Use this cheat sheet for tmux as a terminal multiplexer: 
Whether you’re starting up an elaborate Raspberry Pi homelab or you’re managing a building full of workstations, sometimes you need to do the same task on multiple hosts. There are many ways to automate tasks across systems. Ansible, for instance, ensures all systems are in the same state, and sometimes a simple cron job will do.
read more: Opensource.com sethkenlon
Supporting Open Source.
Have you tried: Diving with Sharks?