Useful Commands

flux export kustomization flux-system
flux export helmrelease cert-manager -n flux-system
flux export source git flux-system

flux tree kustomization flux-system
flux tree kustomization infrastructure

flux diff kustomization flux-system --path=./cluster/kimawesome
flux diff helmrelease prometheus -n flux-system

kubectl scale deployment <name> --replicas=3
kubectl scale deployment -n observability prometheus --replicas=2

kubectl top nodes
kubectl top pods
kubectl top pods -n observability
kubectl top pods --all-namespaces

cilium policy get
cilium policy validate policy.yaml

cilium debuginfo
cilium troubleshoot

helm rollback prometheus -n observability
helm rollback prometheus 2 -n observability

kubeseal --fetch-cert > pub-cert.pem
kubeseal --fetch-cert --controller-namespace=sealed-secrets

echo -n "mypassword" | kubeseal --raw \
  --name=mysecret \
  --namespace=default \
  --from-file=/dev/stdin

kubectl delete certificaterequest <request-name>
# cert-manager will automatically create a new request

kubectl get events --all-namespaces --sort-by='.lastTimestamp'
kubectl get events -n flux-system --watch
kubectl get events --field-selector type=Warning

kubectl describe node <node-name> | grep -A 5 Allocated
kubectl get pods --all-namespaces --field-selector=status.phase=Pending
kubectl get pods --all-namespaces --field-selector=status.phase=Failed

#!/bin/bash
echo "=== Nodes ==="
kubectl get nodes

echo "\n=== Flux Status ==="
flux get all

echo "\n=== Failed Pods ==="
kubectl get pods --all-namespaces --field-selector=status.phase!=Running,status.phase!=Succeeded

echo "\n=== Recent Events ==="
kubectl get events --all-namespaces --sort-by='.lastTimestamp' | tail -10

#!/bin/bash
echo "Cilium:" && cilium status --brief
echo "cert-manager:" && kubectl get pods -n cert-manager
echo "MetalLB:" && kubectl get pods -n metallb-system
echo "Prometheus:" && kubectl get pods -n observability -l app.kubernetes.io/name=prometheus

alias k='kubectl'
alias kgp='kubectl get pods'
alias kgs='kubectl get svc'
alias kgn='kubectl get nodes'
alias kdp='kubectl describe pod'
alias kl='kubectl logs'
alias kex='kubectl exec -it'

alias f='flux'
alias fga='flux get all'
alias fgk='flux get kustomizations'
alias fgh='flux get helmreleases'
alias frk='flux reconcile kustomization'
alias frh='flux reconcile helmrelease'

alias kustomize='kubectl kustomize'
alias kg='kubectl get'
alias kd='kubectl describe'
alias ka='kubectl apply -f'