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Updating per Sven's request for localhost definition

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Mary Anthony
2015-02-17 10:55:19 -08:00
parent d03ce18b0b
commit 0581e8652d
1 changed files with 16 additions and 8 deletions
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docs/sources/installation/mac.md
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@@ -6,22 +6,28 @@ page_keywords: Docker, Docker documentation, requirements, boot2docker, VirtualB
Because the Docker daemon uses Linux-specific kernel features, you can't run
Docker natively in OS X. Instead, you must install the Boot2Docker application.
Boot2Docker includes a VirtualBox VM, Docker itself, and the Boot2Docker
management tool.
The application includes a VirtualBox Virtual Machine (VM), Docker itself, and the
Boot2Docker management tool.
The Boot2Docker management tool is a lightweight Linux virtual machine made
specifically to run the Docker daemon on Mac OS X. The VirtualBox VM runs
completely from RAM, is a small ~24MB download, and boots in approximately 5s.
**Requirements**
Your Mac must be running OS X 10.6 "Snow Leopard" or newer to run Boot2Docker.
## Learn the key concepts before installing
In a Linux installation, your local machine is the Docker host. The Docker
client, the Docker daemon, and any containers run directly on this host. This
means you can address ports on a Docker container using standard addressing
such as `localhost:8000` or `0.0.0.0:8376`.
In a Docker installation on Linux, your machine is both the localhost and the
Docker host. In networking, localhost means your computer. The Docker host is
the machine on which the containers run.
On a typical Linux installation, the Docker client, the Docker daemon, and any
containers run directly on your localhost. This means you can address ports on a
Docker container using the standard localhost addressing such as `localhost:8000` or
`0.0.0.0:8376`.
![Linux Architecture Diagram](/installation/images/linux_docker_host.png)
@@ -30,8 +36,10 @@ machine provided by Boot2Docker.
![OSX Architecture Diagram](/installation/images/mac_docker_host.png)
When running on OS X, the Docker host address is that of the virtual Linux
machine. Its IP address is assigned when you start the `boot2docker` process.
When running on OS X, the Docker host address is the address of the Linux VM.
When you start the `boot2docker` process, it is assigned an IP address. Under
`boot2docker` ports on a container map to ports on the VM. To see this in
practice, work through the exercises on this page.
## Install Boot2Docker