From 1720aae2a2a535f3473440efc3211c72bb8beb76 Mon Sep 17 00:00:00 2001
From: Peter Dave Hello <hsu@peterdavehello.org>
Date: Sat, 2 Oct 2021 15:39:32 +0800
Subject: [PATCH] Simplify Debian & Ubuntu Docker Engine installation guide

---
 engine/install/debian.md | 31 +-----------------------------
 engine/install/ubuntu.md | 41 +---------------------------------------
 2 files changed, 2 insertions(+), 70 deletions(-)

diff --git a/engine/install/debian.md b/engine/install/debian.md
index 06e3ecaf2a..dd16ccc3d9 100644
--- a/engine/install/debian.md
+++ b/engine/install/debian.md
@@ -107,41 +107,12 @@ from the repository.
     >  `BunsenLabs Linux Helium`, you could use `stretch`. Docker does not offer any guarantees on untested
     > and unsupported Debian distributions.
 
-    <ul class="nav nav-tabs">
-      <li class="active"><a data-toggle="tab" data-target="#x86_64_repo">x86_64 / amd64</a></li>
-      <li><a data-toggle="tab" data-target="#armhf_repo">armhf</a></li>
-      <li><a data-toggle="tab" data-target="#arm64_repo">arm64</a></li>
-    </ul>
-    <div class="tab-content">
-    <div id="x86_64_repo" class="tab-pane fade in active" markdown="1">
-
     ```console
     $ echo \
-      "deb [arch=amd64 signed-by=/usr/share/keyrings/docker-archive-keyring.gpg] {{ download-url-base }} \
+      "deb [arch=$(dpkg --print-architecture) signed-by=/usr/share/keyrings/docker-archive-keyring.gpg] {{ download-url-base }} \
       $(lsb_release -cs) stable" | sudo tee /etc/apt/sources.list.d/docker.list > /dev/null
     ```
 
-    </div>
-    <div id="armhf_repo" class="tab-pane fade" markdown="1">
-
-    ```console
-    $ echo \
-      "deb [arch=armhf signed-by=/usr/share/keyrings/docker-archive-keyring.gpg] {{ download-url-base }} \
-      $(lsb_release -cs) stable" | sudo tee /etc/apt/sources.list.d/docker.list > /dev/null
-    ```
-
-    </div>
-    <div id="arm64_repo" class="tab-pane fade" markdown="1">
-
-    ```console
-    $ echo \
-      "deb [arch=arm64 signed-by=/usr/share/keyrings/docker-archive-keyring.gpg] {{ download-url-base }} \
-      $(lsb_release -cs) stable" | sudo tee /etc/apt/sources.list.d/docker.list > /dev/null
-    ```
-
-    </div>
-    </div> <!-- tab-content -->
-
 #### Install Docker Engine
 
 This procedure works for Debian on `x86_64` / `amd64`, `armhf`, `arm64`, and Raspbian.
diff --git a/engine/install/ubuntu.md b/engine/install/ubuntu.md
index 1d33c5eb90..eb08334052 100644
--- a/engine/install/ubuntu.md
+++ b/engine/install/ubuntu.md
@@ -124,51 +124,12 @@ from the repository.
     >  `Linux Mint Tessa`, you could use `bionic`. Docker does not offer any guarantees on untested
     > and unsupported Ubuntu distributions.
 
-    <ul class="nav nav-tabs">
-      <li class="active"><a data-toggle="tab" data-target="#x86_64_repo">x86_64 / amd64</a></li>
-      <li><a data-toggle="tab" data-target="#armhf_repo">armhf</a></li>
-      <li><a data-toggle="tab" data-target="#arm64_repo">arm64</a></li>
-      <li><a data-toggle="tab" data-target="#s390x_repo">s390x</a></li>
-    </ul>
-    <div class="tab-content">
-    <div id="x86_64_repo" class="tab-pane fade in active" markdown="1">
-
     ```console
     $ echo \
-      "deb [arch=amd64 signed-by=/usr/share/keyrings/docker-archive-keyring.gpg] {{ download-url-base }} \
+      "deb [arch=$(dpkg --print-architecture) signed-by=/usr/share/keyrings/docker-archive-keyring.gpg] {{ download-url-base }} \
       $(lsb_release -cs) stable" | sudo tee /etc/apt/sources.list.d/docker.list > /dev/null
     ```
 
-    </div>
-    <div id="armhf_repo" class="tab-pane fade" markdown="1">
-
-    ```console
-    $ echo \
-      "deb [arch=armhf signed-by=/usr/share/keyrings/docker-archive-keyring.gpg] {{ download-url-base }} \
-      $(lsb_release -cs) stable" | sudo tee /etc/apt/sources.list.d/docker.list > /dev/null
-    ```
-
-    </div>
-    <div id="arm64_repo" class="tab-pane fade" markdown="1">
-
-    ```console
-    $ echo \
-      "deb [arch=arm64 signed-by=/usr/share/keyrings/docker-archive-keyring.gpg] {{ download-url-base }} \
-      $(lsb_release -cs) stable" | sudo tee /etc/apt/sources.list.d/docker.list > /dev/null
-    ```
-
-    </div>
-    <div id="s390x_repo" class="tab-pane fade" markdown="1">
-
-    ```console
-    $ echo \
-      "deb [arch=s390x signed-by=/usr/share/keyrings/docker-archive-keyring.gpg] {{ download-url-base }} \
-      $(lsb_release -cs) stable" | sudo tee /etc/apt/sources.list.d/docker.list > /dev/null
-    ```
-
-    </div>
-    </div> <!-- tab-content -->
-
 #### Install Docker Engine
 
 1. Update the `apt` package index, and install the _latest version_ of Docker