starting and stopping mongo

If you have mongodb installed via homebrew, homebrew actually has a handy brew services command. To show current running services:
brew services list
To start mongodb:
brew services start mongodb
To stop mongodb if it’s already running:
brew services stop mongodb

src

yaml

Basically JSON

http://www.yaml.org/start.html

ESP8266

“It is sold as a wifi to serial module.”

nano

delete line:
control+c+k
control- will give you a line prompt
nano +[line #] filename to open at line

pi check disk space

df -Bg

hexo

hexo new [title]

hexo generate

hexo server

hexo deploy #sends /public to github

removing dups in history

add
HISTCONTROL=erasedups
in bash_profile/zshrc/etc