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docs: Update Developer-Guide.md

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Add description for difference of namespace in containerd and Kuberenetes.

Co-authored-by: Eric Ernst <eric.g.ernst@gmail.com>
Signed-off-by: bin <bin@hyper.sh>
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Bin Liu 2021-02-04 10:22:01 +08:00 committed by bin
parent 9963428a4d
commit f4ae9c8476
1 changed files with 3 additions and 1 deletions
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@ -490,7 +490,9 @@ bash-4.2# exit
exit
```
`kata-runtime exec` has a command-line option `runtime-namespace`, which is used to specify under which namespace the containers(Pods) are created. By default, it is set to `k8s.io` and works for containerd, for other upper runtimes, you may need to set the namespace by `runtime-namespace` option.
`kata-runtime exec` has a command-line option `runtime-namespace`, which is used to specify under which [runtime namespace](https://github.com/containerd/containerd/blob/master/docs/namespaces.md) the particular pod was created. By default, it is set to `k8s.io` and works for containerd when configured
with Kubernetes. This should not be confused with [Kubernetes namespaces](https://kubernetes.io/docs/concepts/overview/working-with-objects/namespaces/).
For other CRI-runtimes and configurations, you may need to set the namespace utilizing the `runtime-namespace` option.
If you want to access guest OS through a traditional way, see [Traditional debug console setup)](#traditional-debug-console-setup).