#Ubuntu, Fedora and their derivatives
bash -c "$(wget -q https://raw.githubusercontent.com/OpenBangla/OpenBangla-Keyboard/master/tools/install.sh -O -)"

#Archlinux and it’s derivatives
pacaur -S openbangla-keyboard
yay -S openbangla-keyboard
yaourt -S openbangla-keyboard

#and add what ever layout want