Minikube : Basic Usage |
This is the basic operation on Single Node Kubernetes Cluster on Minikube. | |
| [1] | Create or Delete Pods. |
# run [test-nginx] pods debian@dlp:~$ kubectl create deployment test-nginx --image=nginx deployment.apps/test-nginx created kubectl get pods NAME READY STATUS RESTARTS AGE test-nginx-b6dfcf6bd-x5vc6 1/1 Running 0 17s # show environment variable for [test-nginx] pod debian@dlp:~$ kubectl exec test-nginx-b6dfcf6bd-x5vc6 -- env PATH=/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin HOSTNAME=test-nginx-b6dfcf6bd-x5vc6 KUBERNETES_SERVICE_HOST=10.96.0.1 KUBERNETES_SERVICE_PORT=443 KUBERNETES_SERVICE_PORT_HTTPS=443 KUBERNETES_PORT=tcp://10.96.0.1:443 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 NGINX_VERSION=1.29.1 NJS_VERSION=0.9.1 NJS_RELEASE=1~bookworm PKG_RELEASE=1~bookworm DYNPKG_RELEASE=1~bookworm HOME=/root # shell access to [test-nginx] pod debian@dlp:~$ kubectl exec -it test-nginx-b6dfcf6bd-x5vc6 -- bash hostname test-nginx-b6dfcf6bd-x5vc6 root@test-nginx-b6dfcf6bd-x5vc6:/# exit # show logs of [test-nginx] pod debian@dlp:~$ kubectl logs test-nginx-b6dfcf6bd-x5vc6 /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 2025/08/22 02:14:53 [notice] 1#1: using the "epoll" event method 2025/08/22 02:14:53 [notice] 1#1: nginx/1.29.1 2025/08/22 02:14:53 [notice] 1#1: built by gcc 12.2.0 (Debian 12.2.0-14+deb12u1) 2025/08/22 02:14:53 [notice] 1#1: OS: Linux 5.10.207 2025/08/22 02:14:53 [notice] 1#1: getrlimit(RLIMIT_NOFILE): 1048576:1048576 2025/08/22 02:14:53 [notice] 1#1: start worker processes ..... ..... # scale out pods debian@dlp:~$ kubectl scale deployment test-nginx --replicas=3 deployment.apps/test-nginx scaled debian@dlp:~$ kubectl get pods NAME READY STATUS RESTARTS AGE test-nginx-b6dfcf6bd-8v4w6 1/1 Running 0 7s test-nginx-b6dfcf6bd-w9b9m 1/1 Running 0 7s test-nginx-b6dfcf6bd-x5vc6 1/1 Running 0 2m36s # set service debian@dlp:~$ kubectl expose deployment test-nginx --type="NodePort" --port 80 service/test-nginx exposed debian@dlp:~$ kubectl get services test-nginx NAME TYPE CLUSTER-IP EXTERNAL-IP PORT(S) AGE test-nginx NodePort 10.109.167.3 <none> 80:30286/TCP 4sdebian@dlp:~$ minikube service test-nginx --url http://192.168.39.19:30286 debian@dlp:~$ curl http://192.168.39.19:30286 <!DOCTYPE html> <html> <head> <title>Welcome to nginx!</title> ..... ..... <p><em>Thank you for using nginx.</em></p> </body> </html> # delete service debian@dlp:~$ kubectl delete services test-nginx service "test-nginx" deleted # delete pods debian@dlp:~$ kubectl delete deployment test-nginx deployment.extensions "test-nginx" deleted |
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