Using only a common lib folder for all users in Ubuntu

In R, you cat get the environment variables:

> Sys.getenv("R_HOME")

[1] "/usr/lib/R"

> Sys.getenv("R_ENVIRON")

[1] ""

> Sys.getenv("R_PROFILE")

[1] ""

> Sys.getenv("R_PROFILE_USER")

[1] ""

The library folder are defined here:

> Sys.getenv("R_LIBS_USER")

[1] "/home/agirard/R/x86_64-pc-linux-gnu-library/4.2"

> Sys.getenv("R_LIBS_SITE")

[1] "/usr/local/lib/R/site-library/:/usr/lib/R/site-library:/usr/lib/R/library"

This is what you get with:

.libPaths()


In 

> system(paste0("ls -al ", file.path(Sys.getenv("R_HOME"), "etc")))

total 16

drwxr-xr-x 2 root    root    4096 juil. 27 20:20 .

drwxrwxrwx 8 mgirond mgirond 4096 juil. 28 13:25 ..

-rw-r--r-- 1 root    root     234 juin  26 22:22 javaconf

lrwxrwxrwx 1 root    root      14 juin  26 22:22 ldpaths -> /etc/R/ldpaths

lrwxrwxrwx 1 root    root      15 juin  26 22:22 Makeconf -> /etc/R/Makeconf

lrwxrwxrwx 1 root    root      15 juin  26 22:22 Renviron -> /etc/R/Renviron

lrwxrwxrwx 1 root    root      20 juin  26 22:22 Renviron.site -> /etc/R/Renviron.site

-rw-r--r-- 1 root    root    1923 juin  26 22:22 Renviron.ucf

lrwxrwxrwx 1 root    root      19 juin  26 22:22 repositories -> /etc/R/repositories

lrwxrwxrwx 1 root    root      20 juin  26 22:22 Rprofile.site -> /etc/R/Rprofile.site


Renviron.site is a copy of /etc/R/Renviron.site

Add R_LIBS_USER="" în /etc/R/Renviron.site


and 

chmod 777 /usr/local/lib/R/site-library

Then restart R or Rstudio server

$ rstudio-server restart


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