How To Install aodh-evaluator on Ubuntu 18.04

In this tutorial we learn how to install aodh-evaluator on Ubuntu 18.04. aodh-evaluator is OpenStack Telemetry (Ceilometer) Alarming - alarm evaluator

Introduction

In this tutorial we learn how to install aodh-evaluator on Ubuntu 18.04.

What is aodh-evaluator

aodh-evaluator is:

Ceilometer aims to deliver a Single Point Of Contact for billing systems, providing all the counters they need to establish customer billing, across all current and future OpenStack components. The delivery of counters must be traceable and auditable, the counters must be easily extensible to support new projects, and agents doing data collections should be independent of the overall system.

(A ceilometer is an instrument that measures cloud coverage.)

This package contains the alarm evaluator daemon.

There are three methods to install aodh-evaluator 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 aodh-evaluator Using apt-get

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

sudo apt-get update

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

sudo apt-get -y install aodh-evaluator

Install aodh-evaluator Using apt

Update apt database with apt using the following command.

sudo apt update

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

sudo apt -y install aodh-evaluator

Install aodh-evaluator 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 aodh-evaluator using aptitude by running the following command:

sudo aptitude -y install aodh-evaluator

How To Uninstall aodh-evaluator on Ubuntu 18.04

To uninstall only the aodh-evaluator package we can use the following command:

sudo apt-get remove aodh-evaluator

Uninstall aodh-evaluator And Its Dependencies

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

sudo apt-get -y autoremove aodh-evaluator

Remove aodh-evaluator Configurations and Data

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

sudo apt-get -y purge aodh-evaluator

Remove aodh-evaluator configuration, data, and all of its dependencies

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

sudo apt-get -y autoremove --purge aodh-evaluator

References

Summary

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