Update install-w-machine.md

swarm/install-w-machine.md

@@ -37,15 +37,17 @@ Daemon running on each node. Other discovery service backends such as
 
 1.  List the machines on your system.
 
+    ```bash
     $ docker-machine ls
     NAME         ACTIVE   DRIVER       STATE     URL                         SWARM
     docker-vm    *        virtualbox   Running   tcp://192.168.99.100:2376
+    ```
 
-	This example was run a macOS system with Docker Toolbox installed. So, the
+	  This example was run a macOS system with Docker Toolbox installed. So, the `docker-vm` virtual machine is in the list.
-		`docker-vm` virtual machine is in the list.
 
 2.  Create a VirtualBox machine called `local` on your system.  
 
+    ```bash
 		$ docker-machine create -d virtualbox local
 		INFO[0000] Creating SSH key...                          
 		INFO[0000] Creating VirtualBox VM...                    
@@ -53,10 +55,13 @@ Daemon running on each node. Other discovery service backends such as
 		INFO[0005] Waiting for VM to start...                   
 		INFO[0050] "local" has been created and is now the active machine.
 		INFO[0050] To point your Docker client at it, run this in your shell: eval "$(docker-machine env local)"
+    ```
 
 3.  Load the `local` machine configuration into your shell.
 
+    ```
 		$ eval "$(docker-machine env local)"
+    ```
 
 4.  Generate a discovery token using the Docker Swarm image.
 
@@ -64,6 +69,7 @@ Daemon running on each node. Other discovery service backends such as
   	haven't got the `swarm:latest` image on your local machine, Docker pulls it
   	for you.
 
+    ```
 		$ docker run swarm create
 		Unable to find image 'swarm:latest' locally
 		latest: Pulling from swarm
@@ -78,6 +84,7 @@ Daemon running on each node. Other discovery service backends such as
 		Digest: sha256:aaaf6c18b8be01a75099cc554b4fb372b8ec677ae81764dcdf85470279a61d6f
 		Status: Downloaded newer image for swarm:latest
 		fe0cc96a72cf04dba8c1c4aa79536ec3
+    ```
 
   	The `swarm create` command returned the  `fe0cc96a72cf04dba8c1c4aa79536ec3`
   	token.
@@ -105,15 +112,18 @@ In this section, you create a swarm manager and two nodes.
 
 1.  Create a swarm manager under VirtualBox.
 
+    ```
 		docker-machine create \
 				-d virtualbox \
 				--swarm \
 				--swarm-master \
 				--swarm-discovery token://<TOKEN-FROM-ABOVE> \
 				swarm-master
+    ```
 
     For example:
 
+    ```
  		$ docker-machine create -d virtualbox --swarm --swarm-master --swarm-discovery token://fe0cc96a72cf04dba8c1c4aa79536ec3 swarm-master
 		INFO[0000] Creating SSH key...                          
 		INFO[0000] Creating VirtualBox VM...                    
@@ -121,22 +131,28 @@ In this section, you create a swarm manager and two nodes.
 		INFO[0005] Waiting for VM to start...                   
 		INFO[0060] "swarm-master" has been created and is now the active machine.
 		INFO[0060] To point your Docker client at it, run this in your shell: eval "$(docker-machine env swarm-master)"
+    ```
 
 2.  Open your VirtualBox Manager, it should contain the `local` machine and the
-new `swarm-master` machine.
+    new `swarm-master` machine.
     
+    ```
 	  ![VirtualBox](images/virtual-box.png)
+    ```
 
 3.  Create a swarm node.
 
+    ```bash
 		docker-machine create \
 		-d virtualbox \
 		--swarm \
 		--swarm-discovery token://<TOKEN-FROM-ABOVE> \
 		swarm-agent-00
+    ```
 
 	  For example:
 
+    ```bash
  		$ docker-machine create -d virtualbox --swarm --swarm-discovery token://fe0cc96a72cf04dba8c1c4aa79536ec3 swarm-agent-00
 		INFO[0000] Creating SSH key...                          
 		INFO[0000] Creating VirtualBox VM...                    
@@ -144,10 +160,13 @@ new `swarm-master` machine.
 		INFO[0006] Waiting for VM to start...                   
 		INFO[0066] "swarm-agent-00" has been created and is now the active machine.
 		INFO[0066] To point your Docker client at it, run this in your shell: eval "$(docker-machine env swarm-agent-00)"
+    ```
 
 3.  Add another agent called `swarm-agent-01`.
 
+    ```bash
 		$ docker-machine create -d virtualbox --swarm --swarm-discovery token://fe0cc96a72cf04dba8c1c4aa79536ec3 swarm-agent-01
+    ```
 
 	  You should see the two agents in your VirtualBox Manager.
 
@@ -159,11 +178,14 @@ your swarm, and start an image on your swarm.
 
 1.  Point your Docker environment to the machine running the swarm master.
 
+    ```bash
 		$ eval $(docker-machine env --swarm swarm-master)
+    ```
 
 
 2.  Get information on your new swarm using the `docker` command.
 
+    ```bash
 		$ docker info
 		Containers: 4
 		Strategy: spread
@@ -180,6 +202,7 @@ your swarm, and start an image on your swarm.
 		 swarm-master: 192.168.99.104:2376
 			└ Containers: 2
 			└ Reserved CPUs: 0 / 8
+    ```
 
     You can see that each agent and the master all have port `2376` exposed. When you create a swarm, you can use any port you like and even different ports on different nodes. Each swarm node runs the swarm agent container.
 
@@ -187,15 +210,18 @@ your swarm, and start an image on your swarm.
 
 3.  Check the images currently running on your swarm.
 
+    ```bash
 		$ docker ps  -a
 		CONTAINER ID        IMAGE               COMMAND                CREATED             STATUS              PORTS                                     NAMES
 		78be991b58d1        swarm:latest        "/swarm join --addr    3 minutes ago       Up 2 minutes        2375/tcp                                  swarm-agent-01/swarm-agent        
 		da5127e4f0f9        swarm:latest        "/swarm join --addr    6 minutes ago       Up 6 minutes        2375/tcp                                  swarm-agent-00/swarm-agent        
 		ef395f316c59        swarm:latest        "/swarm join --addr    16 minutes ago      Up 16 minutes       2375/tcp                                  swarm-master/swarm-agent          
 		45821ca5208e        swarm:latest        "/swarm manage --tls   16 minutes ago      Up 16 minutes       2375/tcp, 192.168.99.104:3376->3376/tcp   swarm-master/swarm-agent-master   
+    ```
 
 4.  Run the Docker `hello-world` test image on your swarm.
 
+    ```bash
 	 	$ docker run hello-world
 		Hello from Docker.
 		This message shows that your installation appears to be working correctly.
@@ -208,16 +234,19 @@ your swarm, and start an image on your swarm.
 				executable that produces the output you are currently reading.
 		 4. The Docker daemon streamed that output to the Docker client, which sent it
 				to your terminal.
+    ```
 
-To try something more ambitious, you can run an Ubuntu container with:
+    To try something more ambitious, you can run an Ubuntu container with:
 
+    ```bash
 		$ docker run -it ubuntu bash
+    ```
 
-For more examples and ideas, visit:
+    For more examples and ideas, visit the [User Guide](http://docs.docker.com/userguide/).
-http://docs.docker.com/userguide/
 
 5.  Use the `docker ps` command to find out which node the container ran on.
 
+    ```bash
 		$ docker ps -a
 		CONTAINER ID        IMAGE                COMMAND                CREATED             STATUS                     PORTS                                     NAMES
 		54a8690043dd        hello-world:latest   "/hello"               22 seconds ago      Exited (0) 3 seconds ago                                             swarm-agent-00/modest_goodall     
@@ -225,7 +254,7 @@ http://docs.docker.com/userguide/
 		da5127e4f0f9        swarm:latest         "/swarm join --addr    8 minutes ago       Up 8 minutes               2375/tcp                                  swarm-agent-00/swarm-agent        
 		ef395f316c59        swarm:latest         "/swarm join --addr    18 minutes ago      Up 18 minutes              2375/tcp                                  swarm-master/swarm-agent          
 		45821ca5208e        swarm:latest         "/swarm manage --tls   18 minutes ago      Up 18 minutes              2375/tcp, 192.168.99.104:3376->3376/tcp   swarm-master/swarm-agent-master   
-
+    ```
 
 ## Where to go next