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Ops Development Stories

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.

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Latest from Ops Development Stories

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Ops Development Stories

Nov 9, 2023 · Operations

How to Pinpoint Java Out‑Of‑Memory Errors Using jmap and VisualVM

This guide explains why frequent garbage collection and heap memory overflow occur in Java applications, demonstrates how to reproduce the issue with a sample program, and walks through various techniques—including jmap histograms, heap dumps, VisualVM analysis, and remote JMX monitoring—to diagnose and resolve out‑of‑memory errors.

Garbage CollectionHeap DumpJava

0 likes · 9 min read

How to Pinpoint Java Out‑Of‑Memory Errors Using jmap and VisualVM

Ops Development Stories

Oct 31, 2023 · Cloud Native

How KubeVela Enables Seamless GitOps for Multi‑Cloud Application Delivery

This guide explains how KubeVela, as a declarative application delivery control plane, leverages GitOps with FluxCD to provide end‑to‑end workflows, infrastructure and application deployment, multi‑cloud strategies, and automated CI/CD pipelines for both platform operators and developers.

GitOpsKubeVelaKubernetes

0 likes · 23 min read

How KubeVela Enables Seamless GitOps for Multi‑Cloud Application Delivery

Ops Development Stories

Oct 27, 2023 · Cloud Native

Collect Kubernetes Logs with OpenTelemetry and Loki Using Helm

This guide walks through deploying Loki via Helm, configuring the OpenTelemetry Collector to use a filelog receiver and Loki exporter, and enabling Kubernetes event collection, providing step‑by‑step commands and YAML snippets for a complete logging pipeline in a Kubernetes cluster.

CollectorKubernetesLoki

0 likes · 17 min read

Collect Kubernetes Logs with OpenTelemetry and Loki Using Helm

Ops Development Stories

Oct 12, 2023 · Cloud Native

How to Monitor Kubernetes with OpenTelemetry Collector: Step‑by‑Step Helm Deployment

This guide walks through installing OpenTelemetry Collector on a Kubernetes cluster using Helm, configuring DaemonSet and Deployment collectors, integrating Prometheus for metrics, and customizing receivers, processors, and exporters to achieve comprehensive observability of nodes, pods, containers, and cluster resources.

KubernetesObservabilityOpenTelemetry

0 likes · 26 min read

How to Monitor Kubernetes with OpenTelemetry Collector: Step‑by‑Step Helm Deployment

Ops Development Stories

Sep 15, 2023 · Frontend Development

Streamline Frontend Development with Husky, lint‑staged, ESLint, and Prettier

This guide walks through automating frontend development tasks—using Husky for Git hooks, lint‑staged for staged file filtering, commitlint for standardized commit messages, ESLint and @typescript-eslint for code checking, and Prettier for formatting—providing installation commands, configuration snippets, and practical usage tips for React + TypeScript projects.

ESLintFrontendGit

0 likes · 10 min read

Streamline Frontend Development with Husky, lint‑staged, ESLint, and Prettier

Ops Development Stories

Sep 12, 2023 · Backend Development

Mastering Nginx: Two Common HTTP‑to‑HTTPS Redirect Scenarios Explained

This guide walks through the two most typical Nginx HTTP‑to‑HTTPS redirection setups—direct client access and proxy‑mediated access—showing why the simple 301 rule works in the first case, why it fails with an upstream proxy, and how to correctly use request headers and Nginx variables to achieve reliable redirects.

ProxyRedirectheader

0 likes · 6 min read

Mastering Nginx: Two Common HTTP‑to‑HTTPS Redirect Scenarios Explained

Ops Development Stories

Sep 8, 2023 · Cloud Native

Why Containerd Beats Docker: Understanding Container Runtimes in Kubernetes

Container runtimes are essential for managing containers in Kubernetes, and this article explains their core functions, compares Docker and containerd, details the CRI interface, explores supported backends, and provides practical command references to help you choose the optimal runtime for cloud‑native deployments.

CRIDockerKubernetes

0 likes · 11 min read

Why Containerd Beats Docker: Understanding Container Runtimes in Kubernetes

Ops Development Stories

Sep 7, 2023 · Frontend Development

How to Containerize a React Frontend with Docker, GitHub Actions, and Kubernetes

This guide explains how to containerize a React front‑end application using Docker, set up CI/CD pipelines with GitHub Actions, optimize builds with pnpm caching and buildx for multi‑architecture images, inject environment variables, and deploy the resulting container to Kubernetes.

ContainerizationFrontendReAct

0 likes · 22 min read

How to Containerize a React Frontend with Docker, GitHub Actions, and Kubernetes

Ops Development Stories

Sep 6, 2023 · Operations

How to Enrich Nightingale Alerts with Pending Count, Recovery Value, and Direct Links

This guide explains how to customize Nightingale monitoring alerts to include the number of pending alerts, the recovery metric value, and a link to view active alerts, using a small Python script, webhook integration, and template modifications, along with necessary database queries and Prometheus API calls.

Monitoringcloud-nativewebhook

0 likes · 12 min read

How to Enrich Nightingale Alerts with Pending Count, Recovery Value, and Direct Links

Ops Development Stories

Sep 1, 2023 · Cloud Native

Ingest Metrics, Traces, Alerts into OpenObserve with Prometheus & OpenTelemetry

This guide demonstrates how to collect and store metrics, traces, and alerts in OpenObserve by configuring Prometheus remote_write, integrating OpenTelemetry SDKs and Collector, and setting up alert templates and destinations, complete with Kubernetes deployment examples, dashboard creation, and query techniques.

KubernetesOpenTelemetryPrometheus

0 likes · 10 min read

Ingest Metrics, Traces, Alerts into OpenObserve with Prometheus & OpenTelemetry