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chg: Hostnames In Documentation Continued

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Updated more references to old hostnames in the documentation to reflect
the new naming convention.
This commit is contained in:
Khalifah Shabazz
2025-06-01 23:37:55 -04:00
parent 1889697098
commit 398f5a73c0
13 changed files with 160 additions and 74 deletions
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40
docs/09-bootstrapping-kubernetes-workers.md
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@@ -1,6 +1,8 @@
# Bootstrapping the Kubernetes Worker Nodes
In this lab you will bootstrap two Kubernetes worker nodes. The following components will be installed: [runc](https://github.com/opencontainers/runc), [container networking plugins](https://github.com/containernetworking/cni), [containerd](https://github.com/containerd/containerd), [kubelet](https://kubernetes.io/docs/reference/command-line-tools-reference/kubelet), and [kube-proxy](https://kubernetes.io/docs/concepts/cluster-administration/proxies).
In this lab you will bootstrap two Kubernetes worker nodes. The following
components will be installed: [runc], [container networking plugins],
[containerd], [kubelet], and [kube-proxy].
## Prerequisites
@@ -39,13 +41,14 @@ done
```bash
for HOST in node01 node02; do
scp \
downloads/cni-plugins/* \
scp -r \
downloads/cni-plugins/ \
root@${HOST}:~/cni-plugins/
done
```
The commands in the next section must be run on each worker instance: `node01`, `node02`. Login to the worker instance using the `ssh` command. Example:
The commands in the next section must be run on each worker instance: `node01`,
`node02`. Login to the worker instance using the `ssh` command. Example:
```bash
ssh root@node01
@@ -66,7 +69,9 @@ Install the OS dependencies:
Disable Swap
Kubernetes has limited support for the use of swap memory, as it is difficult to provide guarantees and account for pod memory utilization when swap is involved.
Kubernetes has limited support for the use of swap memory, as it is difficult
to provide guarantees and account for pod memory utilization when swap is
involved.
Verify if swap is disabled:
@@ -74,13 +79,15 @@ Verify if swap is disabled:
swapon --show
```
If output is empty then swap is disabled. If swap is enabled run the following command to disable swap immediately:
If output is empty then swap is disabled. If swap is enabled run the following
command to disable swap immediately:
```bash
swapoff -a
```
> To ensure swap remains off after reboot consult your Linux distro documentation.
> To ensure swap remains off after reboot consult your Linux distro
> documentation.
Create the installation directories:
@@ -98,9 +105,9 @@ Install the worker binaries:
```bash
{
mv crictl kube-proxy kubelet runc \
/usr/local/bin/
mv containerd containerd-shim-runc-v2 containerd-stress /bin/
mv crictl kube-proxy kubelet /usr/local/bin/
mv runc /usr/local/sbin/
mv containerd ctr containerd-shim-runc-v2 containerd-stress /bin/
mv cni-plugins/* /opt/cni/bin/
}
```
@@ -113,7 +120,8 @@ Create the `bridge` network configuration file:
mv 10-bridge.conf 99-loopback.conf /etc/cni/net.d/
```
To ensure network traffic crossing the CNI `bridge` network is processed by `iptables`, load and configure the `br-netfilter` kernel module:
To ensure network traffic crossing the CNI `bridge` network is processed by
`iptables`, load and configure the `br-netfilter` kernel module:
```bash
{
@@ -193,7 +201,7 @@ Run the following commands from the `jumpbox` machine.
List the registered Kubernetes nodes:
```bash
ssh root@server \
ssh root@controlplane \
"kubectl get nodes \
--kubeconfig admin.kubeconfig"
```
@@ -205,3 +213,11 @@ node02 Ready <none> 10s v1.32.3
```
Next: [Configuring kubectl for Remote Access](10-configuring-kubectl.md)
---
[runc]: https://github.com/opencontainers/runc
[container networking plugins]: https://github.com/containernetworking/cni
[containerd]: https://github.com/containerd/containerd
[kubelet]: https://kubernetes.io/docs/reference/command-line-tools-reference/kubelet
[kube-proxy]: https://kubernetes.io/docs/concepts/cluster-administration/proxies