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get the kubernetics command to update the node partially

Soumyaranjan Rout answered on June 26, 2022 Popularity 1/10 Helpfulness 1/10

answer get the kubernetics command to update the node partially

get the kubernetics command to update the node partially

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# Partially update a node
kubectl patch node k8s-node-1 -p '{"spec":{"unschedulable":true}}'

# Update a container's image; spec.containers[*].name is required because it's a merge key
kubectl patch pod valid-pod -p '{"spec":{"containers":[{"name":"kubernetes-serve-hostname","image":"new image"}]}}'

# Update a container's image using a json patch with positional arrays
kubectl patch pod valid-pod --type='json' -p='[{"op": "replace", "path": "/spec/containers/0/image", "value":"new image"}]'

# Disable a deployment livenessProbe using a json patch with positional arrays 
kubectl patch deployment valid-deployment  --type json   -p='[{"op": "remove", "path": "/spec/template/spec/containers/0/livenessProbe"}]'

# Add a new element to a positional array
kubectl patch sa default --type='json' -p='[{"op": "add", "path": "/secrets/1", "value": {"name": "whatever" } }]'

# Update a deployment's replica count by patching its scale subresource
kubectl patch deployment nginx-deployment --subresource='scale' --type='merge' -p '{"spec":{"replicas":2}}'

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Source: kubernetes.io

Tags: command get whatever

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Contributed on Jun 26 2022

Soumyaranjan Rout

0 Answers Avg Quality 2/10

get the kubernetics command to update the node partially

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