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Re: remoting ESS/R with tramp

From: Rodney Sparapani
Subject: Re: remoting ESS/R with tramp
Date: Thu, 12 Jan 2012 12:09:18 -0600
User-agent: Thunderbird (X11/20110927)

Tom Roche wrote:
summary: can/should one remotely run ESS on R using tramp? If so,
please help with problem (see below) starting remote R process.


I've started working with large netCDF datafiles which live on a linux
cluster to which I have access, but not root. The cluster has an
uplevel R and NetCDF libraries (and particularly has the prerequisites
for R package=ncdf4) but downlevel emacs. By contrast, my linux laptop
has uplevel emacs, but can't currently run ncdf4. Hence I'd prefer to
run emacs and ESS on my laptop, and R and ncdf4 on the cluster.

I note the ESS docs state
3.3 ESS processes on Remote Computers

ESS works with processes on remote computers as easily as with
processes on the local machine. The recommended way to access [R] on
a remote computer is to start it from a telnet or ssh buffer and
then connect ESS to that buffer.

1 Start a new telnet or ssh buffer and connect to the remote
  computer (e.g. use ‘M-x telnet’ or ‘M-x ssh’; ssh.el is available

However IIRC ssh.el is quite old and has been long superceded by
tramp: am I missing something? I also note

Hi Tom:

This may be no solace, but it just works for me out of the box.
The one exception is that graphics don't pop open, but I can
live with that.  So, I just remotely tramp a file.  Then, in
that buffer do a M-x R  For me, that opens a remote R session;
no ssh.el required.  C-c C-b submits my remote file to the remote
R.  ESS is amazing!


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