GitHub - codedogapp/tmux-send-all: Send a command to all your panes in a tmux window

Tmux Send All Plugin

A tmux plugin that sends a command to all your panes.

prefix + a: triggers the input in tmux command prompt

The default key bindings can be overridden by set -g @sendall-key 'b'

Add plugin to the list of TPM plugins in .tmux.conf:

set -g @plugin 'codedogapp/tmux-send-all'

Hit prefix + I to fetch the plugin and source it. You should now be able to use the plugin.

Clone the repository to you designated path

Add this line to your .tmux.conf

run-shell ~/clone/path/send_all.tmux

Reload TMUX environment with: $ tmux source-file ~/.tmux.conf. You should now be able to use the plugin.