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Live a life like everday is your BIRTHDAY🎂

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[CKA] KodeKloud - Worker Node Failure 안녕하세요, 쯀리입니다.지난번 Application Failure와 ControlPlane Failure에 이어 오늘은 Worker Node Failure 에 관해 다뤄보겠습니다. https://kubernetes.io/docs/tasks/debug/debug-application/ Troubleshooting ApplicationsDebugging common containerized application issues.kubernetes.io https://funlife-julie.tistory.com/80 [CKA] KodeKloud - Application Failure안녕하세요, 쯀리입니다. 10강 Troubleshooting을 들어가게되었습니다! 오늘은 Application Failure.. 공감수 0 댓글수 0 2024. 8. 23.
[CKA] KodeKloud - Control Plane Failure 안녕하세요, 쯀리입니다.지난번 Application Failure에 이어 오늘은 ControlPlane Failure에 관해 다뤄보겠습니다. https://kubernetes.io/docs/tasks/debug/debug-application/ Troubleshooting ApplicationsDebugging common containerized application issues.kubernetes.io Application Failure"Application Failure"에 대한 학습은 애플리케이션이 실패하거나 비정상적으로 동작할 때, 그 원인을 분석하고 이를 방지하거나 복구하는 방법을 배우는 중요한 과정입니다. 이 주제를 학습할 때 다루게 될 주요 개념은 다음과 같습니다:1. Failure T.. 공감수 0 댓글수 0 2024. 8. 23.
[CKA] KodeKloud - Application Failure 안녕하세요, 쯀리입니다. 10강 Troubleshooting을 들어가게되었습니다! 오늘은 Application Failure에 관해 다뤄보겠습니다. https://kubernetes.io/docs/tasks/debug/debug-application/ Troubleshooting ApplicationsDebugging common containerized application issues.kubernetes.io Application Failure"Application Failure"에 대한 학습은 애플리케이션이 실패하거나 비정상적으로 동작할 때, 그 원인을 분석하고 이를 방지하거나 복구하는 방법을 배우는 중요한 과정입니다. 이 주제를 학습할 때 다루게 될 주요 개념은 다음과 같습니다:1. Failur.. 공감수 0 댓글수 0 2024. 8. 23.
[CKA] KodeKloud - Cluster Installation using Kubeadm 안녕하세요, 쯀리입니다.오늘은 Cluster Installation using Kubeadm에 관해 배워보겠습니다. https://kubernetes.io/docs/setup/production-environment/tools/kubeadm/create-cluster-kubeadm/ Creating a cluster with kubeadmUsing kubeadm, you can create a minimum viable Kubernetes cluster that conforms to best practices. In fact, you can use kubeadm to set up a cluster that will pass the Kubernetes Conformance tests. kubeadm als.. 공감수 0 댓글수 0 2024. 8. 15.
[CKA] KodeKloud - Ingress Networking - 2 안녕하세요, 쯀리입니다. 지난시간에 이어서 ingress에 대해 더 배워볼게요https://kubernetes.io/docs/concepts/services-networking/ingress/ IngressMake your HTTP (or HTTPS) network service available using a protocol-aware configuration mechanism, that understands web concepts like URIs, hostnames, paths, and more. The Ingress concept lets you map traffic to different backends based on rules you definkubernetes.iohttps://funlif.. 공감수 0 댓글수 0 2024. 8. 15.
[CKA] KodeKloud - Ingress Networking - 1 안녕하세요, 쯀리입니다.오늘은 두 강의를 나누어 진행할텐데요 쿠버네티스에서 가장 많이 사용하는 Ingress에 관해 첫번째 과정을 배워볼게요https://kubernetes.io/docs/concepts/services-networking/ingress/ IngressMake your HTTP (or HTTPS) network service available using a protocol-aware configuration mechanism, that understands web concepts like URIs, hostnames, paths, and more. The Ingress concept lets you map traffic to different backends based on rules .. 공감수 0 댓글수 0 2024. 8. 15.
[CKA] KodeKloud - CoreDNS in Kubernetes 안녕하세요, 쯀리입니다.오늘은 CoreDNS에 관해 알아보도록 하겠습니다. https://kubernetes.io/docs/tasks/administer-cluster/coredns/ Using CoreDNS for Service DiscoveryThis page describes the CoreDNS upgrade process and how to install CoreDNS instead of kube-dns. 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 recommendedkube.. 공감수 0 댓글수 0 2024. 8. 15.
[CKA] KodeKloud - Service Networking 안녕하세요, 쯀리입니다.오늘은 Service Networking에 대해 배워보겠습니다. Quiz.1. What network range are the nodes in the cluster part of?controlplane ~ ➜ ip addr show eth0147: eth0@if148: mtu 1450 qdisc noqueue state UP group default link/ether 02:42:c0:06:cb:08 brd ff:ff:ff:ff:ff:ff link-netnsid 0 inet 192.6.203.8/24 brd 192.6.203.255 scope global eth0 valid_lft forever preferred_lft forevereth0 인터페이스.. 공감수 0 댓글수 0 2024. 8. 10.
[CKA] KodeKloud - Networking Weave 안녕하세요, 쯀리입니다.오늘은 Weave Net에 대해 배워보겠습니다. https://kubernetes.io/docs/tasks/administer-cluster/network-policy-provider/weave-network-policy/ Weave Net for NetworkPolicyThis page shows how to use Weave Net for NetworkPolicy. Before you begin You need to have a Kubernetes cluster. Follow the kubeadm getting started guide to bootstrap one. Install the Weave Net addon Follow the Integrating Kubernetes .. 공감수 0 댓글수 0 2024. 8. 10.
[CKA] KodeKloud - Deploy Network Solution 안녕하세요, 쯀리입니다.오늘은 Deploy Network Solution강의에대해 살펴보겠습니다. Quiz.1. In this practice test we will install weave-net POD networking solution to the cluster. Let us first inspect the setup. We have deployed an application called app in the default namespace. What is the state of the pod?controlplane ~ ➜ k get poNAME READY STATUS RESTARTS AGEapp 0/1 ContainerCreating 0 .. 공감수 0 댓글수 0 2024. 8. 8.
[CKA] KodeKloud - CNI 안녕하세요, 쯀리입니다. 지난시간에 잠깐 짚고 넘어갔던 CNI에 대해 알아보겠습니다. https://github.com/containernetworking/cni GitHub - containernetworking/cni: Container Network Interface - networking for Linux containersContainer Network Interface - networking for Linux containers - containernetworking/cnigithub.com CNI란CNI는 "Container Network Interface"의 약자로, 컨테이너 네트워킹을 위한 표준 인터페이스를 정의한 것입니다. Kubernetes와 같은 컨테이너 오케스트레이션 시스템에서.. 공감수 0 댓글수 0 2024. 8. 8.
[CKA] KodeKloud - Explore Environment 안녕하세요, 쯀리입니다.오늘은 CKA 새로운 강입니다. 8강의 Explore Environment를 배워보겠습니다. https://kubernetes.io/docs/concepts/architecture/nodes/ NodesKubernetes runs your workload by placing containers into Pods to run on Nodes. A node may be a virtual or physical machine, depending on the cluster. Each node is managed by the control plane and contains the services necessary to run Pods. Typically you hkubernetes.io .. 공감수 0 댓글수 0 2024. 8. 8.
[CKA] KodeKloud - Storage Class 안녕하세요, 쯀리입니다.오늘은 Storage Class에 대해 알아보겠습니다. https://kubernetes.io/docs/concepts/storage/storage-classes/ Storage ClassesThis document describes the concept of a StorageClass in Kubernetes. Familiarity with volumes and persistent volumes is suggested. A StorageClass provides a way for administrators to describe the classes of storage they offer. Different classes might map tkubernetes.io Storage.. 공감수 0 댓글수 0 2024. 7. 29.
[CKA] KodeKloud - Persistent Volume Claims 안녕하세요, 쯀리입니다.7강을 시작해볼까요? Persistent Volume Claims에 대해 알아보겠습니다. https://kubernetes.io/docs/concepts/storage/persistent-volumes/ Persistent VolumesThis document describes persistent volumes in Kubernetes. Familiarity with volumes, StorageClasses and VolumeAttributesClasses is suggested. Introduction Managing storage is a distinct problem from managing compute instances. The PersistentVolume subsy.. 공감수 0 댓글수 0 2024. 7. 28.
[CKA] KodeKloud - Network Policy 안녕하세요, 쯀리입니다.오늘은 6강의 마지막 Network Policy에 대해 알아보겠습니다. https://kubernetes.io/ko/docs/concepts/services-networking/network-policies/ 네트워크 정책IP 주소 또는 포트 수준(OSI 계층 3 또는 4)에서 트래픽 흐름을 제어하려는 경우, 네트워크 정책은 클러스터 내의 트래픽 흐름뿐만 아니라 파드와 외부 간의 규칙을 정의할 수 있도록 해준다. 클러kubernetes.io Network PolicyKubernetes(K8s) 클러스터 내에서 포드(Pod) 간의 트래픽을 제어하기 위한 규칙 세트를 말합니다. 주요 개념네임스페이스(Namespace): 네트워크 폴리시는 특정 네임스페이스 내에서만 적용돼요.레이블(L.. 공감수 0 댓글수 0 2024. 7. 28.
[CKA] KodeKloud - Security Contexts 안녕하세요, 쯀리입니다.오늘은 Security Contexts에 관해 알아보겠습니다. https://kubernetes.io/docs/tasks/configure-pod-container/security-context/ Configure a Security Context for a Pod or ContainerA security context defines privilege and access control settings for a Pod or Container. Security context settings include, but are not limited to: Discretionary Access Control: Permission to access an object, like a file, i.. 공감수 0 댓글수 0 2024. 7. 24.
[CKA] KodeKloud - Image Security 안녕하세요, 쯀리입니다.오늘은 Image Security에 관래 알아보겠습니다https://kubernetes.io/docs/concepts/containers/images/ ImagesA container image represents binary data that encapsulates an application and all its software dependencies. Container images are executable software bundles that can run standalone and that make very well defined assumptions about their runtime environmenkubernetes.io Image Security Kubernet.. 공감수 0 댓글수 0 2024. 7. 20.
[CKA] KodeKloud - Service Account 안녕하세요, 쯀리입니다.오늘은 Service Account을 배워보겠습니다. https://kubernetes.io/docs/concepts/security/service-accounts/ Service AccountsLearn about ServiceAccount objects in Kubernetes.kubernetes.iohttps://kubernetes.io/docs/tasks/configure-pod-container/configure-service-account/ Configure Service Accounts for PodsKubernetes offers two distinct ways for clients that run within your cluster, or that otherwise.. 공감수 0 댓글수 0 2024. 7. 20.
[CKA] KodeKloud - Cluster Roles 안녕하세요, 쯀리입니다.오늘은 Cluster Roles에 대해 알아보겠습니다. https://kubernetes.io/docs/reference/access-authn-authz/rbac/ Using RBAC AuthorizationRole-based access control (RBAC) is a method of regulating access to computer or network resources based on the roles of individual users within your organization. RBAC authorization uses the rbac.authorization.k8s.io API group to drive authorization deciskubernetes.i.. 공감수 0 댓글수 0 2024. 7. 20.
[CKA] KodeKloud -Role Based Access Controls 안녕하세요, 쯀리입니다.오늘은 Role에 따라 접근을 다르게 하는 방법인 Role Based Access Controls 줄여 RBAC이라고 많이 부르는데 이것에 대해 알아보겠습니다. https://kubernetes.io/docs/reference/access-authn-authz/rbac/ Using RBAC AuthorizationRole-based access control (RBAC) is a method of regulating access to computer or network resources based on the roles of individual users within your organization. RBAC authorization uses the rbac.authorizatio.. 공감수 1 댓글수 0 2024. 7. 19.
[CKA] KodeKloud - KubeConfig 안녕하세요, 쯀리입니다.오늘은 kubeConfig에 관해 알아보겠습니다. https://kubernetes.io/docs/concepts/configuration/organize-cluster-access-kubeconfig/ Organizing Cluster Access Using kubeconfig FilesUse kubeconfig files to organize information about clusters, users, namespaces, and authentication mechanisms. The kubectl command-line tool uses kubeconfig files to find the information it needs to choose a cluster and co.. 공감수 0 댓글수 0 2024. 7. 18.
[CKA] KodeKloud - Certificates API 안녕하세요, 쯀리입니다.오늘은 Certificates API에 관해 알아보겠습니다. https://kubernetes.io/docs/reference/access-authn-authz/certificate-signing-requests/ Certificates and Certificate Signing RequestsKubernetes certificate and trust bundle APIs enable automation of X.509 credential provisioning by providing a programmatic interface for clients of the Kubernetes API to request and obtain X.509 certificates from a Cert.. 공감수 0 댓글수 0 2024. 7. 18.
[CKA] KodeKloud - View Certificate Details 안녕하세요, 쯀리입니다.CKA KodeKloud도 5강에 이어 6강(Security)을 시작하게 되었습니다!오늘은 Certificate Details 관련해서 확인해보는 시간을 가져보겠습니다. https://kubernetes.io/docs/reference/access-authn-authz/certificate-signing-requests/ Certificates and Certificate Signing RequestsKubernetes certificate and trust bundle APIs enable automation of X.509 credential provisioning by providing a programmatic interface for clients of the Kubern.. 공감수 2 댓글수 5 2024. 7. 15.
[CKA] KodeKloud - Backup and Restore Methods 1,2 안녕하세요, 쯀리입니다.오늘은 Backup and Restore Methods에 관해 알아보도록 할게요.이번강의는 1,2부로 나누어 진행하는데 참고부탁드려요!https://kubernetes.io/docs/tasks/administer-cluster/configure-upgrade-etcd/ Operating etcd clusters for Kubernetesetcd is a consistent and highly-available key value store used as Kubernetes' backing store for all cluster data. If your Kubernetes cluster uses etcd as its backing store, make sure you have a ba.. 공감수 1 댓글수 0 2024. 7. 13.
[CKA] KodeKloud - Cluster Upgrade Process 안녕하세요, 쯀리입니다.오늘은 Cluster Upgrade 방법에 대해 알아보겠습니다. https://kubernetes.io/docs/tasks/administer-cluster/kubeadm/kubeadm-upgrade/ x). Skipping MINOR versions when upgrading is unsupported. For more details, please visit Versio" data-og-host="kubernetes.io" data-og-source-url="https://kubernetes.io/docs/tasks/administer-cluster/kubeadm/kubeadm-upgrade/" data-og-url="https://kubernetes.io/docs/tasks/.. 공감수 0 댓글수 0 2024. 7. 12.
[CKA] KodeKloud - OS Upgrade 안녕하세요, 쯀리입니다.오늘은 4번째 장에서 OS Upgrade에 관해 알아보겠습니다.https://kubernetes.io/docs/tasks/administer-cluster/kubeadm/kubeadm-upgrade/ x). Skipping MINOR versions when upgrading is unsupported. For more details, please visit Versio" data-og-host="kubernetes.io" data-og-source-url="https://kubernetes.io/docs/tasks/administer-cluster/kubeadm/kubeadm-upgrade/" data-og-url="https://kubernetes.io/docs/tasks/ad.. 공감수 0 댓글수 0 2024. 7. 11.
[CKA] KodeKloud - Multi Container PODs 안녕하세요, 쯀리입니다.오늘은Multi Container PODs에 대해 알아보겠습니다. 보통 하나의 파드에 하나의 컨테이너가 실행되는 것이 대다수인데 여러개의 컨테이너를 하나의 Pod에 배포하는것에 대해 알아볼게요.https://kubernetes.io/docs/tasks/access-application-cluster/communicate-containers-same-pod-shared-volume/ Communicate Between Containers in the Same Pod Using a Shared VolumeThis page shows how to use a Volume to communicate between two Containers running in the same Pod. See.. 공감수 2 댓글수 0 2024. 7. 5.
[CKA] KodeKloud - Secrets 안녕하세요, 쯀리입니다.오늘은 k8s에서 Secret에 대해 알아보겠습니다. https://kubernetes.io/docs/tasks/inject-data-application/distribute-credentials-secure/ Distribute Credentials Securely Using SecretsThis page shows how to securely inject sensitive data, such as passwords and encryption keys, into Pods. Before you begin You need to have a Kubernetes cluster, and the kubectl command-line tool must be configured to comm.. 공감수 0 댓글수 0 2024. 7. 4.
[CKA] KodeKloud - Env Variables 안녕하세요, 쯀리입니다.오늘은 Pods에서 해당 container관련 환경 변수를 설정하는 방법에 관해 알아보도록 하겠습니다. https://kubernetes.io/docs/tasks/inject-data-application/define-environment-variable-container/ Define Environment Variables for a ContainerThis page shows how to define environment variables for a container in a Kubernetes Pod. Before you begin You need to have a Kubernetes cluster, and the kubectl command-line tool must be .. 공감수 0 댓글수 0 2024. 7. 2.
[CKA] KodeKloud - Commands and Arguments 안녕하세요, 쯀리입니다.오늘은 Commands and Arguments에 관해 알아보도록 하겠습니다. https://kubernetes.io/docs/tasks/inject-data-application/define-command-argument-container/ Define a Command and Arguments for a ContainerThis page shows how to define commands and arguments when you run a container in a Pod. Before you begin You need to have a Kubernetes cluster, and the kubectl command-line tool must be configured to co.. 공감수 0 댓글수 0 2024. 7. 2.

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