RFC on Cloud Images: Make /tmp a tmpfs

[Seth Arnold]

On Wed, Jan 13, 2016 at 11:00:16PM +0100, Martin Pitt wrote:
> In a perfect world we'd have some clever tmpfs file system which would
> use RAM as available and start overflowing onto a disk partition
> (which could be LUKS with a random key) when necessary.. But even

In fact this is what happens, 'unused' data from tmpfs heads to swap. So
just configure swap space on your systems.

See https://www.kernel.org/doc/Documentation/filesystems/tmpfs.txt for
details.

Thanks
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