whentimeslows/website
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

Merge pull request #20657 from johscheuer/unify-sudo-usage

Browse Source 
Use sudo for setting sysctl config
This commit is contained in:
Kubernetes Prow Robot
2020-04-29 13:06:18 -07:00
committed by GitHub
parent 270c0802d9 496a4ff800
commit 7f4f02bb18
1 changed files with 6 additions and 7 deletions
Download Patch File Download Diff File Expand all files Collapse all files
content/en/docs/setup/production-environment/tools/kubeadm/install-kubeadm.md
+6 -7
View File
@@ -56,18 +56,17 @@ route, we recommend you add IP route(s) so Kubernetes cluster addresses go via t
As a requirement for your Linux Node's iptables to correctly see bridged traffic, you should ensure `net.bridge.bridge-nf-call-iptables` is set to 1 in your `sysctl` config, e.g.
```bash
cat <<EOF > /etc/sysctl.d/k8s.conf
cat <<EOF | sudo tee /etc/sysctl.d/k8s.conf
net.bridge.bridge-nf-call-ip6tables = 1
net.bridge.bridge-nf-call-iptables = 1
EOF
sysctl --system
sudo sysctl --system
```
Make sure that the `br_netfilter` module is loaded before this step. This can be done by running `lsmod | grep br_netfilter`. To load it explicitly call `modprobe br_netfilter`.
Make sure that the `br_netfilter` module is loaded before this step. This can be done by running `lsmod | grep br_netfilter`. To load it explicitly call `sudo modprobe br_netfilter`.
For more details please see the [Network Plugin Requirements](https://kubernetes.io/docs/concepts/extend-kubernetes/compute-storage-net/network-plugins/#network-plugin-requirements) page.
## Check required ports
### Control-plane node(s)
@@ -216,7 +215,7 @@ systemctl enable --now kubelet
- Setting SELinux in permissive mode by running `setenforce 0` and `sed ...` effectively disables it.
This is required to allow containers to access the host filesystem, which is needed by pod networks for example.
You have to do this until SELinux support is improved in the kubelet.
{{% /tab %}}
{{% tab name="Container Linux" %}}
Install CNI plugins (required for most pod network):
@@ -280,8 +279,8 @@ Please mind, that you **only** have to do that if the cgroup driver of your CRI
is not `cgroupfs`, because that is the default value in the kubelet already.
{{< note >}}
Since `--cgroup-driver` flag has been deprecated by kubelet, if you have that in `/var/lib/kubelet/kubeadm-flags.env`
or `/etc/default/kubelet`(`/etc/sysconfig/kubelet` for RPMs), please remove it and use the KubeletConfiguration instead
Since `--cgroup-driver` flag has been deprecated by kubelet, if you have that in `/var/lib/kubelet/kubeadm-flags.env`
or `/etc/default/kubelet`(`/etc/sysconfig/kubelet` for RPMs), please remove it and use the KubeletConfiguration instead
(stored in `/var/lib/kubelet/config.yaml` by default).
{{< /note >}}