Sudo add-apt-repository ppa:obsproject/obs-studio Installing OBS Studio on Ubuntu 18.04 LTS. First make sure that all your system packages are up-to-date I will show you through the step by step installation OBS Studio free and open source software for video recording and live streaming on a Ubuntu 18.04 (Bionic Beaver) server. The installation is quite simple and assumes you are running in the root account, if not you may need to add ‘sudo’ to the commands to get root privileges. This article assumes you have at least basic knowledge of Linux, know how to use the shell, and most importantly, you host your site on your own VPS. With this tool, you can record your screen activity or record video from webcam and any other sources. OBS Studio (Open Broadcast Studio) is a free and open source application for video recording and live streaming.