How to set terminator as the default terminal

Why terminator? 

terminator supports screen splits
ctrl+shift+e: horizontal split
ctrl+shift+o: vertical split

Installation 

sudo apt install terminator

Set it as the default terminal

sudo update-alternatives --config x-terminal-emulator

or

sudo mv /usr/bin/gnome-terminal /usr/bin/gnome-terminal.bak
sudo ln /usr/bin/terminator /usr/bin/gnome-terminal

Fix a problem related to ctrl+shift+e

ibus-setup

disable the Emoji shortcuts