Re: [gentoo-user] What is the proper fstab line for shm memory (tmpfs)

[William Kenworthy <billk@iinet.net.au>]

On Fri, 2010-02-26 at 13:28 +0100, Volker Armin Hemmann wrote:
> On Freitag 26 Februar 2010, William Kenworthy wrote:
> > I have a number of systems with different shm lines in fstab - but which
> > is correct? - I think they all work, but which is best (and why)?  The
> > main use I am concerned about is a PXE system with root over nfs where I
> > am putting the portage tmp and some other stuff in tmpfs for speed.
> > 
> > tmpfs	/dev/shm	tmpfs	defaults		0 0
> > shm	/dev/shm        tmpfs   nodev,nosuid,noexec     0 0
> > none	/dev/shm	tmpfs	defaults                0 0
> > 
> > I suspect the middle line is correct.
> > 
> > BillK
> 
> I have 
> 
> shm                     /dev/shm        tmpfs           nodev,nosuid,noexec     
> 0 0
> 
> for ages in fstab. If it is wrong, I am living a lie for years now.

Thanks, the reason I am not sure is I often copy fstab between machines
to speed up configuration, and I suspect the lines with "defaults" trace
back to circa 1989 (my first gentoo - over dialup modem with 7 days of
downloading/compiling on a 200Mhz K6 :) or whenever tmpfs appeared in
the kernel.

BillK