[GLLUG] How to clear the Debian apt data without breaking the installed system?

[Andy Smith]

Hi Chris,

On Wed, Nov 04, 2015 at 12:59:59PM +0000, Chris Bell wrote:
> I have Debian Stretch (testing) installed on a box which complains
> that the hash sums for some index files on a local mirror are
> incorrect, so it is unable to re-build the list for that mirror.

The actual error text would be useful.

> I can deselect the mirror in the /etc/apt/sources.list and do an
> update, then reselect it, and the complaints return.

It sounds like the mirror may have corrupted data on it though.

> Can I safely delete a cache on disc without breaking the entire
> installation?

Which cache exactly? In general it *should* be safe to delete
anything under /var/cache given its purpose. More specifically it is
safe to delete everything under /var/cache/apt/.

Cheers,
Andy

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