FAIme using apt-cacher-ng

The FAI.me service has become faster over the past two months. First, the tool fai-mirror can now download all packages in one go (with all their dependencies) instead of downloading one by one. This helped a lot for the Linux Mint ISO because it uses a long list of packages. I've also added a local apt cache (using apt-cacher-ng ), so the network speed does not matter any more in most cases. This…