A summary of how to set up a full Wikipedia.org mirror using several different approaches: Nginx as a caching proxy in front of wikipedia.org, Kiwix serving a downloaded backup, a full Mediawiki install with a database dump, or a mirror of Wikipedia made with XOWA.
OpenStreetmap's wiki page pertaining to planet.osm, the planet-wide database dump of the OSM. Includes formats, mirrors, bittorrent, and technical notes. Might be useful to read.
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