuntu 22.04 using different package management tools: apt
, apt-get
and aptitude
.