I am a new bie to Tex and when i try to run the sample code given in the posting Ways to parse JSON in LaTeX?, i run into the error:

Package luacode Error: LuaTeX is required for this package. Aborting..

i know, this is rudimentary, but how to install LuaTeX package on a ubuntu 14.04 machine?

  • 1
    now, i tried lualatex file_name, and there are no errors. thanks.
    – Madhavan
    Feb 28 '15 at 7:10
  • Welcome to TeX.SE!, by the way.
    – Mico
    Feb 28 '15 at 7:22

It is probably already installed. You may have used (La)TeX (or pdf(La)TeX or Xe(La)TeX on a file that requires Lua(La)TeX. If you use the command line, try something like luatex myfile.tex or lualatex myfile.tex.

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