How To Install dh-sysuser on Ubuntu 18.04

In this tutorial we learn how to install dh-sysuser on Ubuntu 18.04. dh-sysuser is debhelper addon to handle creation of system users

Introduction

In this tutorial we learn how to install dh-sysuser on Ubuntu 18.04.

What is dh-sysuser

dh-sysuser is:

dh-sysuser provides a debhelper sequence addon named ‘sysuser’ and command ‘dh_sysuser’, which provide declarating way to ensure, that required users are present after package installation and correctly handled after package removal.

There are three methods to install dh-sysuser on Ubuntu 18.04. We can use apt-get, apt and aptitude. In the following sections we will describe each method. You can choose one of them.

Install dh-sysuser Using apt-get

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

sudo apt-get update

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

sudo apt-get -y install dh-sysuser

Install dh-sysuser Using apt

Update apt database with apt using the following command.

sudo apt update

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

sudo apt -y install dh-sysuser

Install dh-sysuser 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 dh-sysuser using aptitude by running the following command:

sudo aptitude -y install dh-sysuser

How To Uninstall dh-sysuser on Ubuntu 18.04

To uninstall only the dh-sysuser package we can use the following command:

sudo apt-get remove dh-sysuser

Uninstall dh-sysuser And Its Dependencies

To uninstall dh-sysuser and its dependencies that are no longer needed by Ubuntu 18.04, we can use the command below:

sudo apt-get -y autoremove dh-sysuser

Remove dh-sysuser Configurations and Data

To remove dh-sysuser configuration and data from Ubuntu 18.04 we can use the following command:

sudo apt-get -y purge dh-sysuser

Remove dh-sysuser configuration, data, and all of its dependencies

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

sudo apt-get -y autoremove --purge dh-sysuser

References

Summary

In this tutorial we learn how to install dh-sysuser package on Ubuntu 18.04 using different package management tools: apt, apt-get and aptitude.