How To Install ohai on Debian 9

In this tutorial we learn how to install ohai on Debian 9. ohai is Detects data about your operating system and reports it in JSON

Introduction

In this tutorial we learn how to install ohai on Debian 9.

What is ohai

ohai is:

Information about your system is collected and returned as multidimensional attributes in JSON format. The following information is captured:

  • Operating system and kernel
  • Filesystems in use
  • Network configuration and statistics
  • Available languages
  • Virtualization

There are three methods to install ohai 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 ohai Using apt-get

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

sudo apt-get update

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

sudo apt-get -y install ohai

Install ohai Using apt

Update apt database with apt using the following command.

sudo apt update

After updating apt database, We can install ohai using apt by running the following command:

sudo apt -y install ohai

Install ohai 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 ohai using aptitude by running the following command:

sudo aptitude -y install ohai

How To Uninstall ohai on Debian 9

To uninstall only the ohai package we can use the following command:

sudo apt-get remove ohai

Uninstall ohai And Its Dependencies

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

sudo apt-get -y autoremove ohai

Remove ohai Configurations and Data

To remove ohai configuration and data from Debian 9 we can use the following command:

sudo apt-get -y purge ohai

Remove ohai configuration, data, and all of its dependencies

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

sudo apt-get -y autoremove --purge ohai

Dependencies

ohai have the following dependencies:

References

Summary

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