tmux. Tmux is a terminal multiplexer for Unix-like operating systems and allows us to split our terminal screen in half (among other things). Install
tmuxwith the following command on your ATM:
tmuxinto the command line.
tmuxhas to be "announced" with the key combination
Ctrl + b. Let's try this 🍪 ! First do
Ctrl + band then the percent sign
%(you might have to use the
Shiftkey for this). This should have split your terminal window vertically in half.
Ctrl + band then
right arrow. You can adjust the size of the two windows by typing
Ctrl + band while keeping the
Ctrlkey pushed down , use the left/right arrow keys to adjust it to your liking (press the arrow keys multiple times).
Ctrl + band the key
d. If you want to get back into that same session type:
./app.pyand then try again).
Application started. Perfect, we can now monitor closely what is going on inside the ATM. It should now look something like this: