Around 2018, I installed RStudio Server (free, not pro edition) with R 3.6.0 on a CentOS server following the instructions found here: (https://s3.amazonaws.com/rstudio-server/rstudio-server-pro-0.98.507-admin-guide.pdf)
Everything has been working great with no issues. Recently, I've needed to upgrade the version of R, and have installed R 4.0.0 following the instructions here: (https://docs.rstudio.com/resources/install-r/)
After installation, package installation on command line or in the RStudio IDE gives the following error:
Protocol "https" not supported or disabled in libcurl
Within the IDE I'm able to bypass this most of the time by going to Tools > Global Options > Packages and unchecking "Use secure download method for HTTP." Or, I select a mirror that does not have https next to the name (IDE or command line). However, I haven't found a way to bypass this problem when using functions like remotes::install_github().
I have updated cURL on the server to no avail.
Any help would be appreciated. Please let me know what additional information I can include, as I'm not sure where to start.