How To Install corosync-qnetd on Ubuntu 22.04

In this tutorial we learn how to install corosync-qnetd on Ubuntu 22.04. corosync-qnetd is cluster engine quorum device network daemon

Introduction

In this tutorial we learn how to install corosync-qnetd on Ubuntu 22.04.

What is corosync-qnetd

corosync-qnetd is:

Corosync-qnetd is a daemon running outside of the cluster with the purpose of providing a vote to the corosync-qdevice model net. It’s designed to support multiple clusters and be almost configuration and state free. New clusters are handled dynamically and no configuration file exists. It’s also able to run as non-root user - which is recommended. Connection between the corosync-qdevice model net client can be optionally configured with TLS client certificate checking. The communication protocol between server and client is designed to be very simple and allow backwards compatibility.

There are three ways to install corosync-qnetd on Ubuntu 22.04. We can use apt-get, apt and aptitude. In the following sections we will describe each method. You can choose one of them.

Install corosync-qnetd Using apt-get

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

sudo apt-get update

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

sudo apt-get -y install corosync-qnetd

Install corosync-qnetd Using apt

Update apt database with apt using the following command.

sudo apt update

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

sudo apt -y install corosync-qnetd

Install corosync-qnetd 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 corosync-qnetd using aptitude by running the following command:

sudo aptitude -y install corosync-qnetd

How To Uninstall corosync-qnetd on Ubuntu 22.04

To uninstall only the corosync-qnetd package we can use the following command:

sudo apt-get remove corosync-qnetd

Uninstall corosync-qnetd And Its Dependencies

To uninstall corosync-qnetd and its dependencies that are no longer needed by Ubuntu 22.04, we can use the command below:

sudo apt-get -y autoremove corosync-qnetd

Remove corosync-qnetd Configurations and Data

To remove corosync-qnetd configuration and data from Ubuntu 22.04 we can use the following command:

sudo apt-get -y purge corosync-qnetd

Remove corosync-qnetd configuration, data, and all of its dependencies

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

sudo apt-get -y autoremove --purge corosync-qnetd

References

Summary

In this tutorial we learn how to install corosync-qnetd package on Ubuntu 22.04 using different package management tools: apt, apt-get and aptitude.