[BioC] Administrative Rigths

[Kasper Daniel Hansen]

On Apr 13, 2006, at 2:19 AM, marco_oliviero77 wrote:

> Dear BioC,
>
> I'm not a user of bioconductor, I am a system manager of a facility  
> that will run R-Bioconductor for different users on a linux platform.
> They actually complain about the installation of metadata, as they  
> dont have permissions to install them. Is there a way to give them  
> partial permission to install these packages and further R packages  
> without give them root controls?

Yes. There are many ways to do so. One way is to create a dedicated R  
group (with write access). If you have a large set of inexperienced  
users this may give problems as they may affect each other. Another  
way is to make your users install their own libraries in $HOME.

Basically R has a list of libraries, exactly like the PATH env.  
variable - this is called R_LIBS. The library list can also be set by  
modifying Rprofile.site (this way you create a default for all users)  
or $HOME/.Rprofile or $HOME/.Renviron (the path is set on a user- 
level basis). as opposed to the PATH variable, the system wide  
library is always in the library list (except if you really really  
work hard to get rid of it :)

What I would do as a start is to identify the chips used by your  
facility. My guess is that the list is rather limited. And then  
install all the metadata associated with those chips. Most chips have  
a chiptype, chiptypecdf, chiptypeprobe associated with them, eg.
   hgu95av2
   hgu95av2cdf
   hgu95av2probe
You do this easiest by starting R as root (or however owns it) and do
R>  source("http://www.bioconductor.org/biocLite.R")
R>  biocLite(c("hgu95av", "hgu95av2cdf", "hgu95ac2probe"))

If your users have a specific need they can install special metadata  
packages by setting their own R_LIBS. They should be educated on how  
to do this anyway as you probably will see that you users constantly  
wants top upgrade or try new things out.

Further info in the installation manual as well as the help pages for  
Startup and R_LIBS (accessed on the web or by typing ?Startup or ? 
R_LIBS at the R prompt) and the links in those pages.

So the possibilities are endless here.

/Kasper











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> thanks to all
>
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