kube-jupyterhub.md

# CoreOS-35
```bash
Install the helm version (3.5.0) of the CoreOS 35 without reboot
curl https://get.helm.sh/helm-v3.5.0-linux-amd64.tar.gz --output helm-v3.5.0-linux-amd64.tar.gz
tar -zxvf helm-v3.5.0-linux-amd64.tar.gz
mkdir -p /root/bin
cp linux-amd64/helm /root/bin
---

The default helm installed by magnum:
```bash
echo $PATH
/root/.local/bin:/root/bin:/srv/magnum/bin:/srv/magnum/bin:/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin:/var/lib/snapd/snap/bin

/srv/magnum/bin/helm version
version.BuildInfo{Version:"v3.2.1", GitCommit:"fe51cd1e31e6a202cba7dead9552a6d418ded79a", GitTreeState:"clean", GoVersion:"go1.13.10"}
```

The new installed helm in /root/bin
```bash
helm version
version.BuildInfo{Version:"v3.5.0", GitCommit:"32c22239423b3b4ba6706d450bd044baffdcf9e6", GitTreeState:"clean", GoVersion:"go1.15.6"}
---
The creation of volumes required by kube app can achieved :
if csi-cinder-controllerplugin + csi-cinder-nodeplugin pods are running
and if a dedicated storage class is created (storageclass.yaml)

```