• Folders, Memos and Blobs are represented on disk as “Shard” and have address produced by hashing their content. This allows deduplication and (in the future) search for content by hash
• Folders and Memos have mandatory Name and Parent field that is used by apps for lookups
• “Public” area is separated from from private storage and contains either hashes or blobs
• Cache servers store additional data for each

apt install libapache2-mod-php8.3 php-pear php-dev lua5.1 liblua5.1-dev
pecl install LuaSandbox
echo extension=luasandbox.so > /etc/php/8.3/apache2/conf.d/99-luasandbox.ini
echo extension=luasandbox.so > /etc/php/8.3/cli/conf.d/99-luasandbox.ini