cameramonitor software package provides Webcam monitoring in system tray, 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 cameramonitor
cameramonitor is installed in your system.
Make ensure the cameramonitor package were installed using the commands given below,
$ sudo dpkg-query -l | grep cameramonitor *
You will get with cameramonitor package name, version, architecture and description in a table
| Distro | Ubuntu 14 04 lts trusty tahr |
| Section | GNOME |
| Package | cameramonitor |
| Version | 0.2-2.1 |
| Description | Webcam monitoring in system tray |
| Sub Section | GNOME |