How To Install ganeti-htools-2.16 on Ubuntu 18.04

In this tutorial we learn how to install ganeti-htools-2.16 on Ubuntu 18.04. ganeti-htools-2.16 is cluster virtualization manager - tools for Ganeti 2.16

Introduction

In this tutorial we learn how to install ganeti-htools-2.16 on Ubuntu 18.04.

What is ganeti-htools-2.16

ganeti-htools-2.16 is:

Ganeti is a virtual server cluster management tool built on top of the Xen and KVM virtualization technologies and other free software. It provides an automated environment to manage highly available virtual machine instances.

This package provides additional tools used for enhanced allocation, maintenance and capacity calculation on Ganeti clusters.

The tools provided are:

  • hail: advanced instance allocator;
  • harep: tool for automatically repairing Ganeti clusters;
  • hbal: automatic cluster balancing tool;
  • hinfo: print cluster information;
  • hroller: rolling maintenance/reboot scheduler for Ganeti nodes;
  • hscan: used to gather cluster files for offline use in hbal/hspace;
  • hspace: cluster capacity calculator.

This package provides the version intended for use on systems that are part of a Ganeti 2.16 cluster. On stand-alone systems, use ganeti-htools instead.

There are three methods to install ganeti-htools-2.16 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 ganeti-htools-2.16 Using apt-get

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

sudo apt-get update

After updating apt database, We can install ganeti-htools-2.16 using apt-get by running the following command:

sudo apt-get -y install ganeti-htools-2.16

Install ganeti-htools-2.16 Using apt

Update apt database with apt using the following command.

sudo apt update

After updating apt database, We can install ganeti-htools-2.16 using apt by running the following command:

sudo apt -y install ganeti-htools-2.16

Install ganeti-htools-2.16 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 ganeti-htools-2.16 using aptitude by running the following command:

sudo aptitude -y install ganeti-htools-2.16

How To Uninstall ganeti-htools-2.16 on Ubuntu 18.04

To uninstall only the ganeti-htools-2.16 package we can use the following command:

sudo apt-get remove ganeti-htools-2.16

Uninstall ganeti-htools-2.16 And Its Dependencies

To uninstall ganeti-htools-2.16 and its dependencies that are no longer needed by Ubuntu 18.04, we can use the command below:

sudo apt-get -y autoremove ganeti-htools-2.16

Remove ganeti-htools-2.16 Configurations and Data

To remove ganeti-htools-2.16 configuration and data from Ubuntu 18.04 we can use the following command:

sudo apt-get -y purge ganeti-htools-2.16

Remove ganeti-htools-2.16 configuration, data, and all of its dependencies

We can use the following command to remove ganeti-htools-2.16 configurations, data and all of its dependencies, we can use the following command:

sudo apt-get -y autoremove --purge ganeti-htools-2.16

References

Summary

In this tutorial we learn how to install ganeti-htools-2.16 package on Ubuntu 18.04 using different package management tools: apt, apt-get and aptitude.