Hello Sir,
I have gone through your requirement and I am sure I can do this. I can integrate BigBlueButton in your Ubuntu server.
Relevant Skills and Experience
I am Full Stack Developer with 10 Years of Experience in PHP, WordPress, Magento, Moodle, Open cart, Shopify, MySQL, JavaScript, HTML and CSS coding.
Proposed Milestones
$19 USD - BigBlueButton
More we can Discuss in chat. I am open to answer all your question.