redirect old URL

Gemfile

@@ -1,2 +1,3 @@
 source "https://rubygems.org"
+gem 'jekyll-redirect-from'
 gemspec

Gemfile.lock

@@ -24,7 +24,6 @@ GEM
     faraday (0.10.0)
       multipart-post (>= 1.2, < 3)
     ffi (1.9.14)
-    ffi (1.9.14-x64-mingw32)
     forwardable-extended (2.6.0)
     gemoji (2.1.0)
     html-pipeline (2.4.2)
@@ -47,6 +46,8 @@ GEM
     jekyll-gist (1.4.0)
       octokit (~> 4.2)
     jekyll-paginate (1.1.0)
+    jekyll-redirect-from (0.11.0)
+      jekyll (>= 2.0)
     jekyll-sass-converter (1.5.0)
       sass (~> 3.4)
     jekyll-sitemap (0.12.0)
@@ -70,8 +71,6 @@ GEM
     multipart-post (2.0.0)
     nokogiri (1.6.8.1)
       mini_portile2 (~> 2.1.0)
-    nokogiri (1.6.8.1-x64-mingw32)
-      mini_portile2 (~> 2.1.0)
     octokit (4.6.2)
       sawyer (~> 0.8.0, >= 0.5.3)
     pathutil (0.14.0)
@@ -97,6 +96,7 @@ PLATFORMS
 
 DEPENDENCIES
   bundler (~> 1.12)
+  jekyll-redirect-from
   minimal-mistakes-jekyll!
   rake (~> 10.0)
 

_config.yml

@@ -192,6 +192,7 @@ gems:
   - jekyll-gist
   - jekyll-feed
   - jemoji
+  - jekyll-redirect-from
 
 # mimic GitHub Pages with --safe
 whitelist:

_pages/NFIRM-Downgrade.md

@@ -1,6 +1,7 @@
 ---
 title: "NFIRM Downgrade"
 permalink: /nfirm-downgrade.html
+redirect_from: "/dsiware-downgrade"
 ---
 
 If you are between 11.0.0 and 11.2.0, you must follow this guide to downgrade your NFIRM using one of the methods at the bottom of this page to directly dump and restore your NAND.