From 8f19793ad2bc2db580cedea7f36ed133cb32ff95 Mon Sep 17 00:00:00 2001
From: Yonghye Kwon <developer.0hye@gmail.com>
Date: Mon, 29 Aug 2022 23:32:13 +0900
Subject: [PATCH] add start command to run hello-world image

---
 engine/install/ubuntu.md | 1 +
 1 file changed, 1 insertion(+)

diff --git a/engine/install/ubuntu.md b/engine/install/ubuntu.md
index 67cef06c0b..d84610e2b6 100644
--- a/engine/install/ubuntu.md
+++ b/engine/install/ubuntu.md
@@ -195,6 +195,7 @@ a new file each time you want to upgrade Docker.
     image.
 
     ```console
+    $ sudo service docker start
     $ sudo docker run hello-world
     ```