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:
1ctrl + b2:set -g mouse onIn source file
you can add that command to ~/.tmux.conf (with no :)
and then:
1exit tmux2tmux kill-server3tmuxverified on 24.5.9, ubuntu 20.04, 4090 verified on 24.5.10