Setup Ubuntu 20 & Kubernetes Microk8s IpV4

verrichiello@ubuntu:~$ sudo su

[sudo] password for verrichiello:

root@ubuntu:/home/verrichiello#

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apt install tasksel

tasksel install ubuntu-desktop

reboot

apt update && sudo apt -y dist-upgrade

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snap install microk8s --classic

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root@ubuntu:/home/verrichiello# snap install microk8s --classic

microk8s (1.20/stable) v1.20.5 from Canonical✓ installed

root@ubuntu:/home/verrichiello#

ufw allow in on cni0 && sudo ufw allow out on cni0

ufw default allow routed

microk8s enable dns dashboard storage

microk8s status

microk8s kubectl get all --all-namespaces

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root@ubuntu:/home/verrichiello# microk8s kubectl get all --all-namespaces

NAMESPACE NAME READY STATUS RESTARTS AGE

kube-system pod/calico-node-cphfh 1/1 Running 0 30m

kube-system pod/calico-kube-controllers-847c8c99d-zmxvm 1/1 Running 0 30m

kube-system pod/dashboard-metrics-scraper-6c4568dc68-wf2nw 1/1 Running 0 4m25s

kube-system pod/coredns-86f78bb79c-ccxmd 1/1 Running 0 4m38s

kube-system pod/hostpath-provisioner-5c65fbdb4f-kqk52 1/1 Running 0 4m24s

kube-system pod/kubernetes-dashboard-7ffd448895-k8q2x 1/1 Running 0 4m25s

kube-system pod/metrics-server-8bbfb4bdb-ktqrz 1/1 Running 0 4m30s

NAMESPACE NAME TYPE CLUSTER-IP EXTERNAL-IP PORT(S) AGE

default service/kubernetes ClusterIP 10.152.183.1 <none> 443/TCP 30m

kube-system service/kube-dns ClusterIP 10.152.183.10 <none> 53/UDP,53/TCP,9153/TCP 4m38s

kube-system service/metrics-server ClusterIP 10.152.183.112 <none> 443/TCP 4m30s

kube-system service/kubernetes-dashboard ClusterIP 10.152.183.30 <none> 443/TCP 4m25s

kube-system service/dashboard-metrics-scraper ClusterIP 10.152.183.37 <none> 8000/TCP 4m25s

NAMESPACE NAME DESIRED CURRENT READY UP-TO-DATE AVAILABLE NODE SELECTOR AGE

kube-system daemonset.apps/calico-node 1 1 1 1 1 kubernetes.io/os=linux 30m

NAMESPACE NAME READY UP-TO-DATE AVAILABLE AGE

kube-system deployment.apps/calico-kube-controllers 1/1 1 1 30m

kube-system deployment.apps/dashboard-metrics-scraper 1/1 1 1 4m25s

kube-system deployment.apps/coredns 1/1 1 1 4m38s

kube-system deployment.apps/hostpath-provisioner 1/1 1 1 4m25s

kube-system deployment.apps/kubernetes-dashboard 1/1 1 1 4m25s

kube-system deployment.apps/metrics-server 1/1 1 1 4m30s

NAMESPACE NAME DESIRED CURRENT READY AGE

kube-system replicaset.apps/calico-kube-controllers-847c8c99d 1 1 1 30m

kube-system replicaset.apps/dashboard-metrics-scraper-6c4568dc68 1 1 1 4m25s

kube-system replicaset.apps/coredns-86f78bb79c 1 1 1 4m38s

kube-system replicaset.apps/hostpath-provisioner-5c65fbdb4f 1 1 1 4m25s

kube-system replicaset.apps/kubernetes-dashboard-7ffd448895 1 1 1 4m25s

kube-system replicaset.apps/metrics-server-8bbfb4bdb 1 1 1 4m30s

root@ubuntu:/home/verrichiello#

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token=$(microk8s kubectl -n kube-system get secret | grep default-token | cut -d " " -f1)

microk8s kubectl -n kube-system describe secret $token

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root@ubuntu:/home/verrichiello# microk8s kubectl -n kube-system describe secret $token

Name: default-token-xpr7t

Namespace: kube-system

Labels: <none>

Annotations: kubernetes.io/service-account.name: default

kubernetes.io/service-account.uid: e980387f-07a4-43df-b2f9-9c4c061ff1ed

Type: kubernetes.io/service-account-token

Data

====

ca.crt: 1103 bytes

namespace: 11 bytes

token: eyJhbGciOiJSUzI1NiIsImtpZCI6InVuaTJnRU9YXzdoTzBfUGFicGJQTkNxRGhFQThRTGFiMmxYZUM0M0c0QlkifQ.eyJpc3MiOiJrdWJlcm5ldGVzL3NlcnZpY2VhY2NvdW50Iiwia3ViZXJuZXRlcy5pby9zZXJ2aWNlYWNjb3VudC9uYW1lc3BhY2UiOiJrdWJlLXN5c3RlbSIsImt1YmVybmV0ZXMuaW8vc2VydmljZWFjY291bnQvc2VjcmV0Lm5hbWUiOiJkZWZhdWx0LXRva2VuLXhwcjd0Iiwia3ViZXJuZXRlcy5pby9zZXJ2aWNlYWNjb3VudC9zZXJ2aWNlLWFjY291bnQubmFtZSI6ImRlZmF1bHQiLCJrdWJlcm5ldGVzLmlvL3NlcnZpY2VhY2NvdW50L3NlcnZpY2UtYWNjb3VudC51aWQiOiJlOTgwMzg3Zi0wN2E0LTQzZGYtYjJmOS05YzRjMDYxZmYxZWQiLCJzdWIiOiJzeXN0ZW06c2VydmljZWFjY291bnQ6a3ViZS1zeXN0ZW06ZGVmYXVsdCJ9.fcJeJlCWRApKVUaRoodMtT-L2LDGzFF5YEuEZ-nW2F3fB2BlmPKf6P91Wqma35bh_kARKjSfjdtunJ1OgwHZq6YbhhLnIaojpLDfrwVNFodAO1FcKlf7OSkssm_vaBSnH2lSFlroZN9pK31j9KhcDP1TbI5HWGdxUQr5QcqWJjGb5Mbry_Xe7VbYu4IHDeXemFx8UhSKzic70ZeFJaulU2iSYx5ioAyPTQAHmGP3QL_ajqSvuCGOCZMoS0uG1iWxaFneSnOaBCpeJvSIwajup9sQb8b_nJdHymuX1PTQXhLuelL8wHB_bzbl0qwHmu18PCLLgnh8bDIcLxKUfanqkw

root@ubuntu:/home/verrichiello#

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