Installation ------------ Installing `barracuda` for TeX Live If you have TeX Live installed from CTAN or from DVD TeX Collection, check before any modification to your system if the package is already installed looking for `installed` key in the output of the command: $ tlmgr show barracuda If `barracuda` is not present, run the command: $ tlmgr install barracuda If you have installed TeX Live via Linux OS repository try your distribution's package management system. It's also possible a manual installation: a. Grab the sources from CTAN or https://github.com/robitex/barracuda . b. Unzip it at the root of one or your TDS trees. c. You may need to update some filename database after this, see your TeX distribution's manual for details. Installing for Lua Manually copy `src` folder content to a suitable directory of your system that is reachable to Lua interpreter.