See http://tug.org/texlive/pkgupdate.html for what information there is on the CTAN-to-TL update process. To add a new architecture: - check that the config.guess output maps to our architecture name (the `platform' routine in TeXLive/TLUtils.pm) - create directory in Master/bin and add at least one file - add lzma and lzmadec binaries in Master/tlpkg/installer - add description in Master/tlpkg/TeXLive/TLUtils.pm - regenerate tlpdb.