libmono-system-reactive-core2. software package provides Mono System.Reactive.Core Library (for CLI 4.5), you can install in your Ubuntu 14.04 LTS (Trusty Tahr) by running the commands given below on the terminal,
$ sudo apt-get update $ sudo apt-get install libmono-system-reactive-core2.
libmono-system-reactive-core2. is installed in your system.
Make ensure the libmono-system-reactive-core2. package were installed using the commands given below,
$ sudo dpkg-query -l | grep libmono-system-reactive-core2.*
You will get with libmono-system-reactive-core2. package name, version, architecture and description in a table
| Distro | Ubuntu 14 04 lts trusty tahr |
| Section | Mono/CLI |
| Package | libmono-system-reactive-core2. |
| Version | 3.2.8+dfsg-4ubuntu1.1 |
| Description | Mono System.Reactive.Core Library (for CLI 4.5) |
| Sub Section | Cli-mono |