ErrorNotes

☸️ Kubernetes Errors

28 error notes

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kubernetesintermediate

Fix 'container has runAsNonRoot and image will run as root' in Kubernetes SecurityContext

Error: container has runAsNonRoot and image will run as root (pod: "...", container: "...")
kubernetessecurity-contextrunAsNonRootpod-security
kubernetesintermediate

Fixing Kubernetes Ingress 503: Solving the 'No Endpoints Available' Error

503 Service Temporarily Unavailable no endpoints available for service "my-service"
ingressnginx-ingress503endpoints
kubernetesintermediate

Fixing the Helm Error: Rendered Manifests Contain a Resource That Already Exists

Error: UPGRADE FAILED: rendered manifests contain a resource that already exists. Unable to continue with update: existing resource conflict
kuberneteshelmdevopstroubleshooting
kubernetesintermediate

Fixing Kubernetes 'dial tcp: i/o timeout' caused by Network Policy

dial tcp <pod-ip>:<port>: i/o timeout
kubernetesnetwork-policynetworkingtimeout
kubernetesintermediate

Fixing Init:CrashLoopBackOff: Why Your Kubernetes Init Containers Are Failing

Init:CrashLoopBackOff
kubernetesinit-containercrashloopbackofftroubleshooting
kubernetesintermediate

Fix Liveness Probe Failed: context deadline exceeded Causing Constant Pod Restarts in Kubernetes

Liveness probe failed: Get "http://10.0.0.1:8080/healthz": context deadline exceeded (Client.Timeout exceeded while awaiting headers)
liveness-probehealth-checkpodrestart
kubernetesintermediate

Fix Kubernetes LoadBalancer Service Stuck in <pending> — External IP Never Assigned

Service is in Pending state and External IP is <pending>
kubernetesserviceloadbalancercloud-provider
kubernetesintermediate

Fix Pod Evicted Error: The node was low on resource memory in Kubernetes

The node was low on resource: memory. Threshold quantity: 100Mi, available: 95Mi.
kubernetespodevictionmemory
kubernetesintermediate

Fixing 'exec format error' (standard_init_linux.go:211) in Kubernetes: ARM vs x86

standard_init_linux.go:211: exec user process caused "exec format error"
kubernetesdockerarm64devops
kubernetesintermediate

Fixing Kubernetes Evictions: 'Pod ephemeral local storage usage exceeds the total limit'

Pod ephemeral local storage usage exceeds the total limit of containers 512Mi
kubernetesstorageephemeral-storageeviction
kubernetesintermediate

Fix 'tls: certificate signed by unknown authority' — kubectl Can't Connect to API Server

Unable to connect to the server: tls: certificate signed by unknown authority
tlscertificatekubectlkubeconfig
kubernetesintermediate

Fix Kubernetes Node NotReady: Node node-1 status is now: NodeNotReady

Node node-1 status is now: NodeNotReady
kubernetesnodenotreadykubelet
kubernetesbeginner

Fixing the 'No StorageClass Set' Error: Why Your Kubernetes PVC is Stuck in Pending

persistentvolumeclaims "my-pvc" is forbidden: no persistent volumes available for this claim and no storage class is set
kubernetespvcdevopsstorageclass
kubernetesbeginner

Fix: Kubernetes MountVolume.SetUp Failed (ConfigMap Not Found)

MountVolume.SetUp failed for volume "config-vol" : configmap "app-config" not found
kubernetestroubleshootingconfigmapsecret
kubernetesintermediate

Fix Kubernetes Error: 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.
kubernetespodschedulingtroubleshooting
kubernetesintermediate

Fixing the Kubernetes DNS Error: 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 host
kubernetesdnscorednstroubleshooting
kubernetesbeginner

Fix 'The connection to the server localhost:8443 was refused' in Kubernetes

The connection to the server localhost:8443 was refused
kubernetesapiserverkubectlconnection
kubernetesintermediate

Fix Kubernetes Deployment Stuck: "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

Fix Kubernetes OOMKilled: Pod Killed Due to Out of Memory

OOMKilled
kubernetesmemoryoomlimits
kubernetesintermediate

Fix Kubernetes ResourceQuota Exceeded: 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=1
kubernetesresourcequotaquotanamespace
kubernetesintermediate

Fix Kubernetes Forbidden Error: User cannot create resource (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"
kubernetesrbacpermissionforbidden
kubernetesintermediate

Fix Readiness Probe Failed: HTTP Probe Failed with statuscode: 500 in Kubernetes

Readiness probe failed: HTTP probe failed with statuscode: 500
kubernetesreadiness-probepoddeployment
kubernetesintermediate

Fix HorizontalPodAutoscaler Not Scaling: "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 API
kuberneteshpaautoscalermetrics-server
kubernetesintermediate

Fix Kubernetes Namespace Stuck in Terminating State (Error from server: namespaces is being deleted)

Error from server: namespaces "my-namespace" is being deleted
kubernetesnamespaceterminatingfinalizer
kubernetesintermediate

Fix Kubernetes Pod Stuck in Pending: "0/3 nodes are available: 3 Insufficient cpu"

0/3 nodes are available: 3 Insufficient cpu
kubernetesschedulingresourcesnode
kubernetesintermediate

Fix MountVolume.SetUp failed for volume: mount failed exit status 32 in Kubernetes

MountVolume.SetUp failed for volume "my-pv" : mount failed: exit status 32
kubernetespersistent-volumemountstorage
kubernetesintermediate

Fix Kubernetes ImagePullBackOff: Causes and Solutions

ImagePullBackOff
kubernetesimagepullregistry
kubernetesintermediate

Fix Kubernetes CrashLoopBackOff: Troubleshooting Guide

CrashLoopBackOff