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| **Winget Package** | ||
| `winget install sqlitestudio.pl.SQLiteStudio` | ||
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| **EF Core Package** | ||
| `Microsoft.EntityFrameworkCore.Sqlite` | ||
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| [[EntityFramework]] | ||
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| `"Data Source=mydatabase.db"` |
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| - https://www.googleapis.com/calendar/v3/calendars/{UrlEncodedCalendarId}/events?key=[ApiKey] | ||
| - https://www.googleapis.com/calendar/v3/calendars/en.australian%23holiday%40group.v.calendar.google.com/events?key=aaSSSyA0Ur2m863-CONQKZJd-tfGRR4FtrtytryrtTRRTY | ||
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| ## Full List of Calendars (Country & Religious) | ||
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| ||\ ['Australian Holidays', 'en.australian#[email protected]'],| | ||
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| ## Reference Material | ||
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| https://stackoverflow.com/questions/30833844/get-holidays-list-of-a-country-from-google-calendar-api | ||
| - https://stackoverflow.com/questions/30833844/get-holidays-list-of-a-country-from-google-calendar-api | ||
| - https://en.wikipedia.org/wiki/List_of_ISO_3166_country_codes | ||
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| `winget install Kubernetes.kubectl` | ||
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| - Clusters -> Nodes -> PODs -> 1 or more containers | ||
| - Controllers (Job / CronJob) | ||
| - Worker | ||
| - Ingress Controller (Nginx) | ||
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| ## Update Kube File | ||
| `aws eks update-kubeconfig --name au-sandbox --region ap-southeast-2` | ||
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| ## Kubernetes API | ||
| `kubectl api-resources` | ||
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| ## Namespaces | ||
| `kubectl create namespace leandrom` | ||
| `kubectl delete namespace leandrom` | ||
| `kubectl get namespaces` | ||
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| ## POD | ||
| https://kubernetes.io/docs/concepts/workloads/pods/ | ||
| `kubectl apply -n leandrom -f hello-world.yml` | ||
| `kubectl apply -f hello-world.yml` | ||
| `kubectl get pods -n leandrom` | ||
| `kubectl describe pod hello-world -n leandrom` | ||
| `kubectl logs hello-world -n leandrom` | ||
| `kubectl delete pod hello-world -n leandrom` | ||
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| `hello-world.yml` | ||
| ``` | ||
| apiVersion: v1 | ||
| kind: Pod | ||
| metadata: | ||
| name: hello-world | ||
| namespace: leandrom | ||
| spec: | ||
| restartPolicy: Always | ||
| containers: | ||
| - name: main | ||
| image: busybox | ||
| command: ['sh', '-c', 'echo $MESSAGE && sleep 10 && echo Bye!'] | ||
| env: | ||
| - name: MESSAGE | ||
| value: "Hello env vars!" | ||
| ``` | ||
| ### Restart Policy | ||
| https://kubernetes.io/docs/concepts/workloads/pods/pod-lifecycle/#restart-policy | ||
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| The `spec` of a Pod has a `restartPolicy` field with possible values `Always`, `OnFailure`, and `Never`. The default value is Always. | ||
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| ## Controllers | ||
| ### Jobs | ||
| `kubectl get job -n leandrom` | ||
| `kubectl delete job hellojob -n leandrom` | ||
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| ``` | ||
| apiVersion: batch/v1 | ||
| kind: Job | ||
| metadata: | ||
| name: hellojob | ||
| namespace: leandrom | ||
| spec: | ||
| completions: 20 | ||
| parallelism: 2 | ||
| template: | ||
| metadata: | ||
| name: hello-job | ||
| spec: | ||
| containers: | ||
| - name: main | ||
| image: busybox | ||
| command: ['sh', '-c', 'echo $MESSAGE && sleep 10 && echo Bye!'] | ||
| env: | ||
| - name: MESSAGE | ||
| value: "Hello env vars!" | ||
| restartPolicy: OnFailure | ||
| ``` | ||
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| ### Cron Jobs | ||
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| ``` | ||
| apiVersion: batch/v1 | ||
| kind: CronJob | ||
| metadata: | ||
| name: hellocron | ||
| namespace: leandrom | ||
| spec: | ||
| schedule: "* * * * *" | ||
| jobTemplate: | ||
| spec: | ||
| template: | ||
| spec: | ||
| containers: | ||
| - name: main | ||
| image: busybox | ||
| command: ['sh', '-c', 'echo $MESSAGE && sleep 10 && echo Bye!'] | ||
| env: | ||
| - name: MESSAGE | ||
| value: "Hello env vars!" | ||
| restartPolicy: OnFailure | ||
| ``` | ||
| ## Export/Import Resources | ||
| `kubectl get namespace leandrom -o yaml` | ||
| `kubectl get pod debian -n leandrom -o yaml` | ||
| `kubectl apply -f namespace.yaml` | ||
| `kubectl apply -f pod.yaml` | ||
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| ## References | ||
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| [Kubernetes 101: Pods, Nodes, Containers, and Clusters](https://medium.com/google-cloud/kubernetes-101-pods-nodes-containers-and-clusters-c1509e409e16) |