diff --git a/engine/installation/linux/centos.md b/engine/installation/linux/centos.md
index 74b34702ba..53eed8bb59 100644
--- a/engine/installation/linux/centos.md
+++ b/engine/installation/linux/centos.md
@@ -145,9 +145,13 @@ Docker from the repository.
     $ sudo yum -y install docker-engine-<VERSION_STRING>
     ```
 
-    The Docker daemon starts automatically.
+4.  Start Docker.
 
-4.  Verify that `docker` is installed correctly by running the `hello-world`
+    ```bash
+    $ sudo systemctl docker start
+    ```
+
+5.  Verify that `docker` is installed correctly by running the `hello-world`
     image.
 
     ```bash
@@ -188,9 +192,13 @@ a new file each time you want to upgrade Docker.
     $ sudo yum -y install /path/to/package.rpm
     ```
 
-    The Docker daemon starts automatically.
+3.  Start Docker.
 
-3.  Verify that `docker` is installed correctly by running the `hello-world`
+    ```bash
+    $ sudo systemctl docker start
+    ```
+
+4.  Verify that `docker` is installed correctly by running the `hello-world`
     image.
 
     ```bash
diff --git a/engine/installation/linux/fedora.md b/engine/installation/linux/fedora.md
index 6469fed17e..52e36b8675 100644
--- a/engine/installation/linux/fedora.md
+++ b/engine/installation/linux/fedora.md
@@ -149,9 +149,13 @@ Docker from the repository.
     $ sudo dnf -y install docker-engine-<VERSION_STRING>
     ```
 
-    The Docker daemon starts automatically.
+4.  Start Docker.
 
-4.  Verify that `docker` is installed correctly by running the `hello-world`
+    ```bash
+    $ sudo systemctl docker start
+    ```
+
+5.  Verify that `docker` is installed correctly by running the `hello-world`
     image.
 
     ```bash
@@ -192,9 +196,13 @@ a new file each time you want to upgrade Docker.
     $ sudo dnf -y install /path/to/package.rpm
     ```
 
-    The Docker daemon starts automatically.
+3.  Start Docker.
 
-3.  Verify that `docker` is installed correctly by running the `hello-world`
+    ```bash
+    $ sudo systemctl docker start
+    ```
+
+4.  Verify that `docker` is installed correctly by running the `hello-world`
     image.
 
     ```bash
diff --git a/engine/installation/linux/rhel.md b/engine/installation/linux/rhel.md
index 283de0af07..9aa9bad7ad 100644
--- a/engine/installation/linux/rhel.md
+++ b/engine/installation/linux/rhel.md
@@ -148,9 +148,13 @@ Docker from the repository.
     $ sudo yum -y install docker-engine-<VERSION_STRING>
     ```
 
-    The Docker daemon starts automatically.
+4.  Start Docker.
 
-4.  Verify that `docker` is installed correctly by running the `hello-world`
+    ```bash
+    $ sudo systemctl docker start
+    ```
+
+5.  Verify that `docker` is installed correctly by running the `hello-world`
     image.
 
     ```bash
@@ -192,9 +196,13 @@ need to download a new file each time you want to upgrade Docker.
     $ sudo yum install /path/to/package.rpm
     ```
 
-    The Docker daemon starts automatically.
+3.  Start Docker.
 
-3.  Verify that `docker` is installed correctly by running the `hello-world`
+    ```bash
+    $ sudo systemctl docker start
+    ```
+
+4.  Verify that `docker` is installed correctly by running the `hello-world`
     image.
 
     ```bash