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May 22, 2025
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docs: add Bottlerocket section to rootless Podman #17987

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docs: add Bottlerocket section to rootless Podman
krispage May 22, 2025
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ericpaulsen May 22, 2025
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docs: add Bottlerocket section to rootless Podman
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@krispage
krispage authored May 22, 2025
commit b664cb202d9c6b8c6c4845526c080a90e6511838
18 changes: 18 additions & 0 deletions docs/admin/templates/extending-templates/docker-in-workspaces.md
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Expand Up @@ -266,6 +266,24 @@ Before using Podman, please review the following documentation:
> For more information around the requirements of rootless podman pods, see:
> [How to run Podman inside of Kubernetes](https://www.redhat.com/sysadmin/podman-inside-kubernetes)

### Bottlerocket
To use rootless Podman on [Bottlerocket](https://github.com/bottlerocket-os/bottlerocket) nodes requires enabling user namespaces on the node
> [Github.com: Bottlerocket user namespace discussion](https://github.com/bottlerocket-os/bottlerocket/discussions/3318)

You can set this in the user data on the node. If using EKS with Karpenter you can set it in the EC2NodeClass like this:

```yaml
apiVersion: karpenter.k8s.aws/v1
kind: EC2NodeClass
metadata:
name: default
spec:
# ...
userData: |
[settings.kernel]
sysctl = { "user.max_user_namespaces" = "65536" }
```

## Privileged sidecar container

A
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