Maintained by a like‑minded team, covering both operations and development. Topics span Linux ops, DevOps toolchain, Kubernetes containerization, monitoring, log collection, network security, and Python or Go development. Team members: Qiao Ke, wanger, Dong Ge, Su Xin, Hua Zai, Zheng Ge, Teacher Xia.
This guide walks you through constructing a complete GitOps‑based CI/CD pipeline using GitLab, GitLab Runner on Kubernetes, Maven, SonarQube, Harbor, Argo CD, and Kustomize, covering code commit, build, test, image publishing, automated deployments, and advanced rollout strategies such as blue‑green and canary releases.
Learn step‑by‑step how to install NVIDIA’s GPU‑operator on a Kubernetes cluster, configure GPU nodes, deploy a Blender workload for GPU‑accelerated rendering, monitor GPU metrics, and troubleshoot common issues, enabling seamless GPU scheduling and graphics rendering in cloud‑native environments.
This article walks through deploying the open‑source LLM serving tool Ollama and the Open‑WebUI interface on a Kubernetes cluster using Helm, covering GPU considerations, configuration files, service exposure, and model management with practical code examples.
This article explains why organizations adopt multi‑cluster Kubernetes for high availability, hybrid‑cloud scaling, and fault isolation, outlines the preparatory steps, compares Federation v1 and v2, introduces Karmada as a CNCF project, and shares practical non‑federated deployment, monitoring, traffic management, and migration techniques with code examples.
This article explains how Ceph cache pools work, compares read‑only and write‑back cache types, provides step‑by‑step commands for creating and configuring cache pools, adjusting CRUSH rules to target SSDs, and outlines safe removal procedures for both cache modes.
This guide explains role‑based access control (RBAC), shows how to map users to roles and permissions, and provides a complete Jenkins pipeline example—including role configuration, permission assignment, and validation—for admin, development, and operations teams.
This tutorial walks through using the Ruoyi project to set up a full CI/CD pipeline with Jenkins, custom Docker base images, Kubernetes deployments, and automated notifications, covering environment preparation, pipeline design, Dockerfile creation, Jenkins configuration, GitLab webhooks, and deployment verification across DEV, UAT, and PROD stages.
This article explains how Kubernetes assigns unique IP addresses to Pods using Flannel as the CNI network provider and Containerd as the container runtime, covering underlying concepts like Linux bridges, VXLAN encapsulation, node IPAM, and the interactions among kubelet, CRI, and CNI plugins.
This guide walks you through Kyverno, the CNCF‑graduated Kubernetes policy engine, covering its architecture, high‑availability installation, creation of validation, mutation, generation, and cleanup policies, as well as advanced features like variables, JMESPath expressions, and integration with Helm and the Kyverno Playground.
The article analyzes a recent Tencent Cloud outage, detailing the specific API failures, contrasting the limited impact on IaaS services with widespread PaaS disruptions, and argues for multi‑cloud redundancy while critiquing sensationalist news and outdated status‑page expectations.
