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Re: urgent request for ksh on cluster machines

daemon@ATHENA.MIT.EDU (Jonathan Reed)
Mon Sep 13 13:30:51 2010

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From: Jonathan Reed <jdreed@MIT.EDU>
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Resent-From: Jonathan Reed <jdreed@MIT.EDU>
Date: Mon, 13 Sep 2010 13:29:56 -0400
Cc: Geoffrey Thomas <geofft@mit.edu>, "debathena@mit.edu" <debathena@mit.edu>
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To: Alex T Prengel <alexp@mit.edu>
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(despite asking release-team for input, I didn't actually send it here)

One of the whole points of the chroot on the cluster machines is that users can install whatever they want for the duration of the login session.  I'd also really like to get out of the business of "urgent" updates that aren't really urgent but are more of a convenience issue.  If a user were to install ksh themselves on a cluster machine, is that sufficient to get cadence running?

If so, I'd like to ask that students who need cadence install their own ksh for the time being.  We can certainly add it to the release at some point (TSM still wants it, doesn't it?) but given that we have a lot of other issues right now, if users installing it themselves works, that might be the best solution.  Anyone else from release-team want to chime in on this?

-Jon

On Sep 13, 2010, at 1:23 PM, Alex T Prengel wrote:

> On Mon, 2010-09-13 at 13:15 -0400, Geoffrey Thomas wrote:
>> There are a couple of versions of ksh available - looks like 'ksh' 
>> (universe) is classic AT&T ksh from 1988 with some recent improvements in 
>> 1993, 'pdksh' (main) is a popular reimplementation, 'zsh' (main) provides 
>> a /bin/ksh and a /usr/bin/ksh, and 'mksh' (universe) is a fork of pdksh 
>> from the, uh, MirBSD project?. Linerva has ksh installed in the form of 
>> zsh, although cadence has been known to cause system stability problems in 
>> the past somehow.
>> 
>> I would prefer to install zsh if there aren't any strong reasons to prefer 
>> another one.
>> 
> 
> I presume they want whatever ksh works best with Cadence- can you check
> with Michael McIlrath (mbm@mit.edu) about this? I'd suggest that you ask
> him to test this if possible before rolling it out.
> 
>                                          Thanks,
> 
>                                                  A.
> 



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