☸️ Kubernetes Errors
27 error notes
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kubernetesintermediate
KubernetesのSecurityContextで「container has runAsNonRoot and image will run as root」を修正する
Error: container has runAsNonRoot and image will run as root (pod: "...", container: "...")kubernetessecurity-contextrunAsNonRootpod-security
kubernetesintermediate
Kubernetes Ingressの503エラー修正：「No Endpoints Available」の解決策
503 Service Temporarily Unavailable
no endpoints available for service "my-service"ingressnginx-ingress503endpoints
kubernetesintermediate
Helmエラー解決：rendered manifests contain a resource that already existsの対処法
Error: UPGRADE FAILED: rendered manifests contain a resource that already exists. Unable to continue with update: existing resource conflictkuberneteshelmdevopsトラブルシューティング
kubernetesintermediate
Init:CrashLoopBackOffの解決：Kubernetes Initコンテナが失敗する理由と対処法
Init:CrashLoopBackOffkubernetesinit-containercrashloopbackoffトラブルシューティング
kubernetesintermediate
KubernetesでLiveness Probe Failed: context deadline exceededによる継続的なPod再起動を修正する
Liveness probe failed: Get "http://10.0.0.1:8080/healthz": context deadline exceeded (Client.Timeout exceeded while awaiting headers)liveness-probehealth-checkpodrestart
kubernetesintermediate
Kubernetes LoadBalancer ServiceがPending状態のまま — External IPが割り当てられない問題を修正
Service is in Pending state and External IP is <pending>kubernetesserviceloadbalancercloud-provider
kubernetesintermediate
Podが強制退去エラー「The node was low on resource memory」をKubernetesで修正する方法
The node was low on resource: memory. Threshold quantity: 100Mi, available: 95Mi.kubernetespodevictionmemory
kubernetesintermediate
Kubernetesにおける 'exec format error' (standard_init_linux.go:211) の修正：ARM vs x86
standard_init_linux.go:211: exec user process caused "exec format error"kubernetesdockerarm64devops
kubernetesintermediate
KubernetesのEviction（退去）を修正する：「Pod ephemeral local storage usage exceeds the total limit」
Pod ephemeral local storage usage exceeds the total limit of containers 512Mikubernetesstorageephemeral-storageeviction
kubernetesintermediate
'tls: certificate signed by unknown authority' を修正 — kubectl が API サーバーに接続できない
Unable to connect to the server: tls: certificate signed by unknown authoritytls証明書kubectlkubeconfig
kubernetesintermediate
KubernetesノードのNotReadyを修正する: Node node-1 status is now: NodeNotReady
Node node-1 status is now: NodeNotReadykubernetesnodenotreadykubelet
kubernetesbeginner
「No StorageClass Set」エラーの解決策：KubernetesのPVCがPending状態のままになる理由
persistentvolumeclaims "my-pvc" is forbidden: no persistent volumes available for this claim and no storage class is setkubernetespvcdevopsstorageclass
kubernetes初級
解決策：Kubernetes MountVolume.SetUp Failed (ConfigMap Not Found) エラー
MountVolume.SetUp failed for volume "config-vol" : configmap "app-config" not foundkubernetesトラブルシューティングconfigmapsecret
kubernetesintermediate
Kubernetesエラーの解決方法：0/3 nodes are available: 1 Insufficient cpu, 2 Insufficient memory
0/3 nodes are available: 1 Insufficient cpu, 2 Insufficient memory. preemption: 0/3 nodes are available: 3 No preemption victims found for incoming pod.kubernetespodスケジューリングトラブルシューティング
kubernetesintermediate
KubernetesのDNSエラー解決ガイド：dial tcp lookup on 10.96.0.10:53 no such host
dial tcp: lookup <service-name> on 10.96.0.10:53: no such hostkubernetesdnscorednsトラブルシューティング
kubernetesbeginner
Kubernetesで「The connection to the server localhost:8443 was refused」を修正する
The connection to the server localhost:8443 was refusedkubernetesapiserverkubectlconnection
kubernetesintermediate
Kubernetesデプロイメントのスタック修正：「Waiting for deployment rollout to finish: 1 old replicas are pending termination」
Waiting for deployment "my-app" rollout to finish: 1 old replicas are pending termination...kubernetesdeploymentrolling-updaterollout
kubernetesintermediate
Kubernetes OOMKilledを修正する：メモリ不足でPodが強制終了された場合
OOMKilledkubernetesメモリoomリソース制限
kubernetesintermediate
Kubernetes ResourceQuota超過エラーの修正: pods is forbidden: exceeded quota
Error from server (Forbidden): pods "my-pod" is forbidden: exceeded quota: my-quota, requested: cpu=500m, used: cpu=900m, limited: cpu=1kubernetesresourcequotaクォータネームスペース
kubernetesintermediate
KubernetesのForbiddenエラーを修正: ユーザーがリソースを作成できない（RBAC）
Error from server (Forbidden): pods "my-pod" is forbidden: User "system:serviceaccount:default:default" cannot create resource "pods" in API group "" in the namespace "default"kubernetesrbacパーミッションforbidden
kubernetesintermediate
Readiness Probeの失敗を修正する：KubernetesでHTTPプローブがstatusCode: 500で失敗する
Readiness probe failed: HTTP probe failed with statuscode: 500kubernetesreadiness-probepoddeployment
kubernetesintermediate
HorizontalPodAutoscalerがスケールしない問題を修正："unable to get metrics for resource cpu: no metrics returned from resource metrics API"
unable to get metrics for resource cpu: no metrics returned from resource metrics APIkuberneteshpaautoscalermetrics-server
kubernetesintermediate
KubernetesネームスペースがTerminating状態でスタックする問題を修正する（Error from server: namespaces is being deleted）
Error from server: namespaces "my-namespace" is being deletedkubernetesnamespaceterminatingfinalizer
kubernetesintermediate
KubernetesのPodがPending状態で止まる問題を修正: "0/3 nodes are available: 3 Insufficient cpu"
0/3 nodes are available: 3 Insufficient cpukubernetesスケジューリングリソースノード
kubernetesintermediate
KubernetesでMountVolume.SetUp failed for volume: mount failed exit status 32を修正する
MountVolume.SetUp failed for volume "my-pv" : mount failed: exit status 32kubernetespersistent-volumemountstorage
kubernetesintermediate
Kubernetes ImagePullBackOff の修正：原因と解決策
ImagePullBackOffkubernetesimagepullregistry
kubernetesintermediate
Kubernetes CrashLoopBackOffの修正：トラブルシューティングガイド
CrashLoopBackOff