grok software package provides powerful pattern-matching and reacting tool, 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 grok
grok is installed in your system.
Make ensure the grok package were installed using the commands given below,
$ sudo dpkg-query -l | grep grok *
You will get with grok package name, version, architecture and description in a table
| Distro | Ubuntu 14 04 lts trusty tahr |
| Section | Miscellaneous |
| Package | grok |
| Version | 1.20110708.1-1ubuntu1 |
| Description | powerful pattern-matching and reacting tool |
| Sub Section | misc |