How To Install python-watcher on Ubuntu 18.04

In this tutorial we learn how to install python-watcher on Ubuntu 18.04. python-watcher is OpenStack Cloud Optimization as a Service - Python 2.7 libraries

Introduction

In this tutorial we learn how to install python-watcher on Ubuntu 18.04.

What is python-watcher

python-watcher is:

OpenStack Watcher provides a flexible and scalable resource optimization service for multi-tenant OpenStack-based clouds. Watcher provides a complete optimization loop-including everything from a metrics receiver, complex event processor and profiler, optimization processor and an action plan applier. This provides a robust framework to realize a wide range of cloud optimization goals, including the reduction of data center operating costs, increased system performance via intelligent virtual machine migration, increased energy efficiency-and more!

This package contains the Python 2.7 libraries that are part of Watcher.

There are three methods to install python-watcher 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 python-watcher Using apt-get

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

sudo apt-get update

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

sudo apt-get -y install python-watcher

Install python-watcher Using apt

Update apt database with apt using the following command.

sudo apt update

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

sudo apt -y install python-watcher

Install python-watcher 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 python-watcher using aptitude by running the following command:

sudo aptitude -y install python-watcher

How To Uninstall python-watcher on Ubuntu 18.04

To uninstall only the python-watcher package we can use the following command:

sudo apt-get remove python-watcher

Uninstall python-watcher And Its Dependencies

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

sudo apt-get -y autoremove python-watcher

Remove python-watcher Configurations and Data

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

sudo apt-get -y purge python-watcher

Remove python-watcher configuration, data, and all of its dependencies

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

sudo apt-get -y autoremove --purge python-watcher

References

Summary

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