vault backup: 2025-08-23 01:21:38
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parent
cabf03e8e3
commit
352feb730c
12
.obsidian/workspace-mobile.json
vendored
12
.obsidian/workspace-mobile.json
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@ -205,17 +205,20 @@
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"obsidian-git:Open Git source control": false
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"obsidian-git:Open Git source control": false
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}
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}
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},
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},
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"active": "9a8de285fda95cb1",
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"active": "d47b13999625374c",
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"lastOpenFiles": [
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"lastOpenFiles": [
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"/5 - People/Nina Hammer.md",
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"/Smash Ultimate Robin.md",
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"/5 - People/Insa Sangs.md",
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"/5 - People/Fabian Manger.md",
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"/5 - People",
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"3 - Resources/Traveling Checklist.md",
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"3 - Resources/Traveling Checklist.md",
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"3 - Resources/Smash Ultimate.md",
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"3 - Resources/Smash Ultimate.md",
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"temporary.md",
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"temporary.md",
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"Smash Ultimate Robin.md",
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"Smash Ultimate Robin.md",
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"/temporary.md",
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"/temporary.md",
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"/Smash Ultimate Robin.md",
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"/5 - People/Euk.md",
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"/5 - People/Euk.md",
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"5 - People/Euk.md",
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"5 - People/Euk.md",
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"/5 - People",
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"Computer Science Education.md",
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"Computer Science Education.md",
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"5 - People/Insa Sangs.md",
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"5 - People/Insa Sangs.md",
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"1 - Projects/LGA NXT gift for Geert.md",
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"1 - Projects/LGA NXT gift for Geert.md",
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@ -232,9 +235,6 @@
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"/7 - Templates",
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"/7 - Templates",
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"6 - Journal/2025_06_13.md",
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"6 - Journal/2025_06_13.md",
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"6 - Journal/2025-08-01.md",
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"6 - Journal/2025-08-01.md",
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"3 - Resources/Silkroad Pserver.md",
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"3 - Resources/Insights.md",
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"3 - Resources/3D Printer.md",
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"/6 - Journal",
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"/6 - Journal",
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"/0 - Archives/1 - projects",
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"/0 - Archives/1 - projects",
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"/0 - Archives",
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"/0 - Archives",
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@ -39,8 +39,11 @@ Earn IBM Fullstack developer certificate (but afte)
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- `kubectl describe pod myapp-pod`
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- `kubectl describe pod myapp-pod`
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- `kubectl run redis --image=redis123 --dry-run=client -o yaml > redis.yaml` create yaml specification file for a pod
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- `kubectl run redis --image=redis123 --dry-run=client -o yaml > redis.yaml` create yaml specification file for a pod
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- `kubectl get replicaset` and `kubectl get replicacontroller`
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- `kubectl get replicaset` and `kubectl get replicacontroller`
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-
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- `kubectl scale --replicas=6 -f replicaset-definition.yml` better than `kubectl scale --replicas=6 replicaset myapp-replicaset` because latter only modifies deployed definition and not source file
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- `kubectl apply -f replicaset-definition.yml`
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- `kubectl get all` (lists deployment, then replicaset, then pods)
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- scaling: we create additional pods. a pod can contain multiple containers but one pod shall only contain what is necessary for one instance of the application. we do NOT create additional containers in the same pod
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- scaling: we create additional pods. a pod can contain multiple containers but one pod shall only contain what is necessary for one instance of the application. we do NOT create additional containers in the same pod
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- deployment: recreate (all down, then all new up) vs rollingUpdate (default, scales down/up replicasets by one at a time). `kubectl rollout undo deployment/myapp-deployment` will roll back
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- minikube: bundles master node programs and node programs on one machine. requires virtualization (via hypervisor KVM, VirtualBox... or docker but latter is not recommended)
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- minikube: bundles master node programs and node programs on one machine. requires virtualization (via hypervisor KVM, VirtualBox... or docker but latter is not recommended)
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- ctr: CLI for containerD, not very user friendly and mostly for debugging
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- ctr: CLI for containerD, not very user friendly and mostly for debugging
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- It is advised to use nerdctl instead
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- It is advised to use nerdctl instead
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