Use the canonical 'ip' commands to make it easier for new 'iproute2' users to understand the usage.

docs/sources/examples/running_redis_service.rst

@@ -72,7 +72,7 @@ Connect to the host os with the redis-cli.
 
     docker ps  # grab the new container id
     docker port <container_id> 6379  # grab the external port
-    ip a s   # grab the host ip address
+    ip addr show   # grab the host ip address
     redis-cli -h <host ipaddress> -p <external port>
     redis 192.168.0.1:49153> set docker awesome
     OK

docs/sources/examples/running_ssh_service.rst

@@ -59,7 +59,7 @@ The password is 'screencast'
 	 # it has now given us a port to connect to
 	 # we have to connect using a public ip of our host
 	 $ hostname
-	 # *ifconfig* is deprecated, better use *ip a s* now
+	 # *ifconfig* is deprecated, better use *ip addr show* now
 	 $ ifconfig
 	 $ ssh root@192.168.33.10 -p 49153
 	 # Ah! forgot to set root passwd
@@ -71,7 +71,7 @@ The password is 'screencast'
 	 $ docker commit 9e863f0ca0af31c8b951048ba87641d67c382d08d655c2e4879c51410e0fedc1 dhrp/sshd
 	 $ docker run -d -p 22 dhrp/sshd /usr/sbin/sshd -D
 	 $ docker port a0aaa9558c90cf5c7782648df904a82365ebacce523e4acc085ac1213bfe2206 22
-	 # *ifconfig* is deprecated, better use *ip a s* now
+	 # *ifconfig* is deprecated, better use *ip addr show* now
 	 $ ifconfig
 	 $ ssh root@192.168.33.10 -p 49154
 	 # Thanks for watching, Thatcher thatcher@dotcloud.com