This is somes personnals documentation build all long my career. You will find it only in the english version.
Sections
This was available on RHEL 6/7 Checking status of the cluster: 1clustat 2clustat -m # Display status of and exit 3clustat -s # Display status of and exit 4clustat -l # Use long format for services 5cman_tool status # how local record of cluster status 6cman_tool nodes # how local record of cluster nodes 7cman_tool...
See also documentation about Podman and Docker How to use a docker regsitry 1# list index catalog 2curl https://registry.k3s.example.com/v2/_catalog | jq 3 4# List tags available regarding an image 5curl https://registry.k3s.example.com/v2/myhaproxy/tags/list 6 7# list index catalog - with user/password 8curl...
Get tag_name from latest 1export RKE_VERSION=$(curl -s https://update.rke2.io/v1-release/channels | jq -r '.data[] | select(.id=="stable") | .latest' | awk -F"+" '{print $1}'| sed 's/v//') 2export CERT_VERSION=$(curl -s https://api.github.com/repos/cert-manager/cert-manager/releases/latest | jq -r .tag_name) 3export...
Create a small infra for kubernetes 1 #On your Azure CLI 2 az --version # Version expected 2.1.0 or higher 3 4 az group delete --name kubernetes -y 5 6 az group create -n kubernetes -l westeurope 7 8 az network vnet create -g kubernetes \ 9 -n kubernetes-vnet \ 10 --address-prefix 10.240.0.0/24 \ 11 --subnet-name...
Install Client 1# most simple 2arkade get doctl 3 4# normal way 5curl -OL https://github.com/digitalocean/doctl/releases/download/v1.104.0/doctl-1.104.0-linux-amd64.tar.gz 6tar xf doctl-1.104.0-linux-amd64.tar.gz 7mv doctl /usr/local/bin 8 9# Auto-Completion ZSH 10 doctl completion zsh > $ZSH/completions/_doctl Basics...
install KVM on RHEL 1# pre-checks hardware for intel CPU 2grep -e 'vmx' /proc/cpuinfo 3lscpu | grep Virtualization 4lsmod | grep kvm 5 6# on RHEL9 Workstation 7sudo dnf install virt-install virt-viewer -y 8sudo dnf install -y libvirt 9sudo dnf install virt-manager -y 10sudo dnf install -y virt-top libguestfs-tools...
Troubleshoot DNS vi dns.yml 1apiVersion: v1 2kind: Pod 3metadata: 4 name: dnsutils 5 namespace: default 6spec: 7 containers: 8 - name: dnsutils 9 image: registry.k8s.io/e2e-test-images/jessie-dnsutils:1.3 10 command: 11 - sleep 12 - "infinity" 13 imagePullPolicy: IfNotPresent 14 restartPolicy: Always deploy dnsutils...
Install 1# Get latest version 2OKD_VERSION=$(curl -s https://api.github.com/repos/okd-project/okd/releases/latest | jq -r .tag_name) 3 4# Download 5curl -L https://github.com/okd-project/okd/releases/download/${OKD_VERSION}/openshift-install-linux-${OKD_VERSION}.tar.gz -O 6curl -L...
OC Mirror Need at least one Operator: 1kind: ImageSetConfiguration 2apiVersion: mirror.openshift.io/v1alpha2 3archiveSize: 4 4storageConfig: 5 registry: 6 imageURL: quay.example.com:8443/mirror/oc-mirror-metadata 7 skipTLS: false 8mirror: 9 platform: 10 architectures: 11 - "amd64" 12 channels: 13 - name: stable-4.14...