[fhs-discuss] static sharable files
Roger Leigh
rleigh at codelibre.net
Tue May 10 01:07:48 PDT 2011
On Mon, May 09, 2011 at 11:22:30PM -0400, Jeff Licquia wrote:
> On 05/09/2011 05:38 AM, Roger Leigh wrote:
> > But all of the existing issues identified by having the separation
> > fail to address an even bigger issue: sharing /usr is entirely
> > incompatible with a modern package manager, and this has always been
> > the case. See:
> >
> > http://lists.debian.org/debian-devel/2011/01/msg00152.html
>
> This is true for (most) Linux distributions, but let's not forget that
> the FHS tries to be a standard for UNIX-like filesystems in general,
> including systems like the *BSDs, Solaris, etc.
>
> I'm not saying you're wrong, but we need to be considerate of
> "historical" use cases for some of our older cousins, even if those use
> cases no longer make sense in the Linux context.
In the case of sharing /usr, I would be interested to know if
any BSD or Solaris user did this, and I would be rather surprised if
they supported it, because they also suffer from all system
configuration being in /etc (with no /usr/etc). Hence they have
exactly the same sharing issues as on Linux.
I did find one instance of FreeBSD /usr being shared between thin
clients. But like the few cases of Linux users doing this, the
issue of syncing /etc and keeping files outside /usr up-to-date is
unaddressed. So from the distributor's POV, this isn't a supported
feature--it's a hack implemented by the end user.
In general, I have no problem with the wider scope of the FHS, but
in this case I think that a "shared" /usr is really something which
should be a historical footnote rather than an accepted practice on
any modern system.
Regards,
Roger
--
.''`. Roger Leigh
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