Starting a new tmux session and detaching it, all inside a shell script

Question

I am trying to create a new tmux session and execute the command \'vagrant up\'. \'Vagrant up\' takes more than 3 hours so I want to detach the session so that I can come ba

Answer 1

Start a shell, and send vagrant up to it, so you can see the errors.

tmux new-session -d -s rbt123
tmux send-keys 'vagrant up' C-m
tmux detach -s rtb123

The C-m means hit return.