Update dockerizing.md
@@ -134,7 +134,7 @@ do that with the `docker ps` command. The `docker ps` command queries
the Docker daemon for information about all the container it knows
about.
- $ docker ps
+ $ sudo docker ps
CONTAINER ID IMAGE COMMAND CREATED STATUS PORTS NAMES
1e5535038e28 ubuntu:14.04 /bin/sh -c 'while tr 2 minutes ago Up 1 minute insane_babbage