visit callblueday.com
my blog used jekyll 3.0.1 with theme Emerald
jekyll server
gem install octopress
# for mac OSX 10.11+ El Capitan
gem install -n /usr/local/bin octopress
octopress new post "My Title"
init <PATH> # Adds Octopress scaffolding to your site
new <PATH> # Like `jekyll new` + `octopress init`
new post <TITLE> # Add a new post to your site
new page <PATH> # Add a new page to your site
new draft <TITLE> # Add a new draft post to your site
publish <POST> # Publish a draft from _drafts to _posts
unpublish <POST> # Search for a post and convert it into a draft
isolate [POST] # Stash all posts but the one you're working on for a faster build
integrate # Restores all posts, doing the opposite of the isolate command
deploy # deploy your site via S3, Rsync, or to GitHub pages.
More about octopress