jhoelzel

loki:
  persistence:
    enabled: true
    size: 5Gi
  serviceMonitor:
    enabled: true
promtail:
  enabled: true
  extraScrapeConfigs:
    - job_name: kubernetes-pods-app

jhoelzel

{
  "appName": "production-deployment",
  "destNamespace": "prod"
}

jhoelzel

apiVersion: argoproj.io/v1alpha1
kind: Application
metadata:
  name: external-dns
  namespace: argocd
  annotations:
    argocd.argoproj.io/sync-wave: "2"
spec:
  destination:
    namespace: external-dns

jhoelzel

apiVersion: argoproj.io/v1alpha1
kind: Application
metadata:
  name: sealed-secrets-controller
  namespace: argocd
spec:
  project: default
  source:
    repoURL: https://bitnami-labs.github.io/sealed-secrets
    targetRevision: 0.17.5 

jhoelzel

# Often after hibernation your docker containers will be out of sync which will create problems with everythin expiration based.
# This quick fix will update the time in your local docker desktop container which should be using wsl und Windows 11
# You can find more information about hwclock here: https://linux.die.net/man/8/hwclock 

$ wsl -d docker-desktop -e /sbin/hwclock -s

jhoelzel

kubectl get deployments --no-headers | wc -l 

jhoelzel

# Enable MetalLB Load Balancer.
microk8s enable metallb

when asked for an IP range give a NEW ONE for instance 10.37.1.0/24

## route local machine
route -P add 10.1.2.0/24 MASK 255.255.255.0 10.0.37.1

## in order to do that with OpenWRT just add a static route!
Host-IP or Network: 10.1.1.1/24 MASK 255.255.255.0  Gateway:10.37.0.6

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# Scale Up the Deployment
kubectl scale --replicas=20 deployment/<Deployment-Name>
kubectl scale --replicas=20 deployment/my-deployment

# Verify Deployment status
kubectl get deployments

# Verify ReplicaSet has been updated
kubectl get rs

jhoelzel

#cloud-config
packages:
  - ufw
  - fail2ban
package_update: true
package_upgrade: true
runcmd:
  - sed -i 's/[#]*PermitRootLogin yes/PermitRootLogin prohibit-password/g' /etc/ssh/sshd_config
  - sed -i 's/[#]*PasswordAuthentication yes/PasswordAuthentication no/g' /etc/ssh/sshd_config
  - systemctl restart sshd

jhoelzel

# with more you can easily scroll through the kubectl output:
kubectl -n kube-system get deployment.apps/cluster-autoscaler -o yaml | more