How To Install pacemaker-remote on Ubuntu 18.04
Introduction
In this tutorial we learn how to install pacemaker-remote on Ubuntu 18.04.
What is pacemaker-remote
pacemaker-remote 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 Pacemaker proxy daemon, which simulates cluster services on a node not running the cluster stack. Such “remote” nodes can run resources but don’t participate in the quorum. This package is mutually exclusive with Pacemaker proper.
There are three methods to install pacemaker-remote 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 pacemaker-remote Using apt-get
Update apt database with apt-get using the following command.
sudo apt-get update
After updating apt database, We can install pacemaker-remote using apt-get by running the following command:
sudo apt-get -y install pacemaker-remote
Install pacemaker-remote Using apt
Update apt database with apt using the following command.
sudo apt update
After updating apt database, We can install pacemaker-remote using apt by running the following command:
sudo apt -y install pacemaker-remote
Install pacemaker-remote 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 pacemaker-remote using aptitude by running the following command:
sudo aptitude -y install pacemaker-remote
How To Uninstall pacemaker-remote on Ubuntu 18.04
To uninstall only the pacemaker-remote package we can use the following command:
sudo apt-get remove pacemaker-remote
Uninstall pacemaker-remote And Its Dependencies
To uninstall pacemaker-remote and its dependencies that are no longer needed by Ubuntu 18.04, we can use the command below:
sudo apt-get -y autoremove pacemaker-remote
Remove pacemaker-remote Configurations and Data
To remove pacemaker-remote configuration and data from Ubuntu 18.04 we can use the following command:
sudo apt-get -y purge pacemaker-remote
Remove pacemaker-remote configuration, data, and all of its dependencies
We can use the following command to remove pacemaker-remote configurations, data and all of its dependencies, we can use the following command:
sudo apt-get -y autoremove --purge pacemaker-remote
References
Summary
In this tutorial we learn how to install pacemaker-remote package on Ubuntu 18.04 using different package management tools: apt, apt-get and aptitude.
