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Resolves #2370 - legacy iptables for Raspbian Buster

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k3s networking requires legacy iptables.  Update documentation with instructions to configure this for Raspbian Buster
This commit is contained in:
Michael Foley
2020-03-23 09:20:55 -04:00
parent 11652776c6
commit f51ea34631
2 changed files with 15 additions and 2 deletions
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content/k3s/latest/en/advanced/_index.md
+11
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@@ -15,6 +15,7 @@ This section contains advanced information describing the different ways you can
- [Starting the server with the installation script](#starting-the-server-with-the-installation-script)
- [Additional preparation for Alpine Linux setup](#additional-preparation-for-alpine-linux-setup)
- [Running K3d (K3s in Docker) and docker-compose](#running-k3d-k3s-in-docker-and-docker-compose)
- [Raspbian Buster - Enable legacy iptables](#raspbian-buster---enable-legacy-iptables)
# Auto-Deploying Manifests
@@ -162,3 +163,13 @@ Alternatively the `docker run` command can also be used:
-e K3S_TOKEN=${NODE_TOKEN} \
--privileged rancher/k3s:vX.Y.Z
# Raspbian Buster - enable legacy iptables
Raspbian Buster defaults to using `nftables` instead of `iptables`. **K3S** networking features require `iptables` and do not work with `nftables`. Follow the steps below to switch configure **Buster** to use `legacy iptables`:
```
sudo iptables -F
sudo update-alternatives --set iptables /usr/sbin/iptables-legacy
sudo update-alternatives --set ip6tables /usr/sbin/ip6tables-legacy
sudo reboot
```
content/k3s/latest/en/installation/installation-requirements/_index.md
+4 -2
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@@ -17,9 +17,11 @@ K3s should run on just about any flavor of Linux. However, K3s is tested on the
* Ubuntu 16.04 (amd64)
* Ubuntu 18.04 (amd64)
* Raspbian Buster (armhf)
* Raspbian Buster (armhf) **NOTE: requires legacy iptables. See Note below.
> * If you are using **Raspbian Buster**, follow [these steps]({{<baseurl>}}/k3s/latest/en/advanced/#raspbian-buster---enable-legacy-iptables) to switch to legacy iptables.
> * If you are using **Alpine Linux**, follow [these steps]({{<baseurl>}}/k3s/latest/en/advanced/#additional-preparation-for-alpine-linux-setup) for additional setup.
> If you are using Alpine Linux, follow [these steps]({{<baseurl>}}/k3s/latest/en/advanced/#additional-preparation-for-alpine-linux-setup) for additional setup.
## Hardware