How To Install ovn-host on Ubuntu 18.04

In this tutorial we learn how to install ovn-host on Ubuntu 18.04. ovn-host is OVN host components

Introduction

In this tutorial we learn how to install ovn-host on Ubuntu 18.04.

What is ovn-host

ovn-host is:

OVN, the Open Virtual Network, is a system to support virtual network abstraction. OVN complements the existing capabilities of OVS to add native support for virtual network abstractions, such as virtual L2 and L3 overlays and security groups.

ovn-host provides the userspace components and utilities for OVN that can be run on every host/hypervisor.

There are three methods to install ovn-host 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 ovn-host Using apt-get

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

sudo apt-get update

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

sudo apt-get -y install ovn-host

Install ovn-host Using apt

Update apt database with apt using the following command.

sudo apt update

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

sudo apt -y install ovn-host

Install ovn-host 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 ovn-host using aptitude by running the following command:

sudo aptitude -y install ovn-host

How To Uninstall ovn-host on Ubuntu 18.04

To uninstall only the ovn-host package we can use the following command:

sudo apt-get remove ovn-host

Uninstall ovn-host And Its Dependencies

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

sudo apt-get -y autoremove ovn-host

Remove ovn-host Configurations and Data

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

sudo apt-get -y purge ovn-host

Remove ovn-host configuration, data, and all of its dependencies

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

sudo apt-get -y autoremove --purge ovn-host

References

Summary

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