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remove experimental note about CentOS 8 and derivatives (#7615)

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Cristian Calin 2021-05-16 22:07:59 +03:00 committed by GitHub
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6
README.md
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@ -117,12 +117,12 @@ vagrant up
- **Flatcar Container Linux by Kinvolk**
- **Debian** Buster, Jessie, Stretch, Wheezy
- **Ubuntu** 16.04, 18.04, 20.04
- **CentOS/RHEL** 7, 8 (experimental: see [centos 8 notes](docs/centos8.md))
- **CentOS/RHEL** 7, [8](docs/centos8.md)
- **Fedora** 32, 33
- **Fedora CoreOS** (experimental: see [fcos Note](docs/fcos.md))
- **openSUSE** Leap 15.x/Tumbleweed
- **Oracle Linux** 7, 8 (experimental: [centos 8 notes](docs/centos8.md) apply)
- **Alma Linux** 8 (experimental: [centos 8 notes](docs/centos8.md) apply)
- **Oracle Linux** 7, [8](docs/centos8.md)
- **Alma Linux** [8](docs/centos8.md)
- **Amazon Linux 2** (experimental: see [amazon linux notes](docs/amazonlinux.md)
Note: Upstart/SysV init based OS types are not supported.

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docs/centos8.md
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@ -1,8 +1,8 @@
# CentOS 8 / AlmaLinux 8
# CentOS 8 and derivatives
CentOS 8 / AlmaLinux 8 ships only with iptables-nft (ie without iptables-legacy)
CentOS 8 / Oracle Linux 8 / AlmaLinux 8 ship only with iptables-nft (ie without iptables-legacy similar to RHEL8)
The only tested configuration for now is using Calico CNI
You need to use K8S 1.17+ and to add `calico_iptables_backend: "NFT"` or `calico_iptables_backend: "Auto"` to your configuration
You need to add `calico_iptables_backend: "NFT"` or `calico_iptables_backend: "Auto"` to your configuration.
If you have containers that are using iptables in the host network namespace (`hostNetwork=true`),
you need to ensure they are using iptables-nft.