To deploy a Quarto website to GitHub using the usethis package in RStudio on Ubuntu 20.04, follow these steps: Install Required Packages : Ensure you have the usethis , quarto , and gitcreds packages installed. You can install them using the following commands in RStudio: install.packages ( "usethis" ) install.packages ( "quarto" ) install.packages ( "gitcreds" ) Create a New Quarto Project : Create a new Quarto project in RStudio. You can do this by navigating to File > New Project > New Directory > Quarto Website . Set git username and password (token) if you first use git : usethis :: use_git_config ( user.name = "Your Name" , user.email = "your.email@example.com" ) Set git token (password), you have to get the token from github.com before use : gitcreds :: gitcreds_...