AWS Credentials

Get the role name wget http://169.254.169.254/latest/meta-data/iam/info will get something like: { “Code” : “Success”, “LastUpdated” : “2020-03-06T20:34:08Z”, “InstanceProfileArn” : “arn:aws:iam::3940394039403:instance-profile/ProfileName”, “InstanceProfileId” : “kasdjaksjakjsa” } or better yet, get the role name from: wget http://169.254.169.254/latest/meta-data/iam/security-credentials It will be the name of Read more…

WireGuard VPN

Install on ubuntu 18.04: sudo add-apt-repository ppa:wireguard/wireguard sudo apt-get update sudo apt-get install wireguard Create keys Create keys for server in /etc/wireguard: umask 077; wg genkey | tee privatekey | wg pubkey > publickey Forward traffic To use this box Read more…

ArgoCD

Install kubectl create namespace argocd kubectl apply -n argocd -f https://raw.githubusercontent.com/argoproj/argo-cd/stable/manifests/install.yaml https://argoproj.github.io/argo-cd/getting_started/ Proxy connection to server kubectl port-forward svc/argocd-server -n argocd 8080:443 You can access the argocd server at http://localhost:8080 Until we configure SSL you will get a certificate error Read more…

RabbitMQ metrics in Elasticsearch

In this example we are using Elastic Cloud managed elasticsearch and will deploy the metricbeat to a k8s cluster. Create Secret apiVersion: v1 data: ELASTICSEARCH_AUTH: [base64_encoded_auth] ELASTICSEARCH_CLOUD_ID: [base64_encoded_cloudid] ELASTICSEARCH_RABBITMQ_PASSWORD: [base64_encoded_password] ELASTICSEARCH_RABBITMQ_USER: [base64_encoded_user] kind: Secret metadata: name: metricbeat type: Opaque Create Read more…

Kubernetes on a Mac

Enable auto-completion Upgrade bash, install autocompletion and enable them: https://medium.com/merapar/fixing-bash-autocompletion-on-macos-for-kubectl-and-kops-e87f019652e8 List all pod (sorted by node) kubectl get pods -o wide –sort-by=”{.spec.nodeName}” –all-namespaces