How To Install maas-rack-controller on Ubuntu 18.04
Introduction
In this tutorial we learn how to install maas-rack-controller on Ubuntu 18.04.
What is maas-rack-controller
maas-rack-controller is:
The MAAS rack controller (maas-rackd) provides highly available, fast and local broadcast services to the machines provisioned by MAAS. You need a MAAS rack controller attached to each fabric (which is a set of trunked switches). You can attach multiple rack controllers to these physical networks for high availability, with secondary rack controllers automatically stepping to provide these services if the primary rack controller fails.
A common configuration is to have a rack controller in each rack, with a fast primary network interface to the rack switch and secondary network interfaces on one or two other nearby racks for high availability redundancy.
This package depends on the necessary components to provide DHCP, TFTP and power management.
There are three methods to install maas-rack-controller 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 maas-rack-controller Using apt-get
Update apt database with apt-get using the following command.
sudo apt-get update
After updating apt database, We can install maas-rack-controller using apt-get by running the following command:
sudo apt-get -y install maas-rack-controller
Install maas-rack-controller Using apt
Update apt database with apt using the following command.
sudo apt update
After updating apt database, We can install maas-rack-controller using apt by running the following command:
sudo apt -y install maas-rack-controller
Install maas-rack-controller 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 maas-rack-controller using aptitude by running the following command:
sudo aptitude -y install maas-rack-controller
How To Uninstall maas-rack-controller on Ubuntu 18.04
To uninstall only the maas-rack-controller package we can use the following command:
sudo apt-get remove maas-rack-controller
Uninstall maas-rack-controller And Its Dependencies
To uninstall maas-rack-controller and its dependencies that are no longer needed by Ubuntu 18.04, we can use the command below:
sudo apt-get -y autoremove maas-rack-controller
Remove maas-rack-controller Configurations and Data
To remove maas-rack-controller configuration and data from Ubuntu 18.04 we can use the following command:
sudo apt-get -y purge maas-rack-controller
Remove maas-rack-controller configuration, data, and all of its dependencies
We can use the following command to remove maas-rack-controller configurations, data and all of its dependencies, we can use the following command:
sudo apt-get -y autoremove --purge maas-rack-controller
References
Summary
In this tutorial we learn how to install maas-rack-controller package on Ubuntu 18.04 using different package management tools: apt, apt-get and aptitude.