How To Install libcmap4 on Ubuntu 20.04

In this tutorial we learn how to install libcmap4 on Ubuntu 20.04. libcmap4 is cluster engine CMAP library cluster engine CMAP library

Introduction

In this tutorial we learn how to install libcmap4 on Ubuntu 20.04.

What is libcmap4

libcmap4 is:

The Corosync Cluster Engine is a Group Communication System with additional features for implementing high availability within applications. The project provides four C Application Programming Interface features:

  • A closed process group communication model with virtual synchrony guarantees for creating replicated state machines.
  • A simple availability manager that restarts the application process when it has failed.
  • A configuration and statistics in-memory database that provide the ability to set, retrieve, and receive change notifications of information.
  • A quorum system that notifies applications when quorum is achieved or lost.

This package contains the Configuration Map library.

Package: libcmap4 Architecture: amd64 Version: 3.0.3-2ubuntu2 Multi-Arch: same Priority: optional Section: libs Source: corosync Origin: Ubuntu Maintainer: Ubuntu Developers [email protected] Original-Maintainer: Debian HA Maintainers [email protected] Bugs: https://bugs.launchpad.net/ubuntu/+filebug Installed-Size: 59 Depends: libc6 (>= 2.14), libcorosync-common4 (>= 1.99.9), libqb0 (>= 1.0.3) Filename: pool/main/c/corosync/libcmap4_3.0.3-2ubuntu2_amd64.deb Size: 9872 MD5sum: 398d6f4eb719b3ab183858294cd5f7e3 SHA1: 726881d71b4e88628ea7ce81019b446e3a616f22 SHA256: 2c3a01d7b5642397bd25fa90510065f37bb38a1f796e7b6658179310a46a8229 Homepage: https://corosync.github.io/corosync/ Description-en: cluster engine CMAP library The Corosync Cluster Engine is a Group Communication System with additional features for implementing high availability within applications. The project provides four C Application Programming Interface features:

  • A closed process group communication model with virtual synchrony guarantees for creating replicated state machines.
  • A simple availability manager that restarts the application process when it has failed.
  • A configuration and statistics in-memory database that provide the ability to set, retrieve, and receive change notifications of information.
  • A quorum system that notifies applications when quorum is achieved or lost.

This package contains the Configuration Map library.

There are three methods to install libcmap4 on Ubuntu 20.04. We can use apt-get, apt and aptitude. In the following sections we will describe each method. You can choose one of them.

Install libcmap4 Using apt-get

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

sudo apt-get update

After updating apt database, We can install libcmap4 using apt-get by running the following command:

sudo apt-get -y install libcmap4

Install libcmap4 Using apt

Update apt database with apt using the following command.

sudo apt update

After updating apt database, We can install libcmap4 using apt by running the following command:

sudo apt -y install libcmap4

Install libcmap4 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 libcmap4 using aptitude by running the following command:

sudo aptitude -y install libcmap4

How To Uninstall libcmap4 on Ubuntu 20.04

To uninstall only the libcmap4 package we can use the following command:

sudo apt-get remove libcmap4

Uninstall libcmap4 And Its Dependencies

To uninstall libcmap4 and its dependencies that are no longer needed by Ubuntu 20.04, we can use the command below:

sudo apt-get -y autoremove libcmap4

Remove libcmap4 Configurations and Data

To remove libcmap4 configuration and data from Ubuntu 20.04 we can use the following command:

sudo apt-get -y purge libcmap4

Remove libcmap4 configuration, data, and all of its dependencies

We can use the following command to remove libcmap4 configurations, data and all of its dependencies, we can use the following command:

sudo apt-get -y autoremove --purge libcmap4

References

Summary

In this tutorial we learn how to install libcmap4 package on Ubuntu 20.04 using different package management tools: apt, apt-get and aptitude.