Install Kubernetes & Helm

Install Kubernetes

• # curl -sfL https://get.k3s.io | sh -s –

root@kubemaster:/media/helmut/VBox_GAs_6.1.28# curl -sfL https://get.k3s.io | sh -s -
[INFO]  Finding release for channel stable
[INFO]  Using v1.21.5+k3s2 as release
[INFO]  Downloading hash https://github.com/k3s-io/k3s/releases/download/v1.21.5+k3s2/sha256sum-amd64.txt
[INFO]  Downloading binary https://github.com/k3s-io/k3s/releases/download/v1.21.5+k3s2/k3s
[INFO]  Verifying binary download
[INFO]  Installing k3s to /usr/local/bin/k3s
[INFO]  Skipping installation of SELinux RPM
[INFO]  Creating /usr/local/bin/kubectl symlink to k3s
[INFO]  Creating /usr/local/bin/crictl symlink to k3s
[INFO]  Creating /usr/local/bin/ctr symlink to k3s
[INFO]  Creating killall script /usr/local/bin/k3s-killall.sh
[INFO]  Creating uninstall script /usr/local/bin/k3s-uninstall.sh
[INFO]  env: Creating environment file /etc/systemd/system/k3s.service.env
[INFO]  systemd: Creating service file /etc/systemd/system/k3s.service
[INFO]  systemd: Enabling k3s unit
Created symlink /etc/systemd/system/multi-user.target.wants/k3s.service → /etc/systemd/system/k3s.service.
[INFO]  systemd: Starting k3s

Validate Cluster and Pod Status

• # kubectl cluster-info && kubectl get nodes && kubectl get pods -A

oot@kubemaster:/media/helmut/VBox_GAs_6.1.28# curl -sfL https://get.k3s.io | sh -s -
[INFO]  Finding release for channel stable
[INFO]  Using v1.21.5+k3s2 as release
[INFO]  Downloading hash https://github.com/k3s-io/k3s/releases/download/v1.21.5+k3s2/sha256sum-amd64.txt
[INFO]  Downloading binary https://github.com/k3s-io/k3s/releases/download/v1.21.5+k3s2/k3s
[INFO]  Verifying binary download
[INFO]  Installing k3s to /usr/local/bin/k3s
[INFO]  Skipping installation of SELinux RPM
[INFO]  Creating /usr/local/bin/kubectl symlink to k3s
[INFO]  Creating /usr/local/bin/crictl symlink to k3s
[INFO]  Creating /usr/local/bin/ctr symlink to k3s
[INFO]  Creating killall script /usr/local/bin/k3s-killall.sh
[INFO]  Creating uninstall script /usr/local/bin/k3s-uninstall.sh
[INFO]  env: Creating environment file /etc/systemd/system/k3s.service.env
[INFO]  systemd: Creating service file /etc/systemd/system/k3s.service
[INFO]  systemd: Enabling k3s unit
Created symlink /etc/systemd/system/multi-user.target.wants/k3s.service → /etc/systemd/system/k3s.service.
[INFO]  systemd: Starting k3s

Install helm

Install helm
# curl https://raw.githubusercontent.com/helm/helm/master/scripts/get-helm-3 | bash
.  % Total    % Received % Xferd  Average Speed   Time    Time     Time  Current
                                 Dload  Upload   Total   Spent    Left  Speed
100 11148  100 11148    0     0   113k      0 --:--:-- --:--:-- --:--:--  113k
Downloading https://get.helm.sh/helm-v3.7.1-linux-amd64.tar.gz
Verifying checksum... Done.
Preparing to install helm into /usr/local/bin
helm installed into /usr/local/bin/helm
 
Validate helm version
# helm version
version.BuildInfo{Version:"v3.7.1", GitCommit:"1d11fcb5d3f3bf00dbe6fe31b8412839a96b3dc4", GitTreeState:"clean", GoVersion:"go1.16.9"}


Prepare Env Variables
# echo "export KUBERNETES_MASTER=$( grep server: /etc/rancher/k3s/k3s.yaml | cut -c13-)" >> ~/.bashrc
# echo "export KUBECONFIG=/etc/rancher/k3s/k3s.yaml" >> ~/.bashrc
# .  ~/.bashrc

List active helm packages
root@kubemaster:/media/helmut/VBox_GAs_6.1.28# helm list -A
NAME       	NAMESPACE  	REVISION	UPDATED                                	STATUS  	CHART             	APP VERSION
traefik    	kube-system	1       	2021-11-22 10:38:58.161751118 +0000 UTC	deployed	traefik-9.18.2    	2.4.8      
traefik-crd	kube-system	1       	2021-11-22 10:38:55.60182619 +0000 UTC 	deployed	traefik-crd-9.18.2