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1552+ articles — Page 42 of 65
Fix Kubernetes Helm Rollback Issues
Helm rollback not working as expected? Learn about release history, hook behavior during rollback, and how to handle persistent volume data.
2 min readFix Kubernetes Ingress 502 Bad Gateway
Ingress returning 502? Diagnose backend service health, annotation misconfigurations, timeout settings, and ingress controller logs.
2 min readFix Kubernetes Ingress 504 Gateway Timeout
Ingress timing out with 504? Learn how to adjust proxy timeouts, optimize backend response times, and configure keep-alive connections.
2 min readFix Kubernetes Init Container Failed
Init container stuck or failing? Diagnose dependency ordering, timeout issues, and debug init containers that block pod startup.
2 min readFix Kubernetes Insufficient CPU or Memory
Pods unschedulable due to insufficient resources? Learn how to right-size requests and limits, use VPA recommendations, and optimize cluster capacity.
2 min readFix Kubernetes Invalid ClusterRoleBinding
ClusterRoleBinding not working? Common issues include wrong subject kind, missing namespace for namespaced bindings, and typos in role references.
2 min readFix Kubernetes Invalid Spec Containers Error
Manifest validation failing? Common issues include missing required fields, invalid resource formats, and incompatible API versions.
2 min readFix Kubernetes Job BackoffLimit Exceeded
Job failing after multiple retries? Diagnose container exit codes, adjust backoffLimit and activeDeadlineSeconds, and handle job cleanup.
2 min readFix Kubernetes MountVolume SetUp Failed
Volume mount failing? Common causes include wrong Secret/ConfigMap names, NFS connectivity, CSI driver issues, and permission denied errors.
2 min readFix Kubernetes Multi-Attach Volume Error
Multi-Attach error for volume? Learn about ReadWriteOnce access modes, node affinity for volumes, and when to use ReadWriteMany storage classes.
2 min readFix Kubernetes Namespace Stuck in Terminating
Namespace won't delete? Learn how to identify stuck finalizers, remove them safely, and force namespace deletion as a last resort.
2 min readFix Kubernetes NetworkPolicy Blocking Traffic
Pods can't communicate after applying NetworkPolicy? Learn how default deny works, egress vs ingress rules, and how to debug with ephemeral containers.
2 min readFix Kubernetes No Matches for Kind Error
Getting no matches for kind when applying manifests? Usually means the CRD isn't installed, wrong API version, or the resource doesn't exist in your cluster.
2 min readFix Kubernetes Node NotReady
Node showing NotReady status? Diagnose kubelet issues, network problems, disk pressure, and certificate expiration with step-by-step fixes.
2 min readFix Kubernetes OOMKilled
Pod terminated with OOMKilled (exit code 137)? Learn how to diagnose memory limits, set proper resource requests, and prevent out-of-memory kills.
2 min readFix Kubernetes NodePort Forbidden on ClusterIP Service
Trying to set nodePort on a ClusterIP service? Learn the difference between service types and how to properly expose your application.
2 min readFix Kubernetes PVC Stuck in Pending
PersistentVolumeClaim stuck in Pending? Diagnose missing StorageClass, insufficient capacity, binding mode issues, and cloud provider errors.
2 min readFix Kubernetes Pod Disruption Budget Blocking
PDB blocking node drain or rolling update? Understand minAvailable vs maxUnavailable and how to configure PDBs without blocking operations.
2 min readFix Kubernetes Pod Security Admission Violations
Pod rejected by Pod Security Standards? Configure security contexts, run as non-root, and drop capabilities to meet baseline or restricted profiles.
2 min readFix Kubernetes Service Has No Endpoints
Service returning connection refused or 503? Check for label selector mismatches, pods not ready, and missing endpoint slices.
2 min readFix Kubernetes TLS Handshake Timeout
TLS handshake timeout connecting to cluster? Check proxy settings, firewall rules, certificate chain issues, and VPN connectivity.
2 min readFix Kubernetes Unable to Connect to the Server
Kubectl can't reach the API server? Diagnose kubeconfig issues, server URL changes, firewall blocks, and expired credentials.
2 min readFix Kubernetes Pod Stuck in Pending
Pod stuck in Pending state? Learn how to diagnose insufficient resources, node affinity issues, PVC binding failures, and taint tolerations.
2 min readFix Kubernetes etcd Cluster Unavailable
etcd cluster is unavailable or has no leader? Diagnose disk space, network partitions, certificate issues, and corrupt etcd data.
2 min read