Tutorial on using watch, a UNIX and Linux command for executing a program periodically and showing a fullscreen output. Examples of watching a file download, a network interface come up, and showing the five most CPU intensive processes.
Statuslines in Vim are not hard to create. Making your own means one less dependency in your life.
tmux 2.4 made a significant change to key bindings. Here is how to support custom keybindings for versions before and after tmux 2.4