Thanks a lot Mike & others for the valuable input. I was wrong on debian linux on the embedded box, it is monta vista embedded linux.
I hope, there is no R core package available for monta vista distribution and i may need to cross compile from R source. Please correct me if i am wrong. Thanks & Regards Sasi On Wed, Oct 7, 2015 at 4:02 PM, Michael Hannon <jmhannon.ucda...@gmail.com> wrote: > Hi, Sasi. Yes, I think that getting familiar with R in a "friendly" > context before dealing with your embedded system is a good idea. Note > that the non-GUI part of R is more or less identical across platforms. > Hence, you could experiment with it on a Macbook, a Surface tablet, > etc., etc., if you're just seeking to get established in R. > > The hardware configuration of your embedded system seems reasonable, > but again, I don't know what your run-time requirements will be. Note > in particular that R likes to have objects resident in memory, so if > you're trying to process a 40GB data file on your embedded system, > you're probably out of luck. > > I would certainly start by trying to install the Debian package for R. > Even if you don't have apt-get, I would think you'd at least have the > "dpkg" utility: > > https://www.debian.org/doc/manuals/debian-faq/ch-pkgtools.en.html > > If so, you could use that to install R (provided you have managed to > download the appropriate <*.deb> package for R). > > > > On Wed, Oct 7, 2015 at 3:45 PM, Sasikumar Kandhasamy <ckms...@gmail.com> > wrote: > > Thanks Mike. From source, i am able to compile and use R in my red hat > linux > > box. I was trying to get hands on using R in linux box before trying R on > > the embedded box. > > > > My requirement is to run R (R scripts) on my embedded box which has > > customized debian linux (kernel version 2.6.32) in batch mode without GUI > > support. The embedded box have multi-core MIPS processor with nearly 30GB > > RAM. I hope hardware resources on the embedded box shouldn't be an issue > to > > run R (correct me if i am wrong), but linux version running here is an > > customized one with limited supporting services such as light weight > shell > > etc. > > > > Given this, do i need to cross compile R package for my embedded box or i > > can directly install the debian MIPS version of R package. But there is > no > > apt-get or other installer in the embedded box. > > > > > > Regards > > Sasi > > > > On Wed, Oct 7, 2015 at 1:46 AM, Michael Hannon < > jmhannon.ucda...@gmail.com> > > wrote: > >> > >> I don't think kernel compatibility is a significant issue for most > >> applications. I can say for certain that I update the kernels on my > >> linux boxes without having to reinstall R. > >> > >> There *are* R packages for RHEL and friends. Have a look at: > >> > >> https://cran.r-project.org/bin/linux/redhat/README > >> > >> Note that there's a bit of fiddling required, but I don't think it's > >> particularly complicated. > >> > >> It's usually not particularly difficult to install R from source. If > >> you prefer to do that, have a look at: > >> > >> https://cran.r-project.org/doc/manuals/r-release/R-admin.html > >> > >> Also, you don't specify your requirements, but don't overlook the > >> possibility of installing a virtual machine on your RHEL server. > >> (It's somewhat easier to get an R package for Fedora or Ubuntu than > >> for RHEL, for instance.) > >> > >> I don't know the answer to your question about embedded systems. I > >> would think R would not be a great choice for an embedded system, but > >> I don't know what your requirements are. > >> > >> -- Mike > >> > >> > >> On Tue, Oct 6, 2015 at 9:42 PM, Sasikumar Kandhasamy <ckms...@gmail.com > > > >> wrote: > >> > Thanks a lot Mike. The Linux distribution we use is "Red Hat > Enterprise > >> > Linux Server release 6.2". > >> > > >> > Also, couple of clarifications, > >> > > >> > 1. Do we have a R package compatibility matrix against the Linux > kernel > >> > version? Or for the Red Hat Linux with kernel version 2.6.32-279, do > you > >> > have any suggestion/recommendation on R package to be used? > >> > > >> > 2. If we need to use Rscripts in embedded systems such as routers and > >> > switches, do we need to install the complete R package in the system > >> > also? > >> > Or just libR.so and Rscript should be ok? > >> > > >> > Thanks again Mike. > >> > > >> > Regards > >> > Sasi > >> > > >> > On Tue, Oct 6, 2015 at 5:57 PM, Michael Hannon > >> > <jmhannon.ucda...@gmail.com> > >> > wrote: > >> >> > >> >> It's very likely that there is already an R package for your linux > >> >> system, and, if so, you'd probably be well-served to use that one. > >> >> You've given us the version of the kernel you're using (not a recent > >> >> one, BTW), but what linux distribution are you using? > >> >> > >> >> -- Mike > >> >> > >> >> > >> >> On Tue, Oct 6, 2015 at 3:59 PM, Sasikumar Kandhasamy > >> >> <ckms...@gmail.com> > >> >> wrote: > >> >> > Hi, > >> >> > > >> >> > I have downloaded the pre-compiled version of R package: > >> >> > r-base-core(3.2.2-1) for i386 platform. Unzipped the package under > my > >> >> > tmp > >> >> > directory (/tmp). The directories "et"c and "usr" got created with > >> >> > binaries > >> >> > R and Rscript under /tmp/usr/bin/. > >> >> > > >> >> > Executing the R (/tmp/usr/bin/R) or Rscript (/tmp/usr/bin/Rscipt) > >> >> > reports > >> >> > the below error, > >> >> > > >> >> > ./usr/bin/R > >> >> > ./usr/bin/R: line 238: > >> >> > /usr/lib/R/etc/ldpaths: No such file or directory > >> >> > ERROR: R_HOME ('/usr/lib/R') not found > >> >> > > >> >> > How to reconfigure the R environment variables? Because, i tried > >> >> > setting > >> >> > the R_HOME directory to "/tmp/usr/lib/R" but still not working. > >> >> > > >> >> > The Linux version i am using is 2.6.32. Please help me with the > >> >> > steps > >> >> > to > >> >> > install the R correctly. Thanks. > >> >> > > >> >> > Regards > >> >> > Sasi > >> >> > > >> >> > [[alternative HTML version deleted]] > >> >> > > >> >> > ______________________________________________ > >> >> > R-help@r-project.org mailing list -- To UNSUBSCRIBE and more, see > >> >> > https://stat.ethz.ch/mailman/listinfo/r-help > >> >> > PLEASE do read the posting guide > >> >> > http://www.R-project.org/posting-guide.html > >> >> > and provide commented, minimal, self-contained, reproducible code. > >> > > >> > > > > > > [[alternative HTML version deleted]] ______________________________________________ R-help@r-project.org mailing list -- To UNSUBSCRIBE and more, see https://stat.ethz.ch/mailman/listinfo/r-help PLEASE do read the posting guide http://www.R-project.org/posting-guide.html and provide commented, minimal, self-contained, reproducible code.