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Added note and command about nm-cloud-setup in RHEL

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Jennifer Travinski
2021-12-13 16:45:41 -05:00
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content/rke/latest/en/os/_index.md
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@@ -148,6 +148,13 @@ https://kubic.opensuse.org/blog/2021-02-08-MicroOS-Kubic-Rancher-RKE/
If using Red Hat Enterprise Linux, Oracle Linux or CentOS, you cannot use the `root` user as [SSH user]({{<baseurl>}}/rke/latest/en/config-options/nodes/#ssh-user) due to [Bugzilla 1527565](https://bugzilla.redhat.com/show_bug.cgi?id=1527565). Please follow the instructions below how to setup Docker correctly, based on the way you installed Docker on the node.
>**Note:** In RHEL 8.4, two extra services are included on the NetworkManager: `nm-cloud-setup.service` and `nm-cloud-setup.timer`. These services add a routing table that interferes with the CNI plugin's configuration. If these services are enabled, you must disable them using the command below, and then reboot the node to restore connectivity:
>
> ```
systemctl disable nm-cloud-setup.service nm-cloud-setup.timer
reboot
```
#### Using upstream Docker
If you are using upstream Docker, the package name is `docker-ce` or `docker-ee`. You can check the installed package by executing: