[Bug 1533639] Re: [ubuntu-cpc] please make /tmp a tmpfs in RAM

[Robie Basak]

I'd also add that the cloud image build process isn't the right place to
make such a change, I don't think. It should be cloud-init or some
system boot script that is shipped by a package in the archive.

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Title:
  [ubuntu-cpc] please make /tmp a tmpfs in RAM

Status in livecd-rootfs package in Ubuntu:
  Triaged

Bug description:
  In Ubuntu, we clear /tmp on every boot.

  As such, on servers, by default /tmp should actually be a tmpfs
  entirely in RAM.

  This has several advantages, mainly:
   * Performance - much faster read/write access to data in /tmp
   * Security - sensitive data would be cleared from memory on boot, rather than written (leaked) to disk -- important for encryption scenarios

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