Minikube : Basic Usage2026/05/07 |
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This is the basic operation on Single Node Kubernetes Cluster on Minikube. |
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| [1] | Create or Delete Pods. |
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# run [test-nginx] pods ubuntu@dlp:~$ kubectl create deployment test-nginx --image=nginx deployment.apps/test-nginx created kubectl get pods NAME READY STATUS RESTARTS AGE test-nginx-9496d7c6b-qg2sr 1/1 Running 0 11s # show environment variable for [test-nginx] pod ubuntu@dlp:~$ kubectl exec test-nginx-9496d7c6b-qg2sr -- env PATH=/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin HOSTNAME=test-nginx-9496d7c6b-qg2sr KUBERNETES_PORT_443_TCP=tcp://10.96.0.1:443 KUBERNETES_PORT_443_TCP_PROTO=tcp KUBERNETES_PORT_443_TCP_PORT=443 KUBERNETES_PORT_443_TCP_ADDR=10.96.0.1 KUBERNETES_SERVICE_HOST=10.96.0.1 KUBERNETES_SERVICE_PORT=443 KUBERNETES_SERVICE_PORT_HTTPS=443 KUBERNETES_PORT=tcp://10.96.0.1:443 NGINX_VERSION=1.29.8 NJS_VERSION=0.9.6 NJS_RELEASE=1~trixie ACME_VERSION=0.3.1 PKG_RELEASE=1~trixie DYNPKG_RELEASE=1~trixie HOME=/root # shell access to [test-nginx] pod ubuntu@dlp:~$ kubectl exec -it test-nginx-9496d7c6b-qg2sr -- bash
root@test-nginx-9496d7c6b-qg2sr:/#
exit
# show logs of [test-nginx] pod ubuntu@dlp:~$ kubectl logs test-nginx-9496d7c6b-qg2sr /docker-entrypoint.sh: /docker-entrypoint.d/ is not empty, will attempt to perform configuration /docker-entrypoint.sh: Looking for shell scripts in /docker-entrypoint.d/ /docker-entrypoint.sh: Launching /docker-entrypoint.d/10-listen-on-ipv6-by-default.sh 10-listen-on-ipv6-by-default.sh: info: Getting the checksum of /etc/nginx/conf.d/default.conf 10-listen-on-ipv6-by-default.sh: info: Enabled listen on IPv6 in /etc/nginx/conf.d/default.conf /docker-entrypoint.sh: Sourcing /docker-entrypoint.d/15-local-resolvers.envsh /docker-entrypoint.sh: Launching /docker-entrypoint.d/20-envsubst-on-templates.sh /docker-entrypoint.sh: Launching /docker-entrypoint.d/30-tune-worker-processes.sh /docker-entrypoint.sh: Configuration complete; ready for start up 2026/05/06 06:46:21 [notice] 1#1: using the "epoll" event method 2026/05/06 06:46:21 [notice] 1#1: nginx/1.29.8 2026/05/06 06:46:21 [notice] 1#1: built by gcc 14.2.0 (Debian 14.2.0-19) 2026/05/06 06:46:21 [notice] 1#1: OS: Linux 6.6.95 2026/05/06 06:46:21 [notice] 1#1: getrlimit(RLIMIT_NOFILE): 1048576:1048576 2026/05/06 06:46:21 [notice] 1#1: start worker processes 2026/05/06 06:46:21 [notice] 1#1: start worker process 29 2026/05/06 06:46:21 [notice] 1#1: start worker process 30 ..... ..... # scale out pods ubuntu@dlp:~$ kubectl scale deployment test-nginx --replicas=3 deployment.apps/test-nginx scaled ubuntu@dlp:~$ kubectl get pods NAME READY STATUS RESTARTS AGE test-nginx-9496d7c6b-qg2sr 1/1 Running 0 2m36s test-nginx-9496d7c6b-t5m6d 1/1 Running 0 8s test-nginx-9496d7c6b-ztrk4 1/1 Running 0 8s # set service ubuntu@dlp:~$ kubectl expose deployment test-nginx --type="NodePort" --port 80 service/test-nginx exposed ubuntu@dlp:~$ kubectl get services test-nginx NAME TYPE CLUSTER-IP EXTERNAL-IP PORT(S) AGE test-nginx NodePort 10.101.96.212 <none> 80:31424/TCP 5subuntu@dlp:~$ minikube service test-nginx --url http://192.168.39.239:31424 ubuntu@dlp:~$ curl http://192.168.39.239:31424 <!DOCTYPE html> <html> <head> <title>Welcome to nginx!</title> ..... ..... <p><em>Thank you for using nginx.</em></p> </body> </html> # delete service ubuntu@dlp:~$ kubectl delete services test-nginx service "test-nginx" deleted # delete pods ubuntu@dlp:~$ kubectl delete deployment test-nginx deployment.extensions "test-nginx" deleted |
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