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Question: Reinstalling failing - Check packages for root user, too
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gravatar for charles.tilford
4 weeks ago by
charles.tilford10 wrote:

I was having trouble re-installing. I had updated R, and was getting the "BiocInstaller version x.y is too old for R version p.q" message. Attempts to follow the troubleshooting instructions were failing; Running remove.packages("BiocInstaller") would claim the package was not installed, yet it was (and remained so).

Apparently at some point I had installed BioConductor (or at least some of its packages) as root. This means the packages were "not accessible" by a "normal" user. I resolved the problem by:

  1. starting R as root:  sudo R --vanilla
  2. run remove.packages("BiocInstaller")

  3. Reinstall (as a 'normal' user; no sudo) in R using source("https://bioconductor.org/biocLite.R")

Perhaps biocValid() can check the package install paths (via find.package() ) to see if some locations are root owned, and warn the user in such cases? Note that some BioConductor packages are also in system repositories; For example on Ubuntu 14.04.5 LTS I can see a couple dozen entries like r-bioc-biomart and r-bioc-limma. Such installations would likely also cause issues with re-installation attempts. While these situations are likely uncommon, it may be worth highlighting them in the troubleshooting documentation?

-Charles Tilford

edit: I should emphasize that you should only run the above code (R as sudo) if you've identified that root-installed packages are causing an issue. In general, don't run code as root.

ADD COMMENTlink modified 4 weeks ago • written 4 weeks ago by charles.tilford10
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