How To Install libcrmcluster4 on Ubuntu 18.04
Introduction
In this tutorial we learn how to install libcrmcluster4 on Ubuntu 18.04.
What is libcrmcluster4
libcrmcluster4 is:
At its core, Pacemaker is a distributed finite state machine capable of co-ordinating the startup and recovery of inter-related services across a set of machines.
Pacemaker understands many different resource types (OCF, SYSV, systemd) and can accurately model the relationships between them (colocation, ordering).
It can even use technology such as Docker to automatically isolate the resources managed by the cluster.
This package contains the cluster library.
There are three methods to install libcrmcluster4 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 libcrmcluster4 Using apt-get
Update apt database with apt-get using the following command.
sudo apt-get update
After updating apt database, We can install libcrmcluster4 using apt-get by running the following command:
sudo apt-get -y install libcrmcluster4
Install libcrmcluster4 Using apt
Update apt database with apt using the following command.
sudo apt update
After updating apt database, We can install libcrmcluster4 using apt by running the following command:
sudo apt -y install libcrmcluster4
Install libcrmcluster4 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 libcrmcluster4 using aptitude by running the following command:
sudo aptitude -y install libcrmcluster4
How To Uninstall libcrmcluster4 on Ubuntu 18.04
To uninstall only the libcrmcluster4 package we can use the following command:
sudo apt-get remove libcrmcluster4
Uninstall libcrmcluster4 And Its Dependencies
To uninstall libcrmcluster4 and its dependencies that are no longer needed by Ubuntu 18.04, we can use the command below:
sudo apt-get -y autoremove libcrmcluster4
Remove libcrmcluster4 Configurations and Data
To remove libcrmcluster4 configuration and data from Ubuntu 18.04 we can use the following command:
sudo apt-get -y purge libcrmcluster4
Remove libcrmcluster4 configuration, data, and all of its dependencies
We can use the following command to remove libcrmcluster4 configurations, data and all of its dependencies, we can use the following command:
sudo apt-get -y autoremove --purge libcrmcluster4
References
Summary
In this tutorial we learn how to install libcrmcluster4 package on Ubuntu 18.04 using different package management tools: apt, apt-get and aptitude.