I was using a 100MB tmpfs for /tmp which worked on Jessie. I increased
it to 500MB and it still didn't allow apt to update on Ascii. So, to
answer your question I put /tmp on another file system with 6GB free and
the update worked. I didn't have enough free space on /tmp after all.

Reading the man page for apt-secure I am wondering if changes to apt
regarding signature checking require more /tmp space.

-Vince-

On 03/07/17 09:25, KatolaZ wrote:
> I don't know whether it's relevant, but apt keeps ranting about not
> being able to create a temporary file under /tmp. Are you sure you
> have enough space there?
>
> My2Cents
>
> KatolaZ
>
>
>
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