corosync software package provides cluster engine daemon and utilities, you can install in your Ubuntu 16.04 LTS (Xenial Xerus) by running the commands given below on the terminal,
$ sudo apt-get update $ sudo apt-get install corosync
corosync is installed in your system.
Make ensure the corosync package were installed using the commands given below,
$ sudo dpkg-query -l | grep corosync *
You will get with corosync package name, version, architecture and description in a table
| Distro | Ubuntu 16 04 lts xenial xerus |
| Section | Administration Utilities |
| Package | corosync |
| Version | 2.3.5-3ubuntu1 |
| Description | cluster engine daemon and utilities |
| Sub Section | admin |