From 7b54be7e1a6c9deabbcb1a5a1cdb20e3993b2f74 Mon Sep 17 00:00:00 2001
From: ishikawa999 <remember929@gmail.com>
Date: Sun, 8 Oct 2023 15:45:45 +0900
Subject: [PATCH] Add sudo apt-get update

---
 _pages/thumbnails.md | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/_pages/thumbnails.md b/_pages/thumbnails.md
index a68c9458..877e64dd 100644
--- a/_pages/thumbnails.md
+++ b/_pages/thumbnails.md
@@ -29,7 +29,8 @@ brew install imagemagick
   <div class="nix">
 <p>Ubuntu を使っている場合、ターミナルで次のコマンドを実行してください:</p>
 {% highlight sh %}
-sudo apt-get install imagemagick
+sudo apt-get update
+sudo apt-get install -y imagemagick
 {% endhighlight %}
   </div>
   <div class="win">