Christian Huth
@christianhuth.bsky.social
Senior Cloud Native Consultant@cloud37, 42x certified: 7x OpenShift, 5x Kubernetes, 4x (Cloud, GitOps, Linux), 2x (AWS, Kyverno), 1x (Argo, Backstage, Bash, Cilium, Consul, DevOps, Git, Helm, Istio, OpenTelemetry, Prometheus, Terraform, Vault, YAML)
Reviving a Kubernetes Cluster After Long-Term Downtime: Expired Certificates Edition
Learn to recover a cluster affected by expired certificates. This guide covers control plane restoration, worker node rejoining, and offers prevention tips.
Learn to recover a cluster affected by expired certificates. This guide covers control plane restoration, worker node rejoining, and offers prevention tips.
Reviving a Kubernetes Cluster After Long-Term Downtime: Expired Certificates Edition
Learn how to recover a Kubernetes cluster after long-term downtime due to expired certificates. This step-by-step guide covers control plane restoration, worker node rejoining, and tips to prevent…
buff.ly
August 5, 2025 at 9:01 AM
Reviving a Kubernetes Cluster After Long-Term Downtime: Expired Certificates Edition
Learn to recover a cluster affected by expired certificates. This guide covers control plane restoration, worker node rejoining, and offers prevention tips.
Learn to recover a cluster affected by expired certificates. This guide covers control plane restoration, worker node rejoining, and offers prevention tips.
Kaf is a modern, open-source CLI for Apache Kafka, simplifying operations with intuitive commands inspired by kubectl and docker. Developed in Go, it eases tasks like listing topics, managing consumer groups, and handling messages, minimizing verbose scripts:
GitHub - birdayz/kaf: Modern CLI for Apache Kafka, written in Go.
Modern CLI for Apache Kafka, written in Go. Contribute to birdayz/kaf development by creating an account on GitHub.
buff.ly
August 4, 2025 at 12:54 PM
Kaf is a modern, open-source CLI for Apache Kafka, simplifying operations with intuitive commands inspired by kubectl and docker. Developed in Go, it eases tasks like listing topics, managing consumer groups, and handling messages, minimizing verbose scripts:
Timoni is a Kubernetes package manager inspired by Helm and enhanced by CUE, designed to improve creating Kubernetes configurations. It leverages CUE's type safety, code generation, and data validation for a more efficient way to create and deliver applications:
GitHub - stefanprodan/timoni: Timoni is a package manager for Kubernetes, powered by CUE and inspired by Helm.
Timoni is a package manager for Kubernetes, powered by CUE and inspired by Helm. - stefanprodan/timoni
buff.ly
August 4, 2025 at 12:54 PM
Timoni is a Kubernetes package manager inspired by Helm and enhanced by CUE, designed to improve creating Kubernetes configurations. It leverages CUE's type safety, code generation, and data validation for a more efficient way to create and deliver applications:
SlimFaas is an FaaS platform for Kubernetes, designed for simplicity and efficiency. It enables developers to deploy serverless functions with minimal setup, featuring auto-scaling to zero when inactive, and supports both synchronous and asynchronous HTTP calls.
GitHub - SlimPlanet/SlimFaas: SlimFaas : The slimmest and simplest Function As A Service
SlimFaas : The slimmest and simplest Function As A Service - SlimPlanet/SlimFaas
buff.ly
August 4, 2025 at 12:54 PM
SlimFaas is an FaaS platform for Kubernetes, designed for simplicity and efficiency. It enables developers to deploy serverless functions with minimal setup, featuring auto-scaling to zero when inactive, and supports both synchronous and asynchronous HTTP calls.
GAMA is a powerful terminal-based user interface tool designed to streamline the management of GitHub Actions workflows. It allows developers to list, trigger, and manage workflows with ease directly from the terminal: buff.ly/WcFz3R1
#cicd #github #cli #tui #cloudnative #OpenSourceSunday
#cicd #github #cli #tui #cloudnative #OpenSourceSunday
GitHub - termkit/gama: Manage your GitHub Actions from Terminal with great UI 🧪
Manage your GitHub Actions from Terminal with great UI 🧪 - termkit/gama
buff.ly
June 29, 2025 at 8:01 AM
GAMA is a powerful terminal-based user interface tool designed to streamline the management of GitHub Actions workflows. It allows developers to list, trigger, and manage workflows with ease directly from the terminal: buff.ly/WcFz3R1
#cicd #github #cli #tui #cloudnative #OpenSourceSunday
#cicd #github #cli #tui #cloudnative #OpenSourceSunday
HyperShift is a middleware for hosting OpenShift control planes at scale, addressing cost, provisioning time, and cross-cloud portability with strong separation between management and workloads. Clusters are fully compliant with OCP and compatible with OCP and Kubernetes toolchains:
GitHub - openshift/hypershift: Hyperscale OpenShift - clusters with hosted control planes
Hyperscale OpenShift - clusters with hosted control planes - openshift/hypershift
buff.ly
June 22, 2025 at 8:01 AM
HyperShift is a middleware for hosting OpenShift control planes at scale, addressing cost, provisioning time, and cross-cloud portability with strong separation between management and workloads. Clusters are fully compliant with OCP and compatible with OCP and Kubernetes toolchains:
Kubebuilder is a framework for building Kubernetes APIs using custom resource definitions. It provides powerful libraries and tools to simplify building and publishing APIs from scratch. It's pluggable architecture allows users to take advantage of optional helpers and features:
GitHub - kubernetes-sigs/kubebuilder: Kubebuilder - SDK for building Kubernetes APIs using CRDs
Kubebuilder - SDK for building Kubernetes APIs using CRDs - kubernetes-sigs/kubebuilder
buff.ly
June 15, 2025 at 8:01 AM
Kubebuilder is a framework for building Kubernetes APIs using custom resource definitions. It provides powerful libraries and tools to simplify building and publishing APIs from scratch. It's pluggable architecture allows users to take advantage of optional helpers and features:
Liqo facilitates dynamic Kubernetes multi-cluster connections across on-premise, cloud, and edge infrastructures. It automates resource and service integration between clusters, eliminating the need for complex VPNs and certification authorities. More info:
GitHub - liqotech/liqo: Enable dynamic and seamless Kubernetes multi-cluster topologies
Enable dynamic and seamless Kubernetes multi-cluster topologies - liqotech/liqo
buff.ly
June 8, 2025 at 8:01 AM
Liqo facilitates dynamic Kubernetes multi-cluster connections across on-premise, cloud, and edge infrastructures. It automates resource and service integration between clusters, eliminating the need for complex VPNs and certification authorities. More info:
Cloudexit is an open-source tool for cloud engineers to assess cloud exits, identifying risks and challenges when leaving a cloud provider. Using EscapeCloud Community Edition, it helps organizations prepare for smoother exit decisions:
GitHub - escapecloud/cloudexit: Run a cloud exit assessment on your infrastructure to gain insights into the challenges and constraints of a potential cloud exit.
Run a cloud exit assessment on your infrastructure to gain insights into the challenges and constraints of a potential cloud exit. - escapecloud/cloudexit
buff.ly
May 11, 2025 at 8:01 AM
Cloudexit is an open-source tool for cloud engineers to assess cloud exits, identifying risks and challenges when leaving a cloud provider. Using EscapeCloud Community Edition, it helps organizations prepare for smoother exit decisions:
The Cluster API Visualizer is an open-source tool that simplifies managing multicluster Kubernetes environments with CAPI. It offers a comprehensive view of multicluster setups, showcasing all CAPI resources for each cluster and providing easy access to their details and statuses. #OpenSourceSunday
GitHub - Jont828/cluster-api-visualizer: Multicluster resource visualization tool for Cluster API
Multicluster resource visualization tool for Cluster API - Jont828/cluster-api-visualizer
buff.ly
May 4, 2025 at 8:01 AM
The Cluster API Visualizer is an open-source tool that simplifies managing multicluster Kubernetes environments with CAPI. It offers a comprehensive view of multicluster setups, showcasing all CAPI resources for each cluster and providing easy access to their details and statuses. #OpenSourceSunday
Docker Hub Rate Limits Are Coming – Here’s How to Outsmart Them with a private Registry
Avoid Docker Hub rate limits by using Harbor as a proxy cache. Learn how to install and configure Harbor and automatically redirect image pulls in Container environments:
Avoid Docker Hub rate limits by using Harbor as a proxy cache. Learn how to install and configure Harbor and automatically redirect image pulls in Container environments:
Docker Hub Rate Limits Are Coming – Here’s How to Outsmart Them with a private Registry
Avoid Docker Hub rate limits by using Harbor as a proxy cache. Learn how to install and configure Harbor, redirect image pulls in Kubernetes, Docker, Podman, and OpenShift, and reduce the costs of…
buff.ly
February 24, 2025 at 1:01 PM
Docker Hub Rate Limits Are Coming – Here’s How to Outsmart Them with a private Registry
Avoid Docker Hub rate limits by using Harbor as a proxy cache. Learn how to install and configure Harbor and automatically redirect image pulls in Container environments:
Avoid Docker Hub rate limits by using Harbor as a proxy cache. Learn how to install and configure Harbor and automatically redirect image pulls in Container environments:
Every Sunday I share an Open Source Tool from the Cloud Native Ecosystem. Today: Shifu.
Shifu is a Kubernetes native, production-grade, protocol & vendor agnostic IoT development framework: https://buff.ly/40dUXBv
#kubernetes #openshift #iot #development #cloudnative #opensource #OpenSourceSunday
Shifu is a Kubernetes native, production-grade, protocol & vendor agnostic IoT development framework: https://buff.ly/40dUXBv
#kubernetes #openshift #iot #development #cloudnative #opensource #OpenSourceSunday
GitHub - Edgenesis/shifu: Kubernetes-native IoT gateway
Kubernetes-native IoT gateway. Contribute to Edgenesis/shifu development by creating an account on GitHub.
buff.ly
February 23, 2025 at 9:00 AM
Every Sunday I share an Open Source Tool from the Cloud Native Ecosystem. Today: Shifu.
Shifu is a Kubernetes native, production-grade, protocol & vendor agnostic IoT development framework: https://buff.ly/40dUXBv
#kubernetes #openshift #iot #development #cloudnative #opensource #OpenSourceSunday
Shifu is a Kubernetes native, production-grade, protocol & vendor agnostic IoT development framework: https://buff.ly/40dUXBv
#kubernetes #openshift #iot #development #cloudnative #opensource #OpenSourceSunday
k8senv is a Kubernetes client's version manager inspired by tfenv to manage multiple versions of CLI tools needed for your daily work with Kubernetes. It supports maintaining multiple versions of kubectl, helm and velero on the same system/jumpbox/bastion: https://buff.ly/41Vjpsp #OpenSourceSunday
GitHub - navilg/k8senv: Kubernetes client's version manager to manage multiple versions of kubectl, helm and velero clients on same system/jumpbox/bastion.
Kubernetes client's version manager to manage multiple versions of kubectl, helm and velero clients on same system/jumpbox/bastion. - navilg/k8senv
buff.ly
February 16, 2025 at 9:00 AM
k8senv is a Kubernetes client's version manager inspired by tfenv to manage multiple versions of CLI tools needed for your daily work with Kubernetes. It supports maintaining multiple versions of kubectl, helm and velero on the same system/jumpbox/bastion: https://buff.ly/41Vjpsp #OpenSourceSunday
Every Sunday I share an Open Source Tool from the Cloud Native Ecosystem. Today: PromLens.
PromLens is a web-based PromQL query builder, analyzer, and visualizer. It helps you with building, understanding, and fixing your queries much more effectively: https://buff.ly/3DMqFwH #OpenSourceSunday
PromLens is a web-based PromQL query builder, analyzer, and visualizer. It helps you with building, understanding, and fixing your queries much more effectively: https://buff.ly/3DMqFwH #OpenSourceSunday
GitHub - prometheus/promlens: PromLens – The query builder, analyzer, and explainer for PromQL
PromLens – The query builder, analyzer, and explainer for PromQL - prometheus/promlens
buff.ly
February 9, 2025 at 9:00 AM
Every Sunday I share an Open Source Tool from the Cloud Native Ecosystem. Today: PromLens.
PromLens is a web-based PromQL query builder, analyzer, and visualizer. It helps you with building, understanding, and fixing your queries much more effectively: https://buff.ly/3DMqFwH #OpenSourceSunday
PromLens is a web-based PromQL query builder, analyzer, and visualizer. It helps you with building, understanding, and fixing your queries much more effectively: https://buff.ly/3DMqFwH #OpenSourceSunday
Every Sunday I share an Open Source Tool from the Cloud Native Ecosystem. Today: Velero.
Velero gives you tools to back up and restore your Kubernetes cluster resources and persistent volumes. You can run Velero with a public cloud platform or on-premises: https://buff.ly/3dPA6yE #OpenSourceSunday
Velero gives you tools to back up and restore your Kubernetes cluster resources and persistent volumes. You can run Velero with a public cloud platform or on-premises: https://buff.ly/3dPA6yE #OpenSourceSunday
GitHub - vmware-tanzu/velero: Backup and migrate Kubernetes applications and their persistent volumes
Backup and migrate Kubernetes applications and their persistent volumes - vmware-tanzu/velero
buff.ly
February 2, 2025 at 9:00 AM
Every Sunday I share an Open Source Tool from the Cloud Native Ecosystem. Today: Velero.
Velero gives you tools to back up and restore your Kubernetes cluster resources and persistent volumes. You can run Velero with a public cloud platform or on-premises: https://buff.ly/3dPA6yE #OpenSourceSunday
Velero gives you tools to back up and restore your Kubernetes cluster resources and persistent volumes. You can run Velero with a public cloud platform or on-premises: https://buff.ly/3dPA6yE #OpenSourceSunday
Helmsman is a Helm Charts (k8s applications) as Code tool which allows you to automate the deployment/management of your Helm charts from version controlled code: https://buff.ly/2TBnk7w #OpenSourceSunday
GitHub - Praqma/helmsman: Helm Charts as Code
Helm Charts as Code. Contribute to Praqma/helmsman development by creating an account on GitHub.
buff.ly
January 26, 2025 at 9:00 AM
Helmsman is a Helm Charts (k8s applications) as Code tool which allows you to automate the deployment/management of your Helm charts from version controlled code: https://buff.ly/2TBnk7w #OpenSourceSunday
kapp helps Kubernetes users manage resources in bulk as "Kubernetes applications" (by using labels), focusing on diffing, deployment, and deletion. Unlike Helm, it skips YAML templating and package management but pairs well with config-generating tools: https://buff.ly/4gxhnU4 #OpenSourceSunday
GitHub - carvel-dev/kapp: kapp is a simple deployment tool focused on the concept of "Kubernetes application" — a set of resources with the same label
kapp is a simple deployment tool focused on the concept of "Kubernetes application" — a set of resources with the same label - carvel-dev/kapp
buff.ly
January 19, 2025 at 9:00 AM
kapp helps Kubernetes users manage resources in bulk as "Kubernetes applications" (by using labels), focusing on diffing, deployment, and deletion. Unlike Helm, it skips YAML templating and package management but pairs well with config-generating tools: https://buff.ly/4gxhnU4 #OpenSourceSunday
k'exp - short for Kubernetes Explorer - helps you understand Kubernetes in a visual way. It is for learning and exploring Kubernetes capabilities as well as for application, controller and operator development: https://buff.ly/3LDfZlq #OpenSourceSunday
GitHub - iximiuz/kexp: k'exp - Kubernetes Explorer
k'exp - Kubernetes Explorer. Contribute to iximiuz/kexp development by creating an account on GitHub.
buff.ly
January 12, 2025 at 9:00 AM
k'exp - short for Kubernetes Explorer - helps you understand Kubernetes in a visual way. It is for learning and exploring Kubernetes capabilities as well as for application, controller and operator development: https://buff.ly/3LDfZlq #OpenSourceSunday
buoy is a declarative TUI dashboard for Kubernetes. You define your dashboard in a JSON file and it will fetch the information from your Kubernetes cluster and build a dashboard for viewing the requested content right in your terminal window: https://buff.ly/3PhpcRJ #OpenSourceSunday
GitHub - everettraven/buoy: A declarative Kubernetes dashboard in your terminal
A declarative Kubernetes dashboard in your terminal - everettraven/buoy
buff.ly
January 5, 2025 at 9:00 AM
buoy is a declarative TUI dashboard for Kubernetes. You define your dashboard in a JSON file and it will fetch the information from your Kubernetes cluster and build a dashboard for viewing the requested content right in your terminal window: https://buff.ly/3PhpcRJ #OpenSourceSunday
Seabird is a Kubernetes IDE designed for easy cluster management with a user-friendly interface. It offers features like a terminal for command execution, monitoring via logs and metrics, and a resource editor with API references:
GitHub - getseabird/seabird: Native Kubernetes desktop IDE designed for seamless cluster exploration
Native Kubernetes desktop IDE designed for seamless cluster exploration - getseabird/seabird
buff.ly
December 29, 2024 at 9:00 AM
Seabird is a Kubernetes IDE designed for easy cluster management with a user-friendly interface. It offers features like a terminal for command execution, monitoring via logs and metrics, and a resource editor with API references:
Cyphernetes is Cypher repurposed for working with the Kubernetes API. It translates quickly and with little friction from whiteboard to code. With a mixture of ascii-art, SQL-esque keywords and jsonPaths, it lets us express Kubernetes CRUD operations in an efficient way:
GitHub - AvitalTamir/cyphernetes: A Kubernetes Query Language
A Kubernetes Query Language. Contribute to AvitalTamir/cyphernetes development by creating an account on GitHub.
buff.ly
December 22, 2024 at 9:00 AM
Cyphernetes is Cypher repurposed for working with the Kubernetes API. It translates quickly and with little friction from whiteboard to code. With a mixture of ascii-art, SQL-esque keywords and jsonPaths, it lets us express Kubernetes CRUD operations in an efficient way:
Cyphernetes repurposes Cypher for the Kubernetes API, enabling efficient translation from whiteboard to code. Combining ASCII-art, SQL-like keywords, and jsonPaths, it facilitates Kubernetes CRUD operations creatively and naturally, and abstracts the API complexity:
GitHub - AvitalTamir/cyphernetes: A Kubernetes Query Language
A Kubernetes Query Language. Contribute to AvitalTamir/cyphernetes development by creating an account on GitHub.
buff.ly
December 15, 2024 at 9:00 AM
Cyphernetes repurposes Cypher for the Kubernetes API, enabling efficient translation from whiteboard to code. Combining ASCII-art, SQL-like keywords, and jsonPaths, it facilitates Kubernetes CRUD operations creatively and naturally, and abstracts the API complexity:
Akri lets you easily expose heterogeneous leaf devices (such as IP cameras and USB devices) as resources in a Kubernetes cluster, while also supporting the exposure of embedded hardware resources such as GPUs and FPGAs: https://buff.ly/3Y97ntl
#kubernetes #clustermanagement #edge #OpenSourceSunday
#kubernetes #clustermanagement #edge #OpenSourceSunday
GitHub - project-akri/akri: A Kubernetes Resource Interface for the Edge
A Kubernetes Resource Interface for the Edge. Contribute to project-akri/akri development by creating an account on GitHub.
buff.ly
December 8, 2024 at 9:00 AM
Akri lets you easily expose heterogeneous leaf devices (such as IP cameras and USB devices) as resources in a Kubernetes cluster, while also supporting the exposure of embedded hardware resources such as GPUs and FPGAs: https://buff.ly/3Y97ntl
#kubernetes #clustermanagement #edge #OpenSourceSunday
#kubernetes #clustermanagement #edge #OpenSourceSunday
Cluster API uses Kubernetes-style APIs and patterns to automate cluster lifecycle management for platform operators. The supporting infrastructure, like virtual machines, networks, load balancers, and VPCs, as well as the Kubernetes cluster configuration are all defined a declarative way.
December 1, 2024 at 9:00 AM
Cluster API uses Kubernetes-style APIs and patterns to automate cluster lifecycle management for platform operators. The supporting infrastructure, like virtual machines, networks, load balancers, and VPCs, as well as the Kubernetes cluster configuration are all defined a declarative way.
Kine is an etcdshim that translates the etcd API. It enables the usage of MySQL, PostgreSQL, sqlite, dqlite instead of etcd as the central database of a Kubernetes cluster: https://buff.ly/4eUatHh
#kubernetes #etcd #mysql #postgresql #cloudnative #opensource #OpenSourceSunday
#kubernetes #etcd #mysql #postgresql #cloudnative #opensource #OpenSourceSunday
GitHub - k3s-io/kine: Run Kubernetes on MySQL, Postgres, sqlite, dqlite, not etcd.
Run Kubernetes on MySQL, Postgres, sqlite, dqlite, not etcd. - k3s-io/kine
buff.ly
November 24, 2024 at 9:00 AM
Kine is an etcdshim that translates the etcd API. It enables the usage of MySQL, PostgreSQL, sqlite, dqlite instead of etcd as the central database of a Kubernetes cluster: https://buff.ly/4eUatHh
#kubernetes #etcd #mysql #postgresql #cloudnative #opensource #OpenSourceSunday
#kubernetes #etcd #mysql #postgresql #cloudnative #opensource #OpenSourceSunday