Re: [R] Restricting R session

2012-01-12 Thread Antonio Rodriges
Uwe, > > The opposite: It implies it is extremely flexible in the sense a user can do > anything the OS allows, e.g by installation of packages that reimplement > functions you had prohibited before. I don't see why this is related to > cloud services. In a cloud process, again, the user can do as

Re: [R] Restricting R session

2012-01-12 Thread Antonio Rodriges
Thank you, Thomas, > More precisely, there are several packages that could provide separate > sessions, such as rserve and RApache. Thank you, we tried RServe. RApache is new for me. I've checked it: R access through Apache server. I also found interesting blog http://www.stat.ucla.edu/~jeroen/ w

Re: [R] Restricting R session

2012-01-12 Thread Uwe Ligges
On 11.01.2012 21:13, Antonio Rodriges wrote: Thank you, Uwe, below are my comments In particular, how to prohibit some set of functions, for example, from "base" package? You can't: R is free software. This does not imply it must be inflexible and unsuitable for cloud services The opp

Re: [R] Restricting R session

2012-01-11 Thread Thomas Lumley
2012/1/12 Uwe Ligges : > > > On 10.01.2012 20:30, Antonio Rodriges wrote: >> >> Hello, >> >> Is it possible to use R on public server where each user has its own >> restricted R session? > > > This entirely depends on the definition of "restricted", otherwise the > answer is "yes". More precisely,

Re: [R] Restricting R session

2012-01-11 Thread Antonio Rodriges
Thank you, Uwe, below are my comments >> In particular, how to prohibit some set of functions, for example, >> from "base" package? > > > You can't: R is free software. This does not imply it must be inflexible and unsuitable for cloud services > Well, of course you could build your own > versi

Re: [R] Restricting R session

2012-01-11 Thread Uwe Ligges
On 10.01.2012 20:30, Antonio Rodriges wrote: Hello, Is it possible to use R on public server where each user has its own restricted R session? This entirely depends on the definition of "restricted", otherwise the answer is "yes". In particular, how to prohibit some set of functions, fo

[R] Restricting R session

2012-01-10 Thread Antonio Rodriges
Hello, Is it possible to use R on public server where each user has its own restricted R session? In particular, how to prohibit some set of functions, for example, from "base" package? How to limit session operating memory and CPU time? What additional security considerations must be taken care o