cmctl ☆

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Description:
Command-line tool to manage cert-manager

Type: Formula | Latest Version: 2.4.0@0 | Tracked Since: Dec 17, 2025

Links: Homepage | @certmanager | formulae.brew.sh

Category: Devops

Tags: kubernetes cert-manager tls security devops

Install: brew install cmctl

About:
cmctl is a command-line tool designed to manage cert-manager installations and resources within Kubernetes clusters. It streamlines the process of troubleshooting, issuing, and renewing certificates directly from the terminal. This tool is essential for DevOps engineers maintaining secure TLS configurations in cloud-native environments.

Key Features:

Install and upgrade cert-manager on Kubernetes
Convert Kubernetes manifests to cert-manager CRDs
Check certificate readiness and status
Approve and deny certificate signing requests (CSRs)

Use Cases:

Debugging expired or stuck certificates in a cluster
Migrating legacy TLS configurations to cert-manager

Alternatives:

kubectl – Standard kubectl can manage cert-manager CRDs, but cmctl provides specialized commands for installation and troubleshooting.

Version History

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