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+====== Docker ======
+  * https://www.docker.com
+  * https://registry.hub.docker.com
+**Registr Docker Hub:** https://hub.docker.com/account/signup/
+**Docker Engine Installation:** https://docs.docker.com/installation/
+===== Notes =====
+overlay filesystems (mount)
+===== Try It! =====
+  * https://www.docker.com/tryit/
+==== Docker help ====
+<code>
+you@tutorial:~$ docker
+Usage: Docker [OPTIONS] COMMAND [arg...]
+-H="127.0.0.1:4243": Host:port to bind/connect to
+A self-sufficient runtime for linux containers.
+Commands:
+attach    Attach to a running container
+build     Build a container from a Dockerfile
+commit    Create a new image from a container's changes
+diff      Inspect changes on a container's filesystem
+export    Stream the contents of a container as a tar archive
+history   Show the history of an image
+images    List images
+import    Create a new filesystem image from the contents of a tarball
+info      Display system-wide information
+insert    Insert a file in an image
+inspect   Return low-level information on a container
+kill      Kill a running container
+login     Register or Login to the Docker registry server
+logs      Fetch the logs of a container
+port      Lookup the public-facing port which is NAT-ed to PRIVATE_PORT
+ps        List containers
+pull      Pull an image or a repository from the Docker registry server
+push      Push an image or a repository to the Docker registry server
+restart   Restart a running container
+rm        Remove a container
+rmi       Remove an image
+run       Run a command in a new container
+search    Search for an image in the Docker index
+start     Start a stopped container
+stop      Stop a running container
+tag       Tag an image into a repository
+version   Show the Docker version information
+wait      Block until a container stops, then print its exit code
+</code>
+==== Docker version ====
+<code>
+you@tutorial:~$ docker version
+Docker Emulator version 0.1.3
+Emulating:
+Client version: 0.5.3
+Server version: 0.5.3
+Go version: go1.1
+</code>
+==== Docker search ====
+<code>
+you@tutorial:~$ docker search tutorial
+Found 1 results matching your query ("tutorial")
+NAME                      DESCRIPTION
+learn/tutorial            An image for the interactive tutorial
+</code>
+==== Docker pull ====
+Docker pull <username>/<repository>
+<code>
+you@tutorial:~$ docker pull learn/tutorial
+Pulling repository learn/tutorial from https://index.docker.io/v1
+Pulling image 8dbd9e392a964056420e5d58ca5cc376ef18e2de93b5cc90e868a1bbc8318c1c (precise) from ubuntu
+Pulling image b750fe79269d2ec9a3c593ef05b4332b1d1a02a62b4accb2c21d589ff2f5f2dc (12.10) from ubuntu
+Pulling image 27cf784147099545 () from tutorial
+</code>
+==== Docker run ====
+<code>
+you@tutorial:~$ docker run learn/tutorial echo "hello world"
+hello world
+</code>
+Docker run (install ping)
+<code>
+you@tutorial:~$ docker run learn/tutorial apt-get install -y ping
+Reading package lists...
+Building dependency tree...
+The following NEW packages will be installed:
+  iputils-ping
+upgraded, 1 newly installed, 0 to remove and 0 not upgraded.
+Need to get 56.1 kB of archives.
+After this operation, 143 kB of additional disk space will be used.
+Get:1 http://archive.ubuntu.com/ubuntu/ precise/main iputils-ping amd64 3:20101006-1ubuntu1 [56.1 kB]
+debconf: delaying package configuration, since apt-utils is not installed
+Fetched 56.1 kB in 1s (50.3 kB/s)
+Selecting previously unselected package iputils-ping.
+(Reading database ... 7545 files and directories currently installed.)
+Unpacking iputils-ping (from .../iputils-ping_3%3a20101006-1ubuntu1_amd64.deb) ...
+Setting up iputils-ping (3:20101006-1ubuntu1) ...
+</code>
+==== Docker list ====
+List ID container with command install ping
+<code>
+you@tutorial:~$ docker ps -l
+ID                  IMAGE               COMMAND                CREATED             STATUS              PORTS
+a9948422        ubuntu:12.04        apt-get install ping   1 minute ago        Exit 0
+</code>
+==== Docker commit ====
+Commit changes on this container
+<code>
+you@tutorial:~$ docker commit 6982a9948422 learn/ping
+effb66b31edb
+</code>
+==== Docker ping ====
+Ping on google
+<code>
+you@tutorial:~$ docker run learn/ping ping www.google.com
+PING www.google.com (74.125.239.129) 56(84) bytes of data.
+bytes from nuq05s02-in-f20.1e100.net (74.125.239.148): icmp_req=1 ttl=55 time=2.23 ms
+bytes from nuq05s02-in-f20.1e100.net (74.125.239.148): icmp_req=2 ttl=55 time=2.30 ms
+bytes from nuq05s02-in-f20.1e100.net (74.125.239.148): icmp_req=3 ttl=55 time=2.27 ms
+</code>
+==== Docker inspect ====
+<code>
+you@tutorial:~$ docker ps
+ID                  IMAGE               COMMAND               CREATED             STATUS              PORTS
+efefdc74a1d5        learn/ping:latest   ping www.google.com   37 seconds ago      Up 36 seconds
+</code>
+<code>
+you@tutorial:~$ docker inspect efefdc74a1d5
+[2013/07/30 01:52:26 GET /v1.3/containers/efef/json
+{
+  "ID": "efefdc74a1d5900d7d7a74740e5261c09f5f42b6dae58ded6a1fde1cde7f4ac5",
+  "Created": "2013-07-30T00:54:12.417119736Z",
+  "Path": "ping",
+  "Args": [
+      "www.google.com"
+  ],
+  "Config": {
+      "Hostname": "efefdc74a1d5",
+      "User": "",
+      "Memory": 0,
+      "MemorySwap": 0,
+      "CpuShares": 0,
+      "AttachStdin": false,
+      "AttachStdout": true,
+      "AttachStderr": true,
+      "PortSpecs": null,
+      "Tty": false,
+      "OpenStdin": false,
+      "StdinOnce": false,
+      "Env": null,
+      "Cmd": [
+          "ping",
+          "www.google.com"
+      ],
+      "Dns": null,
+      "Image": "learn/ping",
+      "Volumes": null,
+      "VolumesFrom": "",
+      "Entrypoint": null
+  },
+  "State": {
+      "Running": true,
+      "Pid": 22249,
+      "ExitCode": 0,
+      "StartedAt": "2013-07-30T00:54:12.424817715Z",
+      "Ghost": false
+  },
+  "Image": "a1dbb48ce764c6651f5af98b46ed052a5f751233d731b645a6c57f91a4cb7158",
+  "NetworkSettings": {
+      "IPAddress": "172.16.42.6",
+      "IPPrefixLen": 24,
+      "Gateway": "172.16.42.1",
+      "Bridge": "docker0",
+      "PortMapping": {
+          "Tcp": {},
+          "Udp": {}
+      }
+  },
+  "SysInitPath": "/usr/bin/docker",
+  "ResolvConfPath": "/etc/resolv.conf",
+  "Volumes": {},
+  "VolumesRW": {}
+</code>
+==== Docker push ====
+Push your image to the Docker Hub Registry
+<code>
+you@tutorial:~$ docker images
+ubuntu                latest              8dbd9e392a96        4 months ago        131.5 MB (virtual 131.5 MB)
+learn/tutorial        latest              8dbd9e392a96        2 months ago        131.5 MB (virtual 131.5 MB)
+learn/ping            latest              effb66b31edb        10 minutes ago      11.57 MB (virtual 143.1 MB)
+</code>
+<code>
+you@tutorial:~$ docker push learn/ping
+The push refers to a repository [learn/ping] (len: 1)
+Processing checksums
+Sending image list
+Pushing repository learn/ping (1 tags)
+Pushing 8dbd9e392a964056420e5d58ca5cc376ef18e2de93b5cc90e868a1bbc8318c1c
+Image 8dbd9e392a964056420e5d58ca5cc376ef18e2de93b5cc90e868a1bbc8318c1c already pushed, skipping
+Pushing tags for rev [8dbd9e392a964056420e5d58ca5cc376ef18e2de93b5cc90e868a1bbc8318c1c] on {https://registry-1.docker.io/v1/repositories/learn/ping/tags/latest}
+Pushing a1dbb48ce764c6651f5af98b46ed052a5f751233d731b645a6c57f91a4cb7158
+Pushing  11.5 MB/11.5 MB (100%)
+Pushing tags for rev [a1dbb48ce764c6651f5af98b46ed052a5f751233d731b645a6c57f91a4cb7158] on {https://registry-1.docker.io/v1/repositories/learn/ping/tags/latest}
+</code>
+===== Docker on Windows =====
+==== Docker upgrade ====
+<code>
+boot2docker delete
+boot2docker download
+boot2docker init
+boot2docker start
+</code>