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