Thanks @Dmitry Maslennikov 
though there's no irissys folder in usr/

Have gone through the documentation related to IRIS in Azure its listed that the installation is under irisowner ubuntu user, but nowhere it's mentioned what's the password for the irisowner user

Hello @Jacquie Clermont 
can you please let me know how to claim the free attempt, Thanks

Prashant

Thank you @Raj Singh for the informative video on VSCode :)