apple--containerization/examples/ctr-example/lab.md at main

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pickle-RickA 565e8a3e02 Improve documentation formatting and consistency (#633 )

Small documentation improvements for better consistency:

- Fixed capitalization (url → URL) in kernel README
- Added bash syntax highlighting to code block in lab.md  
- Improved formatting consistency in ctr-example README (added colon +
code fence)

Co-authored-by: pickle-RickA <273219719+pickle-RickA@users.noreply.github.com>

2026-05-27 00:23:39 -07:00

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Install and test the container tool:

See https://github.com/apple/container/releases

Once installed, start the service and follow prompts.

container system start

This'll install your kernel.

After this start your first container. On first launch, this'll install another artifact for our guest init process:

container run alpine uname

Container starts after this will be fast!

Get the Containerization sources:

$ git clone https://github.com/apple/containerization.git

Important

There is a bug in the vmnet framework on macOS 26 that causes network creation to fail if the creating applications are located under your Documents or Desktop directories. To workaround this, clone the project elsewhere, such as ~/projects/containerization, until this issue is resolved.

Take a look at ctr-example

Read through the sources:

ContainerManager:
manager.create()
container.create(), start(), wait(), stop()

Fetch the kernel

Run

cp "$(ls -t ~/Library/Application\ Support/com.apple.container/kernels/vmlinux-* | head -1)" ./vmlinux

Build and run the example

$ cd examples/ctr-example
$ make

Modify the project

Change the command run by the container
Change the image

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