libjgroups2.6-java software package provides Toolkit for Reliable Multicast Communication, 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 libjgroups2.6-java
libjgroups2.6-java is installed in your system.
Make ensure the libjgroups2.6-java package were installed using the commands given below,
$ sudo dpkg-query -l | grep libjgroups2.6-java *
You will get with libjgroups2.6-java package name, version, architecture and description in a table
| Distro | Ubuntu 16 04 lts xenial xerus |
| Section | Java |
| Package | libjgroups2.6-java |
| Version | 2.6.15.GA-2 |
| Description | Toolkit for Reliable Multicast Communication |
| Sub Section | Java |