[ESS] Using ssh from within emacs 22 to connect to another computer and run ess-remote

[Douglas Bates]

On Wed, Aug 27, 2008 at 12:09 PM, Charles C. Berry <cberry at tajo.ucsd.edu> wrote:
> On Wed, 27 Aug 2008, Kasper Daniel Hansen wrote:
>
>> I may be completely outdated, but this is what I do.
>>
>> Start a shell inside Emacs (M-x shell ). Switch to shell process and ssh
>> to the appropriate server. Start R. Now execute ess-remote (M-x ess-remote).
>> This tells Emacs/ESS that the shell process is really just an R process. You
>> now have R running.
>
> Pretty much the same for me, too. But I issue
>        cd mypath
>        stty -echo
>        export PAGER=/bin/cat
>
> at the remote host prompt before 'R'.
>
> Find-file handles remote files without (IIRC) any customization.
>
> So
>        C-x C-f /memyself at myhost.mydomain:mypath RET
> or
>        C-x C-f /ssh:memyself at myhost.mydomain:mypath RET
>
>
> will pop me into a file/dired buffer after prompting for a password, if
> needed.

I believe that capability comes from tramp.  If you check the
*Messages* buffer you will probably see that tramp has been loaded as
soon as you issue such a remote file designation.
> Nothing special in my .emacs file.
>
> HTH,
>
> Chuck
>
>
>>
>> Only caveat was that last time I used it (and that is some time ago),
>> sometimes C-c C-c would stop the ssh connection instead of just stopping R.
>>
>
> Yes. That IS annoying! :-(
>
>> Kasper
>>
>> On Aug 27, 2008, at 8:23 AM, Douglas Bates wrote:
>>
>>> I have now spent several hours trying to find out how to do something
>>> that I feel should have taken me just a few minutes and I still have
>>> no idea how to accomplish this.
>>>
>>> My computer at work is quarantined behind a firewall because I run
>>> Ubuntu on it and not the approved and supported version of RHEL 5.
>>> The only way I can connect to other computers inside the department is
>>> through ssh and preferably with kerberos authentication.  If I want to
>>> connect from a terminal I should run
>>>
>>> ssh -K -Y desk00.stat.wisc.edu
>>>
>>> Emacs 22 for Ubuntu has tramp and telnet as part of the system and the
>>> tramp documentation tells you all about connections with ssh to edit
>>> files on remote machines.  Similarly ESS describes using ess-remote.
>>> However, I feel that I am missing out on something terribly obvious
>>> because after a few hours of reading documentation and source code I
>>> still have not found out what I can do to create an ssh connection to
>>> another machine.
>>>
>>> The ESS documentation lists an ftp site for an ancient elisp file
>>> ssh.el but I can't believe that this is a) necessary and b) up to date
>>> with current capabilities in telnet.el and tramp.el.  Is it really
>>> true that the only way to get an ssh connection to a remote machine
>>> from within emacs 22 is to load a 10-year old elisp file?  It is
>>> bizarre that there is a supported telnet function and no supported ssh
>>> function.
>>>
>>> I feel like a new R user who is convinced that you can do something in
>>> R but just cannot find the necessary function to accomplish it.
>>>
>>> Is it as simple as modifying the variable telnet-host-properties?  The
>>> documentation seems to indicate that I could somehow define an
>>> "element" of that variable but in that grand elisp tradition there is
>>> absolutely no indication of how I would do that.
>>>
>>> ______________________________________________
>>> ESS-help at stat.math.ethz.ch mailing list
>>> https://stat.ethz.ch/mailman/listinfo/ess-help
>>
>> ______________________________________________
>> ESS-help at stat.math.ethz.ch mailing list
>> https://stat.ethz.ch/mailman/listinfo/ess-help
>>
>
> Charles C. Berry                            (858) 534-2098
>                                            Dept of Family/Preventive
> Medicine
> E mailto:cberry at tajo.ucsd.edu               UC San Diego
> http://famprevmed.ucsd.edu/faculty/cberry/  La Jolla, San Diego 92093-0901
>
>
>