Enable mouse

ref: https://www.nodeseek.com/post-18315-1 ref: https://unix.stackexchange.com/questions/516800/how-do-i-enable-tmux-mouse-support

for tmux 3.0a on ubuntu 20.04:

1
ctrl + b
2
:set -g mouse on

In source file

you can add that command to ~/.tmux.conf (with no :)

and then:

1
exit tmux
2
tmux kill-server
3
tmux

verified on 24.5.9, ubuntu 20.04, 4090 verified on 24.5.10