How To Install libcpg4 on Ubuntu 20.04
Introduction
In this tutorial we learn how to install libcpg4 on Ubuntu 20.04.
What is libcpg4
libcpg4 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 Closed Process Group library.
Package: libcpg4 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: 58 Depends: libc6 (>= 2.14), libcorosync-common4 (>= 1.99.9), libqb0 (>= 1.0.3) Filename: pool/main/c/corosync/libcpg4_3.0.3-2ubuntu2_amd64.deb Size: 11764 MD5sum: e87402497dc4335fa385167bb1e25b29 SHA1: b43765002b2ddcae6ee95b38205fc33ea091853d SHA256: 0acbc1c238b503ea1003234981676e0c03d8dcdc15860800f4814a18e0669b7f Homepage: https://corosync.github.io/corosync/ Description-en: cluster engine CPG 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 Closed Process Group library.
There are three methods to install libcpg4 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 libcpg4 Using apt-get
Update apt database with apt-get using the following command.
sudo apt-get update
After updating apt database, We can install libcpg4 using apt-get by running the following command:
sudo apt-get -y install libcpg4
Install libcpg4 Using apt
Update apt database with apt using the following command.
sudo apt update
After updating apt database, We can install libcpg4 using apt by running the following command:
sudo apt -y install libcpg4
Install libcpg4 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 libcpg4 using aptitude by running the following command:
sudo aptitude -y install libcpg4
How To Uninstall libcpg4 on Ubuntu 20.04
To uninstall only the libcpg4 package we can use the following command:
sudo apt-get remove libcpg4
Uninstall libcpg4 And Its Dependencies
To uninstall libcpg4 and its dependencies that are no longer needed by Ubuntu 20.04, we can use the command below:
sudo apt-get -y autoremove libcpg4
Remove libcpg4 Configurations and Data
To remove libcpg4 configuration and data from Ubuntu 20.04 we can use the following command:
sudo apt-get -y purge libcpg4
Remove libcpg4 configuration, data, and all of its dependencies
We can use the following command to remove libcpg4 configurations, data and all of its dependencies, we can use the following command:
sudo apt-get -y autoremove --purge libcpg4
References
Summary
In this tutorial we learn how to install libcpg4 package on Ubuntu 20.04 using different package management tools: apt, apt-get and aptitude.