ngrok-server software package provides secure introspectable tunnels to localhost - server part, 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 ngrok-server
ngrok-server is installed in your system.
Make ensure the ngrok-server package were installed using the commands given below,
$ sudo dpkg-query -l | grep ngrok-server *
You will get with ngrok-server package name, version, architecture and description in a table
| Distro | Ubuntu 14 04 lts trusty tahr |
| Section | Web Software |
| Package | ngrok-server |
| Version | 1.6+dfsg-1 |
| Description | secure introspectable tunnels to localhost - server part |
| Sub Section | Web |