Apple menu -> System Preferences -> Security & Privacy -> Firewall
sudo pfctl -e
sudo dnctl pipe 1 config bw 10Kbit/s
$vim ~/.vimrc
set number
set nocompatible " be iMproved, required
filetype off " required
" set the runtime path to include Vundle and initialize
set rtp+=~/.vim/bundle/Vundle.vim
call vundle#begin()
" alternatively, pass a path where Vundle should install plugins