This question already has an answer here:
- apt-get 403 Forbidden 3 answers
Now that the mirrors are not offering the uncompressed version of "Packages", what is the official way to update the system to take into account the compressed version like "Packages.gz"?
W: Failed to fetch http://ca.archive.ubuntu.com/ubuntu/dists/precise-backports/multiverse/binary-amd64/Packages 403 Forbidden [IP: 22.214.171.124 80]
NB: Ubuntu server so no GUI so it's not a duplicate.
Summary: how to make apt-get look for "Packages.gz" instead of "Packages" (note the ".gz")