[mathmos@cygnus]~/prosody% ./prosody

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Prosody was unable to find luaexpat
This package can be obtained in the following ways:

        Source:           http://www.keplerproject.org/luaexpat/
        Debian/Ubuntu:    sudo apt-get install liblua5.1-expat0
        luarocks:         luarocks install luaexpat

luaexpat is required for Prosody to run, so we will now exit.
More help can be found on our website, at http://prosody.im/doc/depends
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Prosody was unable to find luasocket
This package can be obtained in the following ways:

        Source:           http://www.tecgraf.puc-rio.br/~diego/professional/luasocket/
        Debian/Ubuntu:    sudo apt-get install liblua5.1-socket2
        luarocks:         luarocks install luasocket

luasocket is required for Prosody to run, so we will now exit.
More help can be found on our website, at http://prosody.im/doc/depends
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Prosody was unable to find luafilesystem
This package can be obtained in the following ways:

        Source:           http://www.keplerproject.org/luafilesystem/
        Debian/Ubuntu:    sudo apt-get install liblua5.1-filesystem0
        luarocks:         luarocks install luafilesystem

luafilesystem is required for Prosody to run, so we will now exit.
More help can be found on our website, at http://prosody.im/doc/depends
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Prosody was unable to find LuaSec
This package can be obtained in the following ways:

        Source:           http://www.inf.puc-rio.br/~brunoos/luasec/
        Debian/Ubuntu:    http://prosody.im/download/start#debian_and_ubuntu
        luarocks:         luarocks install luasec

SSL/TLS support will not be available
More help can be found on our website, at http://prosody.im/doc/depends
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