Error in pagedown::find_chrome() : Cannot find Chromium or Google Chrome

[fishfree]

I followed the README to get TALL installed on my Ubuntu 22.04, and configured a working nginx reverse proxy to access it as the screenshot below:

There was no error in the Chrome console. But there was no clickable main menu to access TALL's funtionalities.

In the Ubuntu command line, there appeared the errors as below:

Warning: Error in pagedown::find_chrome: Cannot find Chromium or Google Chrome
  41: stop
  40: pagedown::find_chrome
  39: server [/usr/local/lib/R/site-library/tall/tall/server.R#27]
   2: runApp
   1: tall
Error in pagedown::find_chrome() : Cannot find Chromium or Google Chrome
Warning: Error in pagedown::find_chrome: Cannot find Chromium or Google Chrome
  41: stop
  40: pagedown::find_chrome
  39: server [/usr/local/lib/R/site-library/tall/tall/server.R#27]
   2: runApp
   1: tall
Error in pagedown::find_chrome() : Cannot find Chromium or Google Chrome

What's the problem? My R version is 4.4.1 (2024-06-14)

[massimoaria]

The problem is that pagedown package doesn't find Google Chrome installed on your machine.
Tall reporting feature needs Chrome (or a chromium based browser) to work.

[fishfree]

@massimoaria I'd like to host TALL in a Linux server with an Nginx reverse proxy for my students to use. The Linux server is only command-line enviroment,no GUI, so no installing Chrome or Chromium.
Or even please delete the dependency to Chrome installation.