To run RStudio as root on Ubuntu you would just do: sudo rstudio The packages in /usr/lib/R/library are the ones that came with the base install of R. J.J. Allaire -- View this message in context: http://r.789695.n4.nabble.com/package-update-tp3507479p3517539.html Sent from the R help mailing list archive at Nabble.com.