Install crmsh by entering the following commands in the terminal:
sudo apt update sudo apt install crmsh
Description:
CRM shell for the pacemaker cluster manager
The crm shell is an advanced command-line interface for High-Availability cluster management in GNU/Linux. Effortlessly configure, manage and troubleshoot your clusters from the command line, with full tab completion and extensive help. crmsh also provides advanced features like low-level cluster configuration, cluster scripting and package management, and history exploration tools giving you an instant view of what your cluster is doing.
Homepage: http://crmsh.github.io/
Version: 3.0.1-3ubuntu1
Section: universe/admin