prompt stringlengths 13 282 | response stringlengths 128 3.11k |
|---|---|
View the output from the time-machine container in the security-service-pod | Command:
```bash
kubectl attach security-service-pod -c time-machine
```
What it does:
Attach to a process that is already running inside an existing container.
Syntax:
`kubectl attach (POD | TYPE/NAME) -c CONTAINER`
Helpful flags:
"flag": "--container", "short": "-c", "default": "", "usage": "Container name. If omi... |
Add a taint with the key 'disktype' on nodes that have the label 'stack=tech-stack' | Command:
```bash
kubectl taint node -l stack=tech-stack disktype=testing-node-11:PreferNoSchedule
```
What it does:
Update the taints on one or more nodes.
Syntax:
`kubectl taint NODE NAME KEY_1=VAL_1:TAINT_EFFECT_1 ... KEY_N=VAL_N:TAINT_EFFECT_N`
Helpful flags:
"flag": "--output", "short": "-o", "default": "", "us... |
Create a new secret named tls-certificate-secret with keys for each file in folder 'path/to/profiles' | Command:
```bash
kubectl create secret generic tls-certificate-secret --from-file=path/to/profiles
```
What it does:
Create a secret based on a file, directory, or specified literal value.
A single secret may package one or more key/value pairs.
When creating a secret based on a file, the key will default to the basen... |
Add a taint with the key 'workload' and the value 'testing-node-11:PreferNoSchedule' on nodes that have the label 'stack=tech-stack' | Command:
```bash
kubectl taint node -l stack=tech-stack workload=testing-node-11:PreferNoSchedule
```
What it does:
Update the taints on one or more nodes.
Syntax:
`kubectl taint NODE NAME KEY_1=VAL_1:TAINT_EFFECT_1 ... KEY_N=VAL_N:TAINT_EFFECT_N`
Helpful flags:
"flag": "--output", "short": "-o", "default": "", "us... |
Create an ingress called 'ingtls' with TLS enabled using the default ingress certificate | Command:
```bash
kubectl create ingress ingtls --class=default \
--rule="site.com/=svc:https,tls" \
--rule="website.com/path/subpath*=othersvc:8181"
```
What it does:
Create an ingress with the specified name.
Syntax:
`kubectl create ingress NAME --rule=host/path=service:port[,tls[=secret]]`
Helpful flags:
"flag": "... |
Scale the mysql deployment to 7 replicas to match the current size of the webapp-replicaset deployment. | Command:
```bash
kubectl scale --current-replicas=7 --replicas=7 deployment/webapp-replicaset
```
What it does:
Set a new size for a deployment, replica set, replication controller, or stateful set.
Scale also allows users to specify one or more preconditions for the scale action.
If --current-replicas or --resource-v... |
Update the expiration-date annotation of a pod in the pod.json file. | Command:
```bash
kubectl annotate -f pod.json expiration-date='2024-12-31'
```
What it does:
Update the annotations on one or more resources.
All Kubernetes objects support the ability to store additional data with the object as annotations. Annotations are key/value pairs that can be larger than labels and include ar... |
Import the environment from the 'aws-credentials-secret' secret to the 'analytics-platform-deployment' deployment. | Command:
```bash
kubectl set env --from=secret/aws-credentials-secret deployment/analytics-platform-deployment
```
What it does:
Update environment variables on a pod template.
List environment variable definitions in one or more pods, pod templates. Add, update, or remove container environment variable definitions in... |
Expose a service with a different name and port | Command:
```bash
kubectl expose service php --port=443 --target-port=3000 --name=nginx-https
```
What it does:
Expose a resource as a new Kubernetes service.
Looks up a deployment, service, replica set, replication controller or pod by name and uses the selector for that resource as the selector for a new service on t... |
Create a new config map named app-config using specific keys instead of file basenames on disk | Command:
```bash
kubectl create configmap app-config --from-file=conf=/path/to/configurations/file1.txt --from-file=data=/path/to/settings/file2.txt
```
What it does:
Create a config map based on a file, directory, or specified literal value.
A single config map may package one or more key/value pairs.
When creating a... |
Set the resource request and limits for all containers in the 'ruby' deployment | Command:
```bash
kubectl set resources deployment ruby --limits=cpu=200m,memory=512Mi --requests=cpu=2,memory=256Mi
```
What it does:
Specify compute resource requirements (CPU, memory) for any resource that defines a pod template. If a pod is successfully scheduled, it is guaranteed the amount of resource requested,... |
Create a cluster role named "foo" with specific resource names | Command:
```bash
kubectl create clusterrole foo --verb=create --resource=services --resource-name=queue-consumer --resource-name=backup-service
```
What it does:
Create a cluster role.
Syntax:
`kubectl create clusterrole NAME --verb=verb --resource=resource.group [--resource-name=resourcename] [--dry-run=server|clien... |
Create a job named report-generation-job using the image confluentinc/cp-kafka | Command:
```bash
kubectl create job report-generation-job --image=confluentinc/cp-kafka -- kafka-console-producer --broker-list localhost:9092 --topic test
```
What it does:
Create a job with the specified name.
Syntax:
`kubectl create job NAME --image=image [--from=cronjob/name] -- [COMMAND] [args...]`
Helpful flag... |
Execute the command 'go version' in the code-explorer container of the auth-service-pod and retrieve the output. | Command:
```bash
kubectl exec auth-service-pod -c code-explorer -- go version
```
What it does:
Execute a command in a container.
Syntax:
`kubectl exec (POD | TYPE/NAME) [-c CONTAINER] [flags] -- COMMAND [args...]`
Helpful flags:
"flag": "--container", "short": "-c", "default": "", "usage": "Container name. If omitt... |
Listen for incoming traffic on port 3000 on your local machine and forward it to port 8080 in the 'proxy-server-pod' pod. | Command:
```bash
kubectl port-forward pod/proxy-server-pod 3000:8080
```
What it does:
Forward one or more local ports to a pod.
Use resource type/name such as deployment/mydeployment to select a pod. Resource type defaults to 'pod' if omitted.
If there are multiple pods matching the criteria, a pod will be selected a... |
import the API_KEY key from the namespace-config config map into the api-server-deployment deployment | Command:
```bash
kubectl set env --keys=API_KEY --from=configmap/namespace-config deployment/api-server-deployment
```
What it does:
Update environment variables on a pod template.
List environment variable definitions in one or more pods, pod templates. Add, update, or remove container environment variable definition... |
Open a raw terminal to the "api-service-pod" container named "stardust-shuttle", allowing input and output from the client. | Command:
```bash
kubectl attach api-service-pod -c stardust-shuttle -i -t
```
What it does:
Attach to a process that is already running inside an existing container.
Syntax:
`kubectl attach (POD | TYPE/NAME) -c CONTAINER`
Helpful flags:
"flag": "--container", "short": "-c", "default": "", "usage": "Container name. I... |
Create a cron job named "report-generation" that runs a command using the "redis" image every minute | Command:
```bash
kubectl create cronjob report-generation --image=redis --schedule="*/1 * * * *" -- redis-server --version
```
What it does:
Create a cron job with the specified name.
Syntax:
`kubectl create cronjob NAME --image=image --schedule='0/5 * * * ?' -- [COMMAND] [args...]`
Helpful flags:
"flag": "--output"... |
Forward traffic from port 8000 on both localhost and IP address 10.19.21.23 to port 6379 in the 'proxy-server-pod' pod. | Command:
```bash
kubectl port-forward --address localhost,10.19.21.23 pod/proxy-server-pod 8000:6379
```
What it does:
Forward one or more local ports to a pod.
Use resource type/name such as deployment/mydeployment to select a pod. Resource type defaults to 'pod' if omitted.
If there are multiple pods matching the cr... |
Create a copy of 'analytics-pod' and add a debug container with the images 'debian' and 'redis:alpine' for the containers 'cache' and 'mailer' respectively, and name it 'my-custom-dbg'. | Command:
```bash
kubectl debug analytics-pod -it --copy-to=my-custom-dbg --image=debian --set-image=cache=redis:alpine,mailer=mailer:latest
```
What it does:
Debug cluster resources using interactive debugging containers.
'debug' provides automation for common debugging tasks for cluster objects identified by resource... |
Import the MAX_CONNECTIONS key from the config map 'api-config' and set it as an environment variable in the deployment 'api-server-deployment' | Command:
```bash
kubectl set env --keys=MAX_CONNECTIONS --from=configmap/api-config deployment/api-server-deployment
```
What it does:
Update environment variables on a pod template.
List environment variable definitions in one or more pods, pod templates. Add, update, or remove container environment variable definiti... |
Set the resource request and limits for all containers in the node deployment | Command:
```bash
kubectl set resources deployment node --limits=cpu=200m,memory=512Mi --requests=cpu=10,memory=4Gi
```
What it does:
Specify compute resource requirements (CPU, memory) for any resource that defines a pod template. If a pod is successfully scheduled, it is guaranteed the amount of resource requested, ... |
Change the service account of the 'mydeployment' deployment to 'metrics-server' | Command:
```bash
kubectl set serviceaccount deployment mydeployment metrics-server
```
What it does:
Update the service account of pod template resources.
Possible resources (case insensitive) can be:
replicationcontroller (rc), deployment (deploy), daemonset (ds), job, replicaset (rs), statefulset
Syntax:
`kubectl s... |
Forward local port 6379 to port 3000 in the cdn-service-pod pod | Command:
```bash
kubectl port-forward pod/cdn-service-pod 6379:3000
```
What it does:
Forward one or more local ports to a pod.
Use resource type/name such as deployment/mydeployment to select a pod. Resource type defaults to 'pod' if omitted.
If there are multiple pods matching the criteria, a pod will be selected au... |
Forward all incoming traffic on port 8000 to port 8080 in the 'log-aggregator-pod' pod, listening on all addresses. | Command:
```bash
kubectl port-forward --address 0.0.0.0 pod/log-aggregator-pod 8000:8080
```
What it does:
Forward one or more local ports to a pod.
Use resource type/name such as deployment/mydeployment to select a pod. Resource type defaults to 'pod' if omitted.
If there are multiple pods matching the criteria, a po... |
Copy the directory /tmp/foo_dir from the remote pod message-broker-pod-15 in the kube-node-lease namespace to the local directory /tmp/bar_dir. | Command:
```bash
kubectl cp kube-node-lease/message-broker-pod-15:/tmp/foo_dir /tmp/bar_dir
```
What it does:
Copy files and directories to and from containers.
Syntax:
`kubectl cp <file-spec-src> <file-spec-dest>`
Helpful flags:
"flag": "--container", "short": "-c", "default": "", "usage": "Container name. If omitt... |
View the logs from container "notification-handler-deployment-1" of the deployment named "monitoring-pod" | Command:
```bash
kubectl logs deployment/notification-handler-deployment -c monitoring-pod-1
```
What it does:
Print the logs for a container in a pod or specified resource. If the pod has only one container, the container name is optional.
Syntax:
`kubectl logs [-f] [-p] (POD | TYPE/NAME) [-c CONTAINER]`
Helpful fl... |
Execute 'ash' command in payment-service pod | Command:
```bash
kubectl exec svc/payment-service -- ash
```
What it does:
Execute a command in a container.
Syntax:
`kubectl exec (POD | TYPE/NAME) [-c CONTAINER] [flags] -- COMMAND [args...]`
Helpful flags:
"flag": "--container", "short": "-c", "default": "", "usage": "Container name. If omitted, use the kubectl.k... |
Copy the file "/tmp/foo" from the remote pod "security-scanner-pod-18" in the "default" namespace to the local directory "/tmp/bar_dir" | Command:
```bash
kubectl cp default/security-scanner-pod-18::/tmp/foo /tmp/bar_dir
```
What it does:
Copy files and directories to and from containers.
Syntax:
`kubectl cp <file-spec-src> <file-spec-dest>`
Helpful flags:
"flag": "--container", "short": "-c", "default": "", "usage": "Container name. If omitted, use t... |
Set the service account of the deployment named cache-cluster-deployment to "tiller" | Command:
```bash
kubectl set serviceaccount deployment cache-cluster-deployment tiller
```
What it does:
Update the service account of pod template resources.
Possible resources (case insensitive) can be:
replicationcontroller (rc), deployment (deploy), daemonset (ds), job, replicaset (rs), statefulset
Syntax:
`kubec... |
Import specific keys from a config map into a deployment. | Command:
```bash
kubectl set env --keys=external_api_url --from=configmap/kube-system-config deployment/frontend-deployment
```
What it does:
Update environment variables on a pod template.
List environment variable definitions in one or more pods, pod templates. Add, update, or remove container environment variable d... |
Set the label 'unhealthy=true' for the pod named 'web' | Command:
```bash
kubectl label pods web unhealthy=true
```
What it does:
Update the labels on a resource.
Syntax:
`kubectl label [--overwrite] (-f FILENAME | TYPE NAME) KEY_1=VAL_1 ... KEY_N=VAL_N [--resource-version=version]`
Helpful flags:
"flag": "--all-namespaces", "short": "-A", "default": "false", "usage": "If... |
View the environment variables defined on the 'load-balancer-deployment' deployment. | Command:
```bash
kubectl set env deployment/load-balancer-deployment --list
```
What it does:
Update environment variables on a pod template.
List environment variable definitions in one or more pods, pod templates. Add, update, or remove container environment variable definitions in one or more pod templates (within ... |
Listen on all addresses on port 5000 and forward traffic to port 8888 in the 'backend-pod' pod. | Command:
```bash
kubectl port-forward --address 0.0.0.0 pod/backend-pod 5000:8888
```
What it does:
Forward one or more local ports to a pod.
Use resource type/name such as deployment/mydeployment to select a pod. Resource type defaults to 'pod' if omitted.
If there are multiple pods matching the criteria, a pod will ... |
Import the "log_level" key from the "monitoring-config" ConfigMap and set it as an environment variable for the "mydeployment" deployment. | Command:
```bash
kubectl set env --keys=log_level --from=configmap/monitoring-config deployment/mydeployment
```
What it does:
Update environment variables on a pod template.
List environment variable definitions in one or more pods, pod templates. Add, update, or remove container environment variable definitions in o... |
Check if you have permission to list the job named "cron-job" in the "kube-ingress" namespace | Command:
```bash
kubectl auth can-i list jobs.batch/cron-job -n kube-ingress
```
What it does:
Check whether an action is allowed.
VERB is a logical Kubernetes API verb like 'get', 'list', 'watch', 'delete', etc. TYPE is a Kubernetes resource. Shortcuts and groups will be resolved. NONRESOURCEURL is a partial URL that... |
Jump into raw terminal mode for the "cosmic-container" in the "media-stream-pod" pod | Command:
```bash
kubectl attach media-stream-pod -c cosmic-container -i -t
```
What it does:
Attach to a process that is already running inside an existing container.
Syntax:
`kubectl attach (POD | TYPE/NAME) -c CONTAINER`
Helpful flags:
"flag": "--container", "short": "-c", "default": "", "usage": "Container name. ... |
Remove the 'NoExecute' taint with key 'datacenter' from node 'backup-node-14' | Command:
```bash
kubectl taint nodes backup-node-14 datacenter:NoExecute-
```
What it does:
Update the taints on one or more nodes.
Syntax:
`kubectl taint NODE NAME KEY_1=VAL_1:TAINT_EFFECT_1 ... KEY_N=VAL_N:TAINT_EFFECT_N`
Helpful flags:
"flag": "--output", "short": "-o", "default": "", "usage": "Output format. One... |
Create a new config map named 'app-secrets' using the provided files as key-value pairs | Command:
```bash
kubectl create configmap app-secrets --from-file=properties=/path/to/configs/file1.txt --from-file=key1=/path/to/parameters/file2.txt
```
What it does:
Create a config map based on a file, directory, or specified literal value.
A single config map may package one or more key/value pairs.
When creating... |
Forward traffic from local port 8088 to port 8080 in the pod named cdn-service-pod | Command:
```bash
kubectl port-forward pod/cdn-service-pod 8088:8080
```
What it does:
Forward one or more local ports to a pod.
Use resource type/name such as deployment/mydeployment to select a pod. Resource type defaults to 'pod' if omitted.
If there are multiple pods matching the criteria, a pod will be selected au... |
restart the 'test' deployment | Command:
```bash
kubectl rollout restart deployment/test
```
What it does:
Restart a resource.
Resource rollout will be restarted.
Syntax:
`kubectl rollout restart RESOURCE`
Helpful flags:
"flag": "--filename", "short": "-f", "default": "[]", "usage": "Filename, directory, or URL to files identifying the resource to... |
Copy the directory '/var/run/secrets/kubernetes.io/serviceaccount/' from the remote pod 'admin-dashboard-pod-16' to the local directory '/tmp/bar' | Command:
```bash
kubectl cp openfaas/admin-dashboard-pod-16:/var/run/secrets/kubernetes.io/serviceaccount/ /tmp/bar
```
What it does:
Copy files and directories to and from containers.
Syntax:
`kubectl cp <file-spec-src> <file-spec-dest>`
Helpful flags:
"flag": "--container", "short": "-c", "default": "", "usage": "... |
Embed the certificate authority data into the 'dev-cluster' cluster entry using the certificate authority file located at '~/.kube/galaxy-cluster/kubernetes.ca.crt' | Command:
```bash
kubectl config set-cluster dev-cluster --embed-certs --certificate-authority=~/.kube/galaxy-cluster/kubernetes.ca.crt
```
What it does:
Set a cluster entry in kubeconfig.
Specifying a name that already exists will merge new fields on top of existing values for those fields.
Syntax:
`kubectl config se... |
Scale the deployment named web to 7 replicas, maintaining the current number of replicas as 7. | Command:
```bash
kubectl scale --current-replicas=7 --replicas=7 deployment/web
```
What it does:
Set a new size for a deployment, replica set, replication controller, or stateful set.
Scale also allows users to specify one or more preconditions for the scale action.
If --current-replicas or --resource-version is spec... |
Remove all taints with the key 'hardware' from the node 'storage-node-13' | Command:
```bash
kubectl taint nodes storage-node-13 hardware-
```
What it does:
Update the taints on one or more nodes.
Syntax:
`kubectl taint NODE NAME KEY_1=VAL_1:TAINT_EFFECT_1 ... KEY_N=VAL_N:TAINT_EFFECT_N`
Helpful flags:
"flag": "--output", "short": "-o", "default": "", "usage": "Output format. One of: json|y... |
delete all pods and services with the label "myLabel" | Command:
```bash
kubectl delete pods,services -l myLabel
```
What it does:
Delete resources by file names, stdin, resources and names, or by resources and label selector.
JSON and YAML formats are accepted. Only one type of argument may be specified: file names, resources and names, or resources and label selector.
So... |
Create a deployment named prometheus that runs the ubuntu image and exposes port 5000. | Command:
```bash
kubectl create deployment prometheus --image=ubuntu --port=5000
```
What it does:
Create a deployment with the specified name.
Syntax:
`kubectl create deployment NAME --image=image -- [COMMAND] [args...]`
Helpful flags:
"flag": "--output", "short": "-o", "default": "", "usage": "Output format. One o... |
Execute the `elasticsearch --version` command in the code-explorer container of the backend-pod and get the output. | Command:
```bash
kubectl exec backend-pod -c code-explorer -- elasticsearch --version
```
What it does:
Execute a command in a container.
Syntax:
`kubectl exec (POD | TYPE/NAME) [-c CONTAINER] [flags] -- COMMAND [args...]`
Helpful flags:
"flag": "--container", "short": "-c", "default": "", "usage": "Container name. ... |
Set custom TLS server name for cluster entry "app-cluster" to "cluster-gamma" | Command:
```bash
kubectl config set-cluster app-cluster --tls-server-name=cluster-gamma
```
What it does:
Set a cluster entry in kubeconfig.
Specifying a name that already exists will merge new fields on top of existing values for those fields.
Syntax:
`kubectl config set-cluster NAME [--server=server] [--certificate... |
Update the pod 'chat-app' with the annotation 'owner' and set the value 'alice smith' | Command:
```bash
kubectl annotate pods chat-app owner='alice smith'
```
What it does:
Update the annotations on one or more resources.
All Kubernetes objects support the ability to store additional data with the object as annotations. Annotations are key/value pairs that can be larger than labels and include arbitrary... |
Forward local port 3000 to port 3000 in the pod selected by the 'authentication-service-deployment' deployment. | Command:
```bash
kubectl port-forward deployment/authentication-service-deployment 3000 3000
```
What it does:
Forward one or more local ports to a pod.
Use resource type/name such as deployment/mydeployment to select a pod. Resource type defaults to 'pod' if omitted.
If there are multiple pods matching the criteria, ... |
Get the output from running the 'bash' command inside the pod named 'backend-pod', using the first container in the pod. | Command:
```bash
kubectl exec backend-pod -- bash
```
What it does:
Execute a command in a container.
Syntax:
`kubectl exec (POD | TYPE/NAME) [-c CONTAINER] [flags] -- COMMAND [args...]`
Helpful flags:
"flag": "--container", "short": "-c", "default": "", "usage": "Container name. If omitted, use the kubectl.kubernet... |
Create a new config map named app-config-dev from the environment file located at path/to/preferences.env | Command:
```bash
kubectl create configmap app-config-dev --from-env-file=path/to/preferences.env
```
What it does:
Create a config map based on a file, directory, or specified literal value.
A single config map may package one or more key/value pairs.
When creating a config map based on a file, the key will default to... |
Forward local port 8080 to port 5000 in a specific pod | Command:
```bash
kubectl port-forward pod/proxy-server-pod 8080:5000
```
What it does:
Forward one or more local ports to a pod.
Use resource type/name such as deployment/mydeployment to select a pod. Resource type defaults to 'pod' if omitted.
If there are multiple pods matching the criteria, a pod will be selected a... |
Wait for a pod to be deleted | Command:
```bash
kubectl delete pod/database-pod
kubectl wait --for=delete pod/busybox1 --timeout=60s
```
What it does:
Experimental: Wait for a specific condition on one or many resources.
The command takes multiple resources and waits until the specified condition is seen in the Status field of every given resource.... |
Add the annotation 'last-deployment=2023-03-15' to the 'analytics' pod | Command:
```bash
kubectl annotate pods analytics last-deployment=2023-03-15
```
What it does:
Update the annotations on one or more resources.
All Kubernetes objects support the ability to store additional data with the object as annotations. Annotations are key/value pairs that can be larger than labels and include a... |
Retrieve the output from running the 'ruby --version' command in the 'astro-container' from the 'log-aggregator-pod'. | Command:
```bash
kubectl exec log-aggregator-pod -c astro-container -- ruby --version
```
What it does:
Execute a command in a container.
Syntax:
`kubectl exec (POD | TYPE/NAME) [-c CONTAINER] [flags] -- COMMAND [args...]`
Helpful flags:
"flag": "--container", "short": "-c", "default": "", "usage": "Container name. ... |
Forward local and selected IP's port 9090 to pod's port 8888 | Command:
```bash
kubectl port-forward --address localhost,10.19.21.23 pod/e-commerce-pod 9090:8888
```
What it does:
Forward one or more local ports to a pod.
Use resource type/name such as deployment/mydeployment to select a pod. Resource type defaults to 'pod' if omitted.
If there are multiple pods matching the crit... |
Connect to a running pod and attach to a specific container to interact with it in real-time. | Command:
```bash
kubectl attach payment-gateway-pod -c nebula-navigator -i -t
```
What it does:
Attach to a process that is already running inside an existing container.
Syntax:
`kubectl attach (POD | TYPE/NAME) -c CONTAINER`
Helpful flags:
"flag": "--container", "short": "-c", "default": "", "usage": "Container nam... |
Add a taint with key 'dedicated' on nodes having label release=beta | Command:
```bash
kubectl taint node -l release=beta dedicated=gpu-node-12:PreferNoSchedule
```
What it does:
Update the taints on one or more nodes.
Syntax:
`kubectl taint NODE NAME KEY_1=VAL_1:TAINT_EFFECT_1 ... KEY_N=VAL_N:TAINT_EFFECT_N`
Helpful flags:
"flag": "--output", "short": "-o", "default": "", "usage": "... |
Scale the replica set 'payment-service-rs' to 7 replicas | Command:
```bash
kubectl scale --replicas=7 rs/payment-service-rs
```
What it does:
Set a new size for a deployment, replica set, replication controller, or stateful set.
Scale also allows users to specify one or more preconditions for the scale action.
If --current-replicas or --resource-version is specified, it is v... |
import specific keys from a config map to a deployment | Command:
```bash
kubectl set env --keys=EXTERNAL_API_URL --from=configmap/ui-config deployment/monitoring-stack-deployment
```
What it does:
Update environment variables on a pod template.
List environment variable definitions in one or more pods, pod templates. Add, update, or remove container environment variable de... |
Attach to the 'warp-drive' container and get the output from the 'email-service-pod' pod. | Command:
```bash
kubectl attach email-service-pod -c warp-drive
```
What it does:
Attach to a process that is already running inside an existing container.
Syntax:
`kubectl attach (POD | TYPE/NAME) -c CONTAINER`
Helpful flags:
"flag": "--container", "short": "-c", "default": "", "usage": "Container name. If omitted,... |
Get the output from running the 'redis-cli' command in the 'cyber-sleuth' container from the 'api-service-pod' pod. | Command:
```bash
kubectl exec api-service-pod -c cyber-sleuth -- redis-cli
```
What it does:
Execute a command in a container.
Syntax:
`kubectl exec (POD | TYPE/NAME) [-c CONTAINER] [flags] -- COMMAND [args...]`
Helpful flags:
"flag": "--container", "short": "-c", "default": "", "usage": "Container name. If omitted,... |
Set the custom TLS server name to 'star-cluster' for the 'web-cluster' cluster entry | Command:
```bash
kubectl config set-cluster web-cluster --tls-server-name=star-cluster
```
What it does:
Set a cluster entry in kubeconfig.
Specifying a name that already exists will merge new fields on top of existing values for those fields.
Syntax:
`kubectl config set-cluster NAME [--server=server] [--certificate-... |
Create a job called 'report-generation-job' using the 'confluentinc/cp-kafka' image, and run the command 'kafka-topics --list' within the job. | Command:
```bash
kubectl create job report-generation-job --image=confluentinc/cp-kafka -- kafka-topics --list
```
What it does:
Create a job with the specified name.
Syntax:
`kubectl create job NAME --image=image [--from=cronjob/name] -- [COMMAND] [args...]`
Helpful flags:
"flag": "--output", "short": "-o", "defaul... |
Create a copy of the e-commerce-pod into a new debugging pod named my-custom-dbg, with the warp-drive container, and launch an interactive shell. | Command:
```bash
kubectl debug e-commerce-pod -it --copy-to=my-custom-dbg --container=warp-drive -- sh
```
What it does:
Debug cluster resources using interactive debugging containers.
'debug' provides automation for common debugging tasks for cluster objects identified by resource and name. Pods will be used by defau... |
Copy the `~/.config/kube` local file to `/tmp/bar_dir` inside the `argocd/cache-pod-5` pod in the current namespace. | Command:
```bash
kubectl cp ~/.config/kube argocd/cache-pod-5:/tmp/bar_dir
```
What it does:
Copy files and directories to and from containers.
Syntax:
`kubectl cp <file-spec-src> <file-spec-dest>`
Helpful flags:
"flag": "--container", "short": "-c", "default": "", "usage": "Container name. If omitted, use the kubec... |
Start a redis pod named nginx, but override the spec with a partial set of values parsed from JSON | Command:
```bash
kubectl run nginx --image=redis --overrides='{ "apiVersion": "beta-1.0", "spec": { ... } }'
```
What it does:
Create and run a particular image in a pod.
Syntax:
`kubectl run NAME --image=image [--env="key=value"] [--port=port] [--dry-run=server|client] [--overrides=inline-json] [--command] -- [COMMA... |
Update the annotation of pod 'api' with the value 'daily backups' for the annotation 'backup-strategy' | Command:
```bash
kubectl annotate pods api backup-strategy='daily backups'
```
What it does:
Update the annotations on one or more resources.
All Kubernetes objects support the ability to store additional data with the object as annotations. Annotations are key/value pairs that can be larger than labels and include ar... |
Forward local port 8888 to port 8081 in the pod "api-service-pod" | Command:
```bash
kubectl port-forward pod/api-service-pod 8888:8081
```
What it does:
Forward one or more local ports to a pod.
Use resource type/name such as deployment/mydeployment to select a pod. Resource type defaults to 'pod' if omitted.
If there are multiple pods matching the criteria, a pod will be selected au... |
Update the image of all containers in the daemonset "namespace-2" to "mongo:5.0.2". | Command:
```bash
kubectl set image daemonset namespace-2 *=mongo:5.0.2
```
What it does:
Update existing container image(s) of resources.
Possible resources include (case insensitive):
pod (po), replicationcontroller (rc), deployment (deploy), daemonset (ds), statefulset (sts), cronjob (cj), replicaset (rs)
Syntax:
`... |
Forward local port 5000 to port 8080 in the pod "web-app-pod" | Command:
```bash
kubectl port-forward pod/web-app-pod 5000:8080
```
What it does:
Forward one or more local ports to a pod.
Use resource type/name such as deployment/mydeployment to select a pod. Resource type defaults to 'pod' if omitted.
If there are multiple pods matching the criteria, a pod will be selected automa... |
Create a job called "cleanup" using the nginx image and run the command "nginx" inside the job. | Command:
```bash
kubectl create job cleanup --image=nginx -- nginx
```
What it does:
Create a job with the specified name.
Syntax:
`kubectl create job NAME --image=image [--from=cronjob/name] -- [COMMAND] [args...]`
Helpful flags:
"flag": "--output", "short": "-o", "default": "", "usage": "Output format. One of: jso... |
Create a deployment for monitoring using the postgres image | Command:
```bash
kubectl create deployment monitoring --image=postgres -- postgres
```
What it does:
Create a deployment with the specified name.
Syntax:
`kubectl create deployment NAME --image=image -- [COMMAND] [args...]`
Helpful flags:
"flag": "--output", "short": "-o", "default": "", "usage": "Output format. One... |
Update the annotation of pod 'email' with the value 'Web server for marketing site', overwriting any existing value | Command:
```bash
kubectl annotate --overwrite pods email description='Web server for marketing site'
```
What it does:
Update the annotations on one or more resources.
All Kubernetes objects support the ability to store additional data with the object as annotations. Annotations are key/value pairs that can be larger ... |
Import environment variables from the 'ui-config' config map with the 'MYSQL_' prefix and apply them to the 'database-deployment' deployment. | Command:
```bash
kubectl set env --from=configmap/ui-config --prefix=MYSQL_ deployment/database-deployment
```
What it does:
Update environment variables on a pod template.
List environment variable definitions in one or more pods, pod templates. Add, update, or remove container environment variable definitions in one... |
Check if the current user has permission to list the "image-processing-job" job in the "development" namespace. | Command:
```bash
kubectl auth can-i list jobs.batch/image-processing-job -n development
```
What it does:
Check whether an action is allowed.
VERB is a logical Kubernetes API verb like 'get', 'list', 'watch', 'delete', etc. TYPE is a Kubernetes resource. Shortcuts and groups will be resolved. NONRESOURCEURL is a parti... |
Copy the local file "/tmp/foo_dir" to the remote pod "auth-service-pod-11" in the container "database-container" to the location "/tmp/bar_dir" | Command:
```bash
kubectl cp /tmp/foo_dir auth-service-pod-11:/tmp/bar_dir -c database-container
```
What it does:
Copy files and directories to and from containers.
Syntax:
`kubectl cp <file-spec-src> <file-spec-dest>`
Helpful flags:
"flag": "--container", "short": "-c", "default": "", "usage": "Container name. If o... |
Enable the Google Compute Platform auth provider for the "cloud-user" entry | Command:
```bash
kubectl config set-credentials cloud-user --auth-provider=gcp
```
What it does:
Set a user entry in kubeconfig.
Specifying a name that already exists will merge new fields on top of existing values.
Client-certificate flags:
--client-certificate=certfile --client-key=keyfile
Bearer token flags:
--... |
Embed the certificate authority data for the "moon-cluster" cluster entry by executing the command: | Command:
```bash
kubectl config set-cluster moon-cluster --embed-certs --certificate-authority=~/.kube/prod-cluster/kubernetes.ca.crt
```
What it does:
Set a cluster entry in kubeconfig.
Specifying a name that already exists will merge new fields on top of existing values for those fields.
Syntax:
`kubectl config set... |
Create a new NodePort service named proxy-server-nodeport, forwarding traffic from local port 8083 to port 5432 on the target | Command:
```bash
kubectl create service nodeport proxy-server-nodeport --tcp=8083:5432
```
What it does:
Create a NodePort service with the specified name.
Syntax:
`kubectl create service nodeport NAME [--tcp=port:targetPort] [--dry-run=server|client|none]`
Helpful flags:
"flag": "--output", "short": "-o", "default"... |
Set environment variables from a config map | Command:
```bash
kubectl set env --keys=redis_host --from=configmap/namespace-config deployment/gateway-deployment
```
What it does:
Update environment variables on a pod template.
List environment variable definitions in one or more pods, pod templates. Add, update, or remove container environment variable definition... |
Forward local traffic from port 5432 to port 8088 on the pod selected by the api-server-deployment deployment. | Command:
```bash
kubectl port-forward deployment/api-server-deployment 5432 8088
```
What it does:
Forward one or more local ports to a pod.
Use resource type/name such as deployment/mydeployment to select a pod. Resource type defaults to 'pod' if omitted.
If there are multiple pods matching the criteria, a pod will b... |
Set the cluster field in the team-alpha-context context to cluster-gamma. | Command:
```bash
kubectl config set contexts.team-alpha-context.cluster cluster-gamma
```
What it does:
Set an individual value in a kubeconfig file.
PROPERTY_NAME is a dot delimited name where each token represents either an attribute name or a map key. Map keys may not contain dots.
PROPERTY_VALUE is the new value ... |
Import the smtp_server key from the config map named app-settings and apply it to the backend-microservice-deployment deployment. | Command:
```bash
kubectl set env --keys=smtp_server --from=configmap/app-settings deployment/backend-microservice-deployment
```
What it does:
Update environment variables on a pod template.
List environment variable definitions in one or more pods, pod templates. Add, update, or remove container environment variable ... |
Apply a taint on nodes with the label 'stack=tech-stack' using the key 'datacenter' and the value 'db-node-7:PreferNoSchedule' | Command:
```bash
kubectl taint node -l stack=tech-stack datacenter=db-node-7:PreferNoSchedule
```
What it does:
Update the taints on one or more nodes.
Syntax:
`kubectl taint NODE NAME KEY_1=VAL_1:TAINT_EFFECT_1 ... KEY_N=VAL_N:TAINT_EFFECT_N`
Helpful flags:
"flag": "--output", "short": "-o", "default": "", "usage"... |
Import the secret_key from the kube-system-config config map and update the environment variables of the backend-microservice-deployment deployment. | Command:
```bash
kubectl set env --keys=secret_key --from=configmap/kube-system-config deployment/backend-microservice-deployment
```
What it does:
Update environment variables on a pod template.
List environment variable definitions in one or more pods, pod templates. Add, update, or remove container environment vari... |
Auto scale the deployment "vpn" with a minimum of 3 pods and a maximum of 9 pods. | Command:
```bash
kubectl autoscale deployment vpn --min=3 --max=9
```
What it does:
Creates an autoscaler that automatically chooses and sets the number of pods that run in a Kubernetes cluster.
Looks up a deployment, replica set, stateful set, or replication controller by name and creates an autoscaler that uses the ... |
List deployments in YAML output format, for the "beta-1.0" version of the "internal-apps" API group. | Command:
```bash
kubectl get deployments.beta-1.0.internal-apps -o yaml
```
What it does:
Display one or many resources.
Prints a table of the most important information about the specified resources. You can filter the list using a label selector and the --selector flag. If the desired resource type is namespaced you... |
Delete the 'star-cluster' cluster from the kubectl configuration. | Command:
```bash
kubectl config delete-cluster star-cluster
```
What it does:
Delete the specified cluster from the kubeconfig.
Syntax:
`kubectl config delete-cluster NAME` |
Check the status of a daemonset rollout | Command:
```bash
kubectl rollout status daemonset/my-deployment
```
What it does:
Manage the rollout of a resource.
Valid resource types include:
Syntax:
`kubectl rollout SUBCOMMAND` |
replace a pod using yaml configuration from file | Command:
```bash
kubectl replace -f ./docker-registry.yaml
```
What it does:
Replace a resource by file name or stdin.
JSON and YAML formats are accepted. If replacing an existing resource, the complete resource spec must be provided. This can be obtained by
$ kubectl get TYPE NAME -o yaml
Syntax:
`kubectl replace -f... |
Create a cluster role named "view" with the following resource permissions: | Command:
```bash
kubectl create clusterrole view --verb=connect --resource=configmaps --resource-name=audit-logger --resource-name=load-balancer
```
What it does:
Create a cluster role.
Syntax:
`kubectl create clusterrole NAME --verb=verb --resource=resource.group [--resource-name=resourcename] [--dry-run=server|clie... |
Update the annotation of pod 'cdn' with the value 'Prometheus' | Command:
```bash
kubectl annotate --overwrite pods cdn monitoring-tool='Prometheus'
```
What it does:
Update the annotations on one or more resources.
All Kubernetes objects support the ability to store additional data with the object as annotations. Annotations are key/value pairs that can be larger than labels and i... |
Copy the file /tmp/foo from the pod named 'worker-pod-4' in the 'prometheus' namespace to the local directory /etc/kubernetes. | Command:
```bash
kubectl cp prometheus/worker-pod-4:/tmp/foo /etc/kubernetes
```
What it does:
Copy files and directories to and from containers.
Syntax:
`kubectl cp <file-spec-src> <file-spec-dest>`
Helpful flags:
"flag": "--container", "short": "-c", "default": "", "usage": "Container name. If omitted, use the kub... |
Listen on port 8088 on all addresses and forward the traffic to port 8888 in the analytics-pod. | Command:
```bash
kubectl port-forward --address 0.0.0.0 pod/analytics-pod 8088:8888
```
What it does:
Forward one or more local ports to a pod.
Use resource type/name such as deployment/mydeployment to select a pod. Resource type defaults to 'pod' if omitted.
If there are multiple pods matching the criteria, a pod wil... |
Begin streaming the logs of the "nano-bot" container in the "payment-gateway-pod" pod | Command:
```bash
kubectl logs -f -c nano-bot payment-gateway-pod
```
What it does:
Print the logs for a container in a pod or specified resource. If the pod has only one container, the container name is optional.
Syntax:
`kubectl logs [-f] [-p] (POD | TYPE/NAME) [-c CONTAINER]`
Helpful flags:
"flag": "--container", ... |
Update the annotation 'criticality' of pod 'database' with the value 'high' | Command:
```bash
kubectl annotate pods database criticality=high
```
What it does:
Update the annotations on one or more resources.
All Kubernetes objects support the ability to store additional data with the object as annotations. Annotations are key/value pairs that can be larger than labels and include arbitrary st... |
Import specific keys from a config map to a deployment | Command:
```bash
kubectl set env --keys=secret_key --from=configmap/global-config deployment/backend-microservice-deployment
```
What it does:
Update environment variables on a pod template.
List environment variable definitions in one or more pods, pod templates. Add, update, or remove container environment variable ... |
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