As ROSWeb is a tool for ROS (Robot Operation System), it depends on a machine running the roscore process. It is a web application and it depends on websockets provided by rosbridge server. Until now, it is being developed and tested using Google Chrome browser.
Install RosbridgeSuite package and WebVideoServer
$ sudo apt-get install ros-indigo-rosbridge-suite
$ sudo apt-get install ros-indigo-web-video-server
$ rosdep update
$ rosdep install rosbridge_server
$ rosdep install web_video_server
$ roslaunch rosbridge_server rosbridge_websocket.launch
$ rosrun web_video_server web_video_server
Open the working demo page (or download it to your computer) and connect to your ROS server (usually ws://localhost:9090)
Follow our demonstration guide to see how it can be useful for your application.