https://stackoverflow.com/questions/55394537/how-to-install-flatc-and-flatbuffers-on-linux-ubuntu

solution for flatc and flatbuffers for linux ubuntu :

1. choice “folder for installation”
2. cd “folder for installation”
3. git clone https://github.com/google/flatbuffers.git
4. cd flatbuffers
5. cmake -G “Unix Makefiles” (install cmake if need)
6. make
7. sudo ln -s /full-path-to-flatbuffer/flatbuffers/flatc /usr/local/bin/flatc
8. chmod +x /full-path-to-flatbuffer/flatbuffers/flatc
9. run in any place as “flatc”