# VirtScreen > Make your iPad/tablet/computer as a secondary monitor on Linux. ![gif example](https://github.com/kbumsik/VirtScreen/blob/bcd216b0adcfbda3a8d807c1f2a7cfc5ca4864ba/icon/gif_example.gif?raw=true) VirtScreen is an easy-to-use Linux GUI app that creates a virtual secondary screen and shares it through VNC. VirtScreen is based on [PyQt5](https://www.riverbankcomputing.com/software/pyqt/intro) and [Twisted](https://twistedmatrix.com) in Python side and uses [x11vnc](https://github.com/LibVNC/x11vnc) and XRandR. ## Dependency 1. You need [`x11vnc`](https://github.com/LibVNC/x11vnc) and `xrandr`. To install (example on Ubuntu): ```bash sudo apt-get install x11vnc xrandr ``` 2. Install Python dependencies: ``` pip install -r requirements.txt ``` ## How to run Simply run this in the project root: ```bash ./virtscreen.py or python virtscreen.py ``` Note that any files related to VirtScreen, including password and log, will be stored in `~/.virtscreen` directory.