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K3s: Cert Manager
Install cert-manager
#1. Add Helm repository.
helm repo add jetstack https://charts.jetstack.io
#2. Update Helm repository.
helm repo update
#3. (Option 1) Install Cert Manager CRD. At this moment, the latest version is v1.9.1. Click here to get the latest release.
kubectl apply -f https://github.com/cert-manager/cert-manager/releases/download/v1.9.1/cert-manager.crds.yaml
#4. (Option 2) Install Cert Manager via Helm. At this moment, the latest version is v1.9.1. Click here to get the latest release.
helm install \ cert-manager jetstack/cert-manager \ --namespace cert-manager \ --create-namespace \ --version v1.9.1
Additional: Install cmctl.
#1. Go to cmctl Github release page: Releases · cert-manager/cert-manager (github.com)
#2. Download, extract and install.
# Download wget https://github.com/cert-manager/cert-manager/releases/download/v1.9.1/cmctl-linux-amd64.tar.gz # Extract tar -zxvf cmctl-linux-amd64.tar.gz # Install mv cmctl /usr/local/bin/
#3. Test it.
cmctl check api # K3s cmctl check api --kubeconfig /etc/rancher/k3s/k3s.yaml # => The cert-manager API is ready
References:
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