Moving turtlebot forward 2 meter

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Hi I am beginner working on ros. (Using Linux and Ros hydro) I got up to the part where I moved the turtlebot manually using the keyboard. But I wanted to what would I have to do to move the bot automatically for 2 meter? I found a tutorial for moving the turtlebot 1 meter forward but it deals with navigation stacks that I am not yet familiar with.

Would I need to setup up kinect camera for that? If yes, then please direct me to a tutorial that does that.

Thanks, Ap