Powerline is a statusline plugin for vim, and provides status lines and prompts for several other applications, including zsh, bash, fish, tmux, IPython, Awesome, i3, and Qtile.
In other words, it is a very powerful and very cool piece of software, and I use it in some capacity on all my servers. It can be installed a few ways with binaries available in most distro's main repositories and many derivatives available. I prefer the Python
userspace installation method outlined below as it lends itself to portability and works better with my virtualization practices.