sudo apt-get update
sudo apt-get install r-base
sudo apt-get install r-base-dev
sudo apt-get install gdebi-core
wget https://download2.rstudio.org/server/bionic/amd64/rstudio-server-2021.09.1-372-amd64.deb
sudo gdebi rstudio-server-2021.09.1-372-amd64.deb