Librem 5:Can't Update - 404 Not found
=====================================

This is another issue I saw when I first got my Librem 5 Evergreen. I was
pretty excited to install updates on it initially to see what work had been
done since the phone was built (I'm an update junkie, what can I say).

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    Unfortunately, when I checked for updates, I got the following error message::

      Unable to download update:
      E: https://repo.pureos.net/pureos amber-security/main arm64 libldap-common all 2.4.47+dfsg-3+deb10u3 is not (yet) available (404 Not Found [IP:138.201.228.45 443])

    I tried a number of things, none of which worked. I ultimate checked the
    pureos.net server to see if that file and that version was actually hosted
    there (specificallly ``deb10u3``). It was not. However, ``deb10u8`` was, which
    refreshing the apt cache should have picked up. I downloaded the package index
    and checked it for that file in case it had been generated wrong, and
    everything looked good. For some reason, my Librem 5 wasn't updating the apt
    cache, even when I ran ``apt update`` via the terminal. I wasn't getting any
    errors either; only the one above when I actually tried to install updates
    (``apt upgrade``).


    So, first I tried ``sudo apt clean``, hoping that'd do the trick. Alas, no
    money.

    Finally, I resorted to manually deleting the entire apt cache like so::

      sudo rm -r /var/lib/apt/lists
      sudo apt update

    Refreshing the package cache that time took significantly longer (over a
    minute), but ``apt upgrade`` worked great after that.

    I hope that helps!