How To Install uidmap on Ubuntu 18.04

In this tutorial we learn how to install uidmap on Ubuntu 18.04. uidmap is programs to help use subuids

Introduction

In this tutorial we learn how to install uidmap on Ubuntu 18.04.

What is uidmap

uidmap is:

These programs help unprivileged users to create uid and gid mappings in user namespaces.

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

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

sudo apt-get update

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

sudo apt-get -y install uidmap

Install uidmap Using apt

Update apt database with apt using the following command.

sudo apt update

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

sudo apt -y install uidmap

Install uidmap 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 uidmap using aptitude by running the following command:

sudo aptitude -y install uidmap

How To Uninstall uidmap on Ubuntu 18.04

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

sudo apt-get remove uidmap

Uninstall uidmap And Its Dependencies

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

sudo apt-get -y autoremove uidmap

Remove uidmap Configurations and Data

To remove uidmap configuration and data from Ubuntu 18.04 we can use the following command:

sudo apt-get -y purge uidmap

Remove uidmap configuration, data, and all of its dependencies

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

sudo apt-get -y autoremove --purge uidmap

References

Summary

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