From 9a9cbcdb68e2abbdddff43fa64f7f50d8e603333 Mon Sep 17 00:00:00 2001
From: Greg Wilson <gvwilson@third-bit.com>
Date: Fri, 6 May 2016 06:35:16 -0400
Subject: [PATCH] How to set up

---
 _episodes/01-tooling.md | 16 ++++++++++++++++
 1 file changed, 16 insertions(+)

diff --git a/_episodes/01-tooling.md b/_episodes/01-tooling.md
index 2dd463b..0f63add 100644
--- a/_episodes/01-tooling.md
+++ b/_episodes/01-tooling.md
@@ -139,6 +139,21 @@ we store files that appear directly in the navigation bar
 (rather than under a pulldown menu)
 in the root directory of the lesson.
 
+## Installing
+
+You can preview changes by pushing to the `gh-pages` branch of your own repository,
+but it's often easier to view them locally first.
+To do that,
+you will need to install [Jekyll][jekyll] and a few other packages used by GitHub Pages.
+The easiest way to do that is:
+
+1.  Install Ruby if you don't already have it.
+2.  Install Ruby Gems (Ruby's package manager).
+3.  `gem install github-pages` (which will give you Jekyll and things it depends on).
+
+See [the Jekyll installation documentation][jekyll-install]
+for full instructions.
+
 ## Previewing
 
 [Jekyll][jekyll] can be used in two ways:
@@ -158,6 +173,7 @@ Run `make` on its own to get a list of commands.
 [github-importer]: https://import.github.com/
 [jekyll]: http://jekyllrb.com/
 [jekyll-collection]: https://jekyllrb.com/docs/collections/
+[jekyll-install]: https://jekyllrb.com/docs/installation/
 [jupyter]: https://jupyter.org/
 [pandoc]: https://pandoc.org/
 [r-markdown]: http://rmarkdown.rstudio.com/
-- 
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