sudo mkdir -p /opt/cli/minikube-linux-amd64/bin
sudo wget -cq https://storage.googleapis.com/minikube/releases/latest/minikube-linux-amd64\
-O /opt/cli/minikube-linux-amd64/bin/minikube
sudo chmod +x /opt/cli/minikube-linux-amd64/bin/minikube
sudo update-alternatives --install /usr/local/bin/minikube minikube\
/opt/cli/minikube-linux-amd64/bin/minikube 1980
Order |
Port Type |
Internal IP |
Internal Port |
External IP |
External Port
|
1 |
TCP |
0.0.0.0 |
32443 |
127.0.0.1 |
49153
|
2 |
TCP |
0.0.0.0 |
8443 |
127.0.0.1 |
49154
|
3 |
TCP |
0.0.0.0 |
5000 |
127.0.0.1 |
49155
|
4 |
TCP |
0.0.0.0 |
2376 |
127.0.0.1 |
49156
|
5 |
TCP |
0.0.0.0 |
22 |
127.0.0.1 |
49157
|
Kubectl
sudo mkdir -p /etc/apt/keyrings
sudo curl -fsSLo /etc/apt/keyrings/kubernetes-archive-keyring.gpg\
https://packages.cloud.google.com/apt/doc/apt-key.gpg
cat << EOF | sudo tee /etc/apt/sources.list.d/kubernetes.list >/dev/null
deb [arch=$(dpkg --print-architecture)\
signed-by=/etc/apt/keyrings/kubernetes-archive-keyring.gpg]\
https://apt.kubernetes.io/ kubernetes-xenial main
EOF
sudo apt update
sudo apt install kubectl
Cluster
minikube start
:'
๐ minikube v1.29.0 on Ubuntu 22.04
โจ Automatically selected the docker driver. Other choices: kvm2, qemu2, none, ssh
๐ Using Docker driver with root privileges
๐ Starting control plane node minikube in cluster minikube
๐ Pulling base image ...
๐พ Downloading Kubernetes v1.26.1 preload ...
> preloaded-images-k8s-v18-v1...: 397.05 MiB / 397.05 MiB 100.00% 33.42 M
> gcr.io/k8s-minikube/kicbase...: 407.19 MiB / 407.19 MiB 100.00% 7.46 Mi
๐ฅ Creating docker container (CPUs=2, Memory=5900MB) ...
๐ณ Preparing Kubernetes v1.26.1 on Docker 20.10.23 ...
โช Generating certificates and keys ...
โช Booting up control plane ...
โช Configuring RBAC rules ...
๐ Configuring bridge CNI (Container Networking Interface) ...
โช Using image gcr.io/k8s-minikube/storage-provisioner:v5
๐ Enabled addons: storage-provisioner, default-storageclass
๐ Verifying Kubernetes components...
๐ Done! kubectl is now configured to use "minikube" cluster and "default" namespace by default
'
kubectl get po -A
minikube kubectl -- get po -A
:'
NAMESPACE NAME READY STATUS RESTARTS AGE
kube-system coredns-64897985d-thxhw 1/1 Running 0 8m14s
kube-system etcd-minikube 1/1 Running 0 8m26s
kube-system kube-apiserver-minikube 1/1 Running 0 8m26s
kube-system kube-controller-manager-minikube 1/1 Running 0 8m26s
kube-system kube-proxy-xqfl2 1/1 Running 0 8m13s
kube-system kube-scheduler-minikube 1/1 Running 0 8m26s
kube-system storage-provisioner 1/1 Running 1 (7m43s ago) 8m25s
'
Dashboard
minikube addons enable metrics-server
minikube dashboard
:'
๐ Enabling ...
โช Using image kubernetesui/metrics-scraper:v1.0.7
โช Using image kubernetesui/dashboard:v2.3.1
๐ค Verifying dashboard health ...
๐ Launching proxy ...
๐ค Verifying proxy health ...
๐ Opening http://127.0.0.1:36403/api/v1/namespaces/kubernetes-dashboard/services/http:kubernetes-dashboard:/proxy/ in your default browser...
Gtk-Message: 17:34:36.652: Failed to load module "canberra-gtk-module"
Gtk-Message: 17:34:36.654: Failed to load module "canberra-gtk-module"
'
Deploy
kubectl create deployment hello-minikube --image=k8s.gcr.io/echoserver:1.4
kubectl expose deployment hello-minikube --type=NodePort --port=8080
kubectl get services hello-minikube
minikube service hello-minikube
kubectl port-forward service/hello-minikube 7080:8080
http://localhost:7080/
LoadBalancer deployments
kubectl create deployment balanced --image=k8s.gcr.io/echoserver:1.4
kubectl expose deployment balanced --type=LoadBalancer --port=8080
minikube tunnel
kubectl get services balanced
Example
docker build -t chorke/crawler:1.0.00 -f ./Dockerfile .
docker tag chorke/crawler:1.0.00 reg.chorke.org/chorke/crawler:1.0.00
docker push reg.chorke.org/chorke/crawler:1.0.00
docker pull hub.chorke.org/chorke/crawler:1.0.00
docker tag hub.chorke.org/chorke/crawler:1.0.00 chorke/crawler:1.0.00
minikube image load chorke/crawler:1.0.00
minikube image ls --format table
kubectl run crawler --image=chorke/crawler:1.0.00 --image-pull-policy=Never --restart=Never
kubectl logs crawler
kubectl get pod
kubectl delete -n default pod crawler
kubectl delete pod crawler
kubectl create deployment crawler --image=chorke/crawler:1.0.00
kubectl expose deployment crawler --type=NodePort --port=1983
kubectl get services crawler
kubectl port-forward service/crawler 1983:1983
http://localhost:1983/crawler
Knowledge
minikube stop
minikube start
minikube pause
minikube unpause
minikube addons list
minikube delete --all
|
minikube docker-env
minikube image ls --format table
minikube config set memory 16384
eval $(minikube -p minikube docker-env)
minikube start -p aged --kubernetes-version=v1.16.1
minikube start -p aged --kubernetes-version=v1.24.0
|
|
docker ps -a
docker images
docker image ls
docker network ls
docker rm $(docker ps -a -q)
docker stop $(docker ps -a -q)
docker build\
-t chorke/crawler:1.0.00 -f ./Dockerfile .
docker logs crawler
docker stop crawler && docker rm crawler
|
kubectl get pod
kubectl cluster-info
kubectl get namespaces
kubectl -n kube-system get svc -o wide
minikube image ls --format table
minikube image load chorke/crawler:1.0.00
kubectl run crawler --image=chorke/crawler:1.0.00\
--image-pull-policy=Never --restart=Never
kubectl logs crawler
kubectl delete pod crawler
|
|
docker container inspect minikube \
--format="{{ (index (index .NetworkSettings.Ports \"8443/tcp\") 0).HostPort }}"
docker container ls --filter=name=minikube --format="{{.Ports}}" | tr , \\n
|
|
kubectl get po -A
kubectl explain pods
kubectl get services
kubectl get services crawler
kubectl describe pods crawler
kubectl get pods --all-namespaces
kubectl get services
kubectl get services -n default
kubectl get services --all-namespaces
kubectl delete pod crawler
kubectl delete -n default pod crawler
|
minikube kubectl -- get po -A
minikube kubectl -- explain pods
minikube kubectl -- get services
minikube kubectl -- get service crawler
minikube kubectl -- describe pods crawler
minikube kubectl -- get pods --all-namespaces
minikube service --all
minikube service list -n default
minikube service list
minikube kubectl -- delete pod crawler
minikube kubectl -- delete -n default pod crawler
|
References