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

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/

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

2012-01-11 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, for

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 version of R

Re: [R] Restricting R session

2012-01-11 Thread Thomas Lumley
2012/1/12 Uwe Ligges lig...@statistik.tu-dortmund.de: 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

[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