https://github.com/alexei-led/nsenter

Slim nsenter Docker image - enter into Docker container/host namespaces
https://github.com/alexei-led/nsenter

docker kubernetes namespaces nsenter

Last synced: about 2 months ago
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Slim nsenter Docker image - enter into Docker container/host namespaces

• Host: GitHub
• URL: https://github.com/alexei-led/nsenter
• Owner: alexei-led
• License: gpl-2.0
• Created: 2019-07-25T08:40:00.000Z (about 5 years ago)
• Default Branch: master
• Last Pushed: 2023-09-05T13:03:46.000Z (about 1 year ago)
• Last Synced: 2024-02-14T21:59:45.718Z (7 months ago)
• Topics: docker, kubernetes, namespaces, nsenter
• Language: Shell
• Size: 16.6 KB
• Stars: 122
• Watchers: 4
• Forks: 38
• Open Issues: 4
• Metadata Files:
  • Readme: README.md
  • License: LICENSE

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# nsenter

## Info

`alexeiled/nsenter` Docker image is a `scratch` image that contains only one statically linked `nsenter` file.

## Usage

Read the official `nsenter` [documentation](http://man7.org/linux/man-pages/man1/nsenter.1.html).

## Continuously Updated with GitHub Actions

The `nsenter` is automatically updated when a new version of [util-linux](https://github.com/util-linux/util-linux) is released.

## How do I *use* `alexeiled/nsenter`?

Enter the container:

```sh

# enter all namespaces of selected container

docker run -it --rm --privileged --pid=container: alexeiled/nsenter --all --target 1 -- su -

```

Enter the Docker host:

```sh

# enter all namespaces of Docker host

docker run -it --rm --privileged --pid=host alexeiled/nsenter --all --target 1 -- su -

```

## Enter Kubernetes node

Use helper script `nsenter-node.sh` to enter into any Kubernetes node by creating a new pod tolerated to the specified node.

```sh

# list Kubernetes nodes

kubectl get nodes

NAME                                            STATUS   ROLES    AGE     VERSION

ip-192-168-151-104.us-west-2.compute.internal   Ready       6d17h   v1.13.7-eks-c57ff8

ip-192-168-171-140.us-west-2.compute.internal   Ready       5d10h   v1.13.7-eks-c57ff8

# enter into selected node with default shell as superuser

./nsenter-node.sh ip-192-168-151-104.us-west-2.compute.internal

[root@ip-192-168-171-140 ~]#

```