Kubectl get deployments. Posting it as an answer for everyone's benefit.

Kubectl get deployments You can do this easily using the kubectl scale Explore how to monitor and manage Kubernetes deployments, including troubleshooting deployment issues. Apr 29, 2025 · In Kubernetes, managing deployments effectively means understanding the exact container images running in your environment. Sep 3, 2025 · A Kubernetes Deployment checks on the health of your Pod and restarts the Pod's Container if it terminates. Aug 23, 2016 · How can I use kubectl or the API to retrieve the current image for containers in a pod or deployment? For example, in a deployment created with the below configuration, I want to retrieve the value Nov 21, 2024 · A deployment manages a group of identical pods, and when we want to get logs from a deployment, we actually fetch the logs from its underlying pods. For example, we want to shut down/ delete all the deployments deployed from the branch "demo" we can just use a command with selectors like this: kubectl delete deployments -l 'branch = demo' # Show detailed state of services kubectl describe svc # Show details about all services kubectl get svc -o wide # Edit the definition of a service kubectl edit svc # Expose a deployment as a new service Dec 3, 2020 · Kubernetes provides labels, selectors and annotations to organize the cluster nodes. With kubectl, you can access the deployment history in real-time by using the `kubectl rollout history` command. Leverage Namespaces: Use namespaces to manage resources in Aug 19, 2025 · Connect to the cluster To manage a Kubernetes cluster, use the Kubernetes command-line client, kubectl. Fortunately, kubectl—the Kubernetes command-line tool—offers a quick way to retrieve deployment details, including container image names and tags, all within a specific namespace kubectl get pods| grep hello But it seems an overkill to get ALL the pods when I am interested to know only the pods for a given deployment. You may create, update, and manage resources, such as pods, services, and deployments, in a Kubernetes cluster using kubectl. To do this, use the kubectl get &lt;deployment-name&gt; -o yaml command. Jun 19, 2023 · This page shows how to use kubectl to list all of the Container images for Pods running in a cluster. See how to create, update, rollback, scale, and monitor Deployments with kubectl commands and examples. This should be the default option in the kuberentes deployment, but, by default it's set to false. Kubectl Command tricks. Kubectl has a config file called kubeconfig, this file has the information about the server and authentication information to access the API Server. This guide walks you through practical steps for troubleshooting deployment failures efficiently. Inspecting deployments is critical for tracking their progress and ensuring they’re functioning as expected. 查看 Deployment 的详细信息： ``` kubectl de Rollback Kubernetes deployments | Step-by-step guide on how to roll back Kubernetes deployments to a previous version using kubectl. Nov 6, 2025 · Field selectors let you select Kubernetes objects based on the value of one or more resource fields. Here are some examples of field selector queries: metadata. It allows you to deploy applications, inspect and manage cluster resources, and view logs. Feb 27, 2025 · When something goes wrong during application deployment, it becomes all the more crucial to diagnose the issue methodically and get things back on track. It shows how to create a Deployment with an initial Nginx image, verify the Deployment status and image version, update the Nginx image using the kubectl set image command, and verify the updated image version after the rolling update. Here are the steps to check the status of a deployment: 1. This prints out a list of current deployments: You can also export the running configuration of a specific deployment in YAML format. Jan 22, 2025 · 3. The most straightforward way to retrieve the names of Pods in a Kubernetes deployment is to use the kubectl get pods command. Oct 30, 2025 · Learn how to use Deployments to manage a set of Pods to run an application workload. Update the Deployment Image To update the image used by the deployment: kubectl set image deployment/<deployment_name> <container_name>=<new_image Oct 9, 2025 · initial_sleep=$ (kubectl get deployments --selector=app=$1 -o jsonpath=' {$. Jul 23, 2025 · Kubectl (CLI): Kubectl is a command line configuration tool (CLI) for kubernetes used to interact with a master node of Kubernetes. I want something like that: kubectl get deployment -A -o jsonpath=' {range . io/master: }, that the pod didn''t tolerate. List all Deployments To get a list of all deployments in your Kubernetes cluster, you can use the following command: kubectl Mar 1, 2025 · Kubectl Command Cheatsheet Kubectl is the command-line interface for interacting with Kubernetes clusters. To see them "interactive", you can use watch command with kubectl like this; # watch kubectl get pods -n <your-namespace> 2) Currently, there is no way to limit the pod restart counts. Monitor Health: Use liveness and readiness probes to ensure application health. Jun 11, 2019 · 7 As you stated the deployment was created but no pods were, what we need is the output of the replicaset to figure out why it wasn't able to create the pods, can you do a kubectl get replicaset and then find the one corresponding to you deployment and then kubectl describe replicaset <replicaset_name> – lindluni Jun 11, 2019 at 21:18 Nov 29, 2018 · kubectl get deployments -n deployment-demo Even though we have added minimal information, after deployment, Kubernetes will add more information to the deployment such as resourceVersion, uid, status etc. Jan 8, 2025 · This cheat sheet covers a broad range of kubectl commands and includes filtering and advanced usage examples with grep and awk to manipulate and extract specific data efficiently. When dealing with deployments: kubectl describe deployments [deployment-name] | Jan 28, 2025 · In this tutorial, you will learn step by step how to check the health of a Kubernetes cluster. namespace!=default status. ownerReferences[]. Before you begin You need to have a Kubernetes cluster, and the kubectl command-line tool must be configured to communicate with your cluster. It is not an Feb 7, 2023 · The kubectl command-line tool is the main interface for interacting with Kubernetes, a robust platform for managing containerized applications. Create, update, inspect pods, namespaces, nodes, and troubleshoot with this practical tutorial. See the syntax, options, examples and output formats for kubectl get. Mar 3, 2025 · Kubectl Command Cheat Sheet Syntax Basic syntax: kubectl [command] [TYPE] [NAME] [flags] Oct 20, 2020 · Looking for query/filter to list only certain deployments: if AVAILABLE column matches READY Example: NAMESPACE NAME READY UP-TO-DATE AVAILABLE app1 app1 1/1 1 1 app2 app2 2/2 Feb 3, 2022 · Imagine the situation, when you are starting a Deployment of some application on a Kubernetes cluster by running, for example, the kubectl create deployment command. namespace NAME CONTROLLER NAMESPACE nginx-858dbf7665-8t9vv ReplicaSet default coredns-74ff55c5b-xpgnq ReplicaSet kube-system etcd Jul 29, 2021 · message: '0/1 nodes are available: 1 node(s) had taint {node-role. Then you execute the kubectl get pods command to list the Pods, but it returns “ No resource found “, that means the Deployment hasn’t created any Pods. First, there’s no official command to wait for a deployment to finish that’s separate from the install and upgrade procedure similar to kubectl rollout status. Oct 12, 2020 · 34 I deployed a helm chart using helm install and after this I want to see if the pods/services/cms related to just this deployment have come up or failed. phase=Pending This kubectl command selects all Pods for which the value of the status. Jul 2, 2018 · See the events at the bottom of the following command: $ kubectl describe po -l=app=tl-api The official Kubernetes docs describe how to resolve this issue, see Pull an Image from a Private Registry, essentially: Create a secret kubectl create secret docker-registry Use it in your deployment, under the spec. bashrc Dec 17, 2024 · Whether you’re managing namespaces, examining pods, or verifying deployments and services, kubectl get offers the versatility and detail necessary to maintain seamless Kubernetes operations. Learn how to use kubectl delete deployment command for deleting Kubernetes deployments. Try to get our deployment with kubectl get deployments and you will get the below output: Apr 26, 2023 · I can't find any examples of how to list all Deployments in all namespaces but only return deployments that are on a specific node pool (the whole pool not just a specific node). If I know the the type I can explicitly ask for that You can confirm if the deployment is created using the kubectl get deployments command. g. These are the built-in resource types. Deployments are the process of providing declarative updates to Pods. Jun 5, 2024 · In this guide, we will talk about kubectl delete deployment right from different ways of creating a deployment to 6 different ways to delete deployments in Kubernetes. yaml if ! kubectl rollout status deployment myapp; then kubectl rollout undo deployment myapp kubectl rollout status deployment myapp exit $ kubectl get deployment -n kube-system NAME READY UP-TO-DATE AVAILABLE AGE coredns 1/1 1 1 163d kubernetes-dashboard 1/1 1 1 164d monitoring-grafana 0/1 0 0 12m monitoring-influxdb 0/1 0 0 11m Now, I've been waiting 30 minutes and there is still no pod available, how do I check the deployment log from command line? May 20, 2021 · The kubectl get pod command can be used to get only the information about the pods related to the deployment while defining a selector. kubectl get deployment – List one or more Deployments. container Oct 27, 2024 · Verify the Deployment to ensure that the correct number of replicas is running: kubectl get deployments Output of the command 3. Dec 27, 2023 · Learn how to use kubectl get deployments to view, create, update, and troubleshoot Deployments in Kubernetes. Use the kubectl create command to create a Deployment that manages a Pod. Deploy, update, scale and expose an app on K8s on the example of Nginx Docker image. The challenge I am having is that, I want to be able to loop thr Nov 16, 2025 · 如果你对某个 Deployment 执行了手动扩缩操作（例如，通过 kubectl scale deployment deployment --replicas=X）， 之后基于清单对 Deployment 执行了更新操作（例如通过运行 kubectl apply -f deployment. Get Images of All deployments group by image name unique. Apr 27, 2025 · Learn how Kubernetes uses Deployments and ReplicaSets to run, scale, and manage your applications with ease and reliability. This guide will walk you through creating, updating, and troubleshooting these resources with real-world examples. Jan 17, 2024 · 8. kubectl get deployments,replicasets,pods The result is separated by resource type and reflects all of the resources created by the deployment: Jul 1, 2025 · This page contains a list of commonly used kubectl commands and flags. Kubectl autocomplete BASH source <(kubectl completion bash) # set up autocomplete in bash into the current shell, bash-completion package should be installed first. It will display all the details regarding the specific pod. How to Use This Guide: This guide is in cheat sheet format with self-contained command-line snippets. You can get a list of resource types with Jul 23, 2025 · The "kubectl get rs" command allows us to check the list of deployments, To update them, look up the revision history of prior deployments, and roll back to a specific revision if necessary. Whether you're new to Kubernetes or an experienced administrator, this guide will A comprehensive and practical reference for common Kubernetes (kubectl) commands, including cluster info, pods, deployments, services, configs, logs, combos, and more. Jan 26, 2022 · In Kubernetes how can I list all deployments versions? Also, is there a tool to compare deployment versions between two clusters (ex: dev &amp; staging)? Main problem: we've multiple identical May 12, 2017 · kubectl get deploy,sts,svc,configmap,secret -n default -o yaml --export > default. ' You can check the availability of your nodes with the following command: kubectl get nodes -o wide Also it's easier to figure if you just use the default output from kubectl describe pod command instead of using yaml output. Can you try this command to get deployment / rollout times of the previous deployments: K rollout history deployment/api-v1 K rollout history deployment/api-v1 --revision=<revision_number>o yaml|grep creationtimestamp You can use the revision flag to get more information: kubectl rollout Dec 5, 2023 · 简介： kubectl 是 Kubernetes 的命令行工具，用于管理和操作 Kubernetes 集群。以下是一些常用的 kubectl 命令用于操作 Deployment：1. kubectl apply -f myapp. Kubectl is the command line configuration tool for Kubernetes. cached data has been updated and we want to refresh it or there is corrupt cache data we want to Learn how to use the kubectl describe command to get detailed information about pods, deployments, services, nodes, and more. What is a Kubernetes deployment? A Kubernetes deployment is a vital component for managing and automating the rollout process for containerized Jan 15, 2025 · Step-by-Step Guide To get the YAML for a deployed Kubernetes object, you can use the kubectl get command with the -o yaml flag. When you use Kubernetes, you'll inevitably write a deployment at some point along the line. These are mostly used with replication controllers and replica sets in a deployment Apr 7, 2020 · 1st Problem: I applied those changes, but now when i run kubectl get all i only get the first line "service/kubernetes" and i no longer get anything regarding app-service-5x7z any chance you could give me a hint as to how to accomplish that [getting back the deployment]? Solution: Jan 31, 2024 · Step-by-Step Guide 1. By systematically checking pod status, logs, events, and resource usage, you can efficiently diagnose and fix issues. Sep 30, 2020 · I have written a bash script to get all deployments on a kubernetes cluster. See examples for namespaces and multiple deployments. Oct 19, 2025 · Managing Workloads You've deployed your application and exposed it via a Service. kubernetes. Pods, Deployments, Ingress) grouped in what they call "api groups" and in the notation deployment. Sep 4, 2025 · Synopsis Show details of a specific resource or group of resources. For example, to get the YAML for a deployment named "my-deployment", you would run: Jun 1, 2022 · For kubectl describe I can abbreviate a few classes of resources, for example: po/xxx -&gt; pods/xxx rs/xxx -&gt; replicasets/xxx Where can I find the full list? I'm trying to find the abbreviatio Apr 8, 2025 · The kubectl get deployments command is a vital tool in Kubernetes that provides users with details about deployments, including their current status and configurations. 3) You can see what's going on with your deployments and pods while they are created with kubectl describe command. It provides a command-line interface for performing common operations like creating and scaling Deployments, switching contexts, and accessing a shell in a running container. Organizing resource configurations Many applications require multiple resources to be created, such as a Deployment along with a Service. kubectl describe deployment <deployment_name> – Display the detailed state of one or more Deployments. yaml Scaling a Deployment Scaling your application is a key feature of Kubernetes. 34. 2. Sep 2, 2024 · $ kubectl get deployment nginx -o yaml This output provides a useful reference for understanding the resource’s configuration and serves as a foundation for modifications. Jul 28, 2021 · Hi, I am following a lab on Kubernetes and Mongodb but all the Pods are always in 0/1 state what does it mean? how do i make them READY 1/1 [root@master-node ~]# kubectl get pod NAME READY STATUS RESTARTS AGE mongo-express-78fcf796b8-wzgvx 0/1 Pending 0 3m41s mongodb-deployment-8f6675bc5-qxj4g 0/1 Pending 0 160m nginx-deployment-64bd7b69c-wp79g 0/1 Pending 0 4h44m 运行 `kubectl get rs` 查看 Deployment 如何通过创建新的 ReplicaSet 并将其扩容到 3 个副本，以及将旧的 ReplicaSet 缩减到 0 个副本，来更新 Pod。 Jul 23, 2025 · Some of them include: Bulk Operations: Performing bulk operations on the K8s resources like pods or deployments becomes very easy with labels and selectors. This command will list all the Pods in the current namespace, along with their names, status, and other relevant information. Use cases of deployment is documented here. Learn how to use kubectl get deployments with examples. Jan 31, 2024 · An operational Kubernetes cluster The kubectl command-line tool installed and configured Using kubectl to List Pods The primary command-line tool for interacting with Kubernetes is kubectl, and it’s your go-to for listing pods. May 29, 2021 · Learn how to use kubectl command to list, describe and get the YAML of deployments in Kubernetes. It allows answering questions like: Which pods belong to my deployment? What is the status of my roll out? Is my upstream service reachable? Equipped with this information, developers can monitor pipelines Jun 25, 2025 · kubectl basics The common format of a kubectl command is: kubectl action resource. readinessProbe. If you want to rollback to a specific revision: kubectl rollout undo deployment/nginx-deployment --to-revision=2 Step 5: Monitoring Rollback Success After rolling back, monitor your application to ensure it’s functioning Apr 20, 2016 · To use one selector with kubectl command,apply the follwing command: kubectl get po --selector name=value where name is the selector name and value is the selector value. Check the track of deployment and even we can use this for automation. $ kubectl describe deployment nginx-deployment -n nginx-namespace Aug 11, 2021 · Kubernetes API has its different resources (e. , and i have to use "pods" instead of "deployments" to make things work (which works fine). Jan 16, 2025 · This code demonstrates updating a Kubernetes Deployment named my-deployment with a new Nginx image version. Perfect for developers and DevOps. Dec 7, 2017 · I would like to see all resources in a namespace. A Deployment provides declarative updates for Pods and ReplicaSets. This command allows you to view the revisions of a deployment, including information such as the revision number, the status of the rollout, and the date and time of the revision. Note:These instructions are for Kubernetes v1. Dec 27, 2023 · Whether you need environment cloning, configuration backups or just drift detection, kubectl get -o yaml translates objects on-demand into reusable, editable YAML documents. Jul 15, 2025 · This guide covers the top 20 kubectl commands every kuberntes beginner must know to manage clusters, pods, deployments, and more. Example: $ kubectl get pods --all-namespaces -o custom-columns=NAME:. Explore the commands and best practices. Apr 23, 2021 · The following commands will create two deployments blue and green, respectively using the nginx and httpd container images: kubectl create deployment blue --image=nginx kubectl create deployment green --image=httpd Then, we create a service called web, which initially won’t send traffic anywhere: kubectl create service clusterip web --tcp=80 Mar 4, 2025 · Kubernetes has become the de facto standard for container orchestration, and kubectl is the primary Tagged with kubernetes, devops, beginners, tutorial. name=my-service metadata. how to find all deployments in cluster with specific tag image. Deployments are the recommended way to manage the creation and scaling of Pods. Sep 28, 2024 · You can verify this using: kubectl get replicasets Finally, let’s create a service to expose the deployment: kubectl create -f services/auth. In this article, we'll look at the 12 kubectl commands that any Kubernetes administrator needs to be familiar with. Set Resource Limits: Define resource requests and limits for containers to optimize cluster resource utilization. Configure kubectl to connect to your Kubernetes cluster using the az aks get-credentials command. labels. template. Check the Current Deployment First, ensure you have a deployment currently running: kubectl get deployments This will list the available Deployments in the current namespace. Nov 29, 2023 · Kubernetes is a container orchestration tool that helps with the deployment and management of containers. imagePullSecrets key Nov 30, 2024 · Efficiently managing workloads in Kubernetes involves understanding two core concepts: ReplicaSets and Deployments. These kubectl get deployments Best Practices for Deployments Use Versioned Images: Always use specific image versions to avoid unexpected updates. Learn how to create deployments and services in Kubernetes here Jun 3, 2019 · I am trying to autoscale my StatefulSet on Kubernetes. Basic Command For starters, here’s how to list pods in the default namespace: $ kubectl get pods Output might look Explore how to troubleshoot and recover from failed Kubernetes deployments, perform rollbacks, and manage application updates with different deployment strategies. Print a detailed description of the selected resources, including related resources such as events or controllers. Deployments internally creates ReplicaSets within which pods are created. importance == "normal")' I would argue that you should rewrite your manifests so that the Deployment shares labels with the Pod so that you can just run: kubectl get deploy Now, with those commands (ex kubectl get deploymets) i always get the response No resources found in default namespace. phase field is Running: kubectl get pods --field-selector status. 4 in the Deployment YAML: spec Nov 30, 2017 · kubectl scale --replicas=0 -f deployment. How can I get the aggregated stderr/stdout of a set of pods, preferably those created by a certain replication contro Nov 19, 2021 · I am glad that my comment helped to solve the issue. In this instance, we will be using the “app:webserver” label as the selector. This cheatsheet provides a comprehensive reference of commonly used kubectl commands, organized by operation type. initialDelaySeconds}') initial_sleep=$ {initial_sleep:-10} Jul 2, 2019 · In this article, we will learn how to use Kubernetes Deployments, focusing specifically on pausing, resuming, and scaling Deployments. Mar 22, 2021 · You can use the --custom-columns to find out which pods are controlled, and which kind of controller is the owner. The Kubernetes command-line tool, kubectl, is the primary way to interact with our Kubernetes cluster, including fetching logs. Sep 4, 2025 · Learn how to use kubectl get command to list one or many resources, such as deployments, pods, services, etc. Mar 10, 2023 · Inspecting Deployments: Deployments are used to manage the state of your application over time, allowing you to roll out updates and perform scaling operations. You can use --help after the subcommand to get additional info about possible parameters (for example: kubectl get nodes --help). Essential kubectl cheat sheet with top commands & flags to manage Kubernetes clusters—quick reference for pods, deployments, services, namespaces, and more. Sep 16, 2019 · 1) You can use # kubectl get pods -n <your namespace> command to see your pods. yaml），那么通过应用清单而完成的更新会覆盖之前手动扩缩所作的变更。 Sep 5, 2023 · Learn how to use kubectl scale command through basic usage, use cases, and examples of kubectl scale deployment in this guide. To view a list of running deployments in your cluster, use the following command: kubectl get deployments This will display Mar 6, 2025 · Command: kubectl get configmap # 24. Sep 18, 2019 · ###Introduction Kubectl is a command-line tool designed to manage Kubernetes objects and clusters. The Pod runs a Container based on the provided Docker image. Posting it as an answer for everyone's benefit. Create get describe delete Type: Here you have to mention the specific resource provided by Kubernetes that you want to create like kubernetes pods, Kubernetes namespaces, Kubernetes secrets, Kubernetes deployment, replica sets, and many Jun 20, 2025 · Learn essential kubectl commands to manage Kubernetes clusters. items[]|select(. Mar 24, 2023 · Listing all the pods belonging to a deployment can be done by querying its selectors, but using the deployment’s synthesized replicaset identifier allows for easier automation. 查看 Deployment 列表： ``` kubectl get deployments ```3. To check the version, use the kubectl version command. For getting Feb 25, 2021 · The above kubectl command will generate the YAML and will save into deployment. In this article, we've created an ultimate Kubectl cheat sheet with 50 essential commands and examples, covering Jun 23, 2021 · Create a Deployment in K8s using the `kubectl` command (without YAML). I have a command to scale all the deployments to zero. Use this cheat sheet to improve productivity and streamline tasks. Use kubectl to check the status of a Deployment, monitor rollout progress, and view its history. Suppose you want to scale the hello deployment to five instances (Pods). To ensure that the minimum resource request was set for the Nginx pod, we will use the kubectl describe pod command (where nginx-test-deployment-786d6fcb57-7kddf is the name of the running pod): May 7, 2020 · Now, with those commands (ex kubectl get deploymets) i always get the response No resources found in default namespace. Deployment is a controller providing higher level abstraction on top of pods and ReplicaSets. yaml Output of the deployment. $ kubectl describe deployment nginx-deployment -n nginx-namespace May 31, 2021 · The fact that Helm supports checking deployments and automated rollbacks out of the box is awesome, but it has a couple caveats compared to traditional kubectl based deployments. kubectl is already installed if you use Azure Cloud Shell. In Nice format. Doing kubectl get all will, despite of the name, not list things like services and ingresses. kubectl get deploy: kubectl get deploy -n petclinic-dev: # This command provides basic deployment information in tabular format. Nov 10, 2023 · A quick and practical guide to getting the YAML of a deployed Kubernetes object. yaml Unfortunately kubernetes still doesn't support a true get all command, so you need to list manually the type of resources you want to export. Kubectl get deployment To get the details about the deployments of the container of the related kubernetes cluster, there is a command similar to the command as: To get the list of all the deployments available on default namespace Feb 16, 2017 · How can I to source the Kubernetes deployment/job name that spawned the current pod from within the pod? Each Kubernetes deployment gets this annotation: $ kubectl describe deployment/myapp Name: myapp Namespace: default CreationTimestamp: Sat, 24 Mar 2018 23:27:42 May 31, 2021 · The fact that Helm supports checking deployments and automated rollbacks out of the box is awesome, but it has a couple caveats compared to traditional kubectl based deployments. To get a list of Deployments that deploy Pods with the label importance: normal, you could do this: kubectl get deploy -o json | jq '. Dec 12, 2023 · Get the name of our deployment with kubectl get deployments and run kubectl delete deployment my-deployment. . Aug 27, 2025 · Wherever applicable, kubectl get all returns a list of pods, services, daemon sets, deployments, replica sets, jobs, cronjobs, and stateful sets. Our kubectl cheatsheet provides an overview of the most useful commands for K8s objects. Oct 3, 2024 · Check out 50 essential Kubectl commands across 10 categories for quick reference and to simplify your work Whether you're a seasoned DevOps engineer or just getting started with Kubernetes, having a quick reference guide can significantly boost your productivity and confidence. This article explains how to use the kubectl get command to inspect Kubernetes cluster resources effectively. This performs the specified action (like create, describe or delete) on the specified resource (like node or deployment. 创建一个 Deployment： ``` kubectl create deployment <deployment-name> --image=<image-name> ```2. List all deployments kubectl get deployments Describe a specific deployment kubectl describe deployment Check the status of deployment rollout Feb 4, 2022 · $ kubectl get pod nginx-http-6cf5c9bf86-p5q2x Here, the pod name is “nginx-http-6cf5c9bf86-p5q2x”. items [0]. Feb 6, 2024 · The kubectl get deployments command is used to retrieve information about deployments in Kubernetes clusters. apps - "deployment" is the resource name and the "apps" is the api group name. Checking the Status of a Kubernetes Deployment To check the status of a Kubernetes deployment, you can use the kubectl command-line tool, which is the primary interface for interacting with the Kubernetes API. 1 How to generate the YAML for all the deployed resources inside the kubernetes cluster Oct 8, 2020 · We have an AKS cluster and sometimes we end up with an issue where a deployment needs a restart (e. Template out starter manifests or snapshot production deployments – the use cases are endless! This guide just scratched the surface of YAML export capabilities. intact, so that I can scale up later as required. Sep 20, 2021 · kubectl get deployments,statefulsets,daemonsets,cronjobs,jobs,pods -n namespace-name -o yaml | grep secret_name kubectl get deployments,statefulsets,daemonsets,cronjobs,jobs,pods -n namespace-name -o yaml | grep -i -e "^ name:" -e "^ kind" -e secret_name Annotation can be removed by grep -v annotation -v last-applied or probably even easier grep -v "\"kind". Oct 30, 2024 · Here’s your go-to kubectl commands cheat sheet! Jump into Kubernetes management with these handy commands and make your life easier. Jun 13, 2022 · I know how to list of pods for certain namespace as follows: kubectl get pods -n mynamespace There is one POD on the list which i am interested. In order to do so, I need to get the current number of pods. For example: $ kubectl describe TYPE NAME_PREFIX will first check for an exact match on TYPE and NAME Apr 18, 2023 · Learn how to use the "kubectl delete deployment" command to delete Deployments from both default and specific Namespaces. To install kubectl locally, use the az aks install-cli command. I would like to be able to see what yaml deployment Dec 27, 2023 · Decoding Kubectl Get So what does this ubiquitous command actually do? At its core, kubectl get retrieves information about Kubernetes resources – pods, deployments, services, and more. This information is crucial for security, troubleshooting, and upgrading applications. Learn the key components and advantages of Kubernetes deployments. Ensure application stability with easy rollback strategies Jan 26, 2024 · Kubectl Get Images of All Pods and Deployments in a single command. Master this essential Kubernetes command for managing your applications efficiently. yaml --record=true Whenever you deploy new version of deployment, the replica set preserves the previous configuration of the deployment. items [*]} {. I also tried kc get -o wide deployments hellodeployment, but it does not print the Pod names. Jan 5, 2023 · The easiest solution is probably using jq. Mar 4, 2025 · Take a quick look at kubectl commands that are essential for managing your Kubernetes deployments. yaml is long, so I thought of not mentioning it in the post Please do substitute the deployment-name in the above command as per your need. name,CONTROLLER:. Deployments Deployments manage a set of pods and ensure your application is running in the desired state. May 31, 2021 · Awesome! Now that we have a way to determine when our deployments fail and how to revert the deployment, we can automate the deployment and rollback process with a simple shell script. Get Running Deployments Command: kubectl get deployments Conclusion: Kubernetes pod troubleshooting requires a combination of commands and analysis. Mar 27, 2022 · I have a question. echo "source <(kubectl completion bash)" >> ~/. View Secrets Command: kubectl get secret # 25. You may select a single object by name, all objects of that type, provide a name prefix, or label selector. Update the image to nginx:1. 3. Furthermore, this command is useful for quickly checking the status and health of the deployments, verifying if they are running as expected, and monitoring their availability and readiness. metadata. Is there a way to see this? Using kubectl get pods and greping for the name works but it does not show the services and other resources that got deployed when this helm chart is deployed. Deployments provide declarative updates, scaling, rollouts, and rollbacks for containerized apps. yaml to stop all my running Pods. 23. Oct 12, 2015 · Running kubectl logs shows me the stderr/stdout of one Kubernetes container. Please let me know if there are better ways to bring down all running Pods to Zero keeping configuration, deployments etc. kubectl get deploy kubectl autoscale deployment foo --min=2 --max=10 Auto scale a replication controller "foo", with the number of pods between 1 and 5, target CPU utilization at 80% Jan 31, 2024 · Here’s how to rollback to the previous version of your application: kubectl rollout undo deployment/nginx-deployment This will revert the deployment to the previous state. I use the output of this command to see the status of all pods, and then possibly exec into one of them. containers [0]. phase=Running Note:Field selectors Jan 29, 2025 · The deployment file and the pod have been successfully launched. Explore kubectl essential commands, advanced techniques, and examples. # deployment name and namespace deployment_name=mydeployment deployment_ns=mynamespace # get replica set identifier for deployment dep_rs=$ (kubectl describe Jul 23, 2025 · Syntax $ kubectl [command] [TYPE] [NAME] [flags] Command: This will include the operation mentioned below you want to perform regarding the specific resource. Management of multiple resources can be Get the state of the nginx deployment, along with its history, configuration, and any events associated with the deployment. spec. Aug 29, 2018 · $ kubectl create -f deploy. Mar 15, 2023 · Discover handy kubectl command examples for managing Kubernetes efficiently. kind,NAMESPACE:. Now what? Kubernetes provides a number of tools to help you manage your application deployment, including scaling and updating. Feb 25, 2025 · kubectl describe deployment <deployment_name>: Provides detailed information about a specific deployment, including the number of replicas, current status, and pods associated with it. ezdua vylo mtaj bhk bojz vvztg gwtbu qgvxl wathxk embz kas eymva vjvmo mxpzc fzklplfs