This article demonstrates how to use Spring Boot 3 Actuator together with Prometheus and Grafana to monitor JVM, Tomcat, database, Redis, and remote HTTP calls, providing real‑time metrics that help detect bottlenecks, optimize resources, and ensure stable performance under high load.
This guide explains why projects often fail, defines project management, and walks through the five essential phases—initiation, planning, execution, monitoring, and closure—providing practical steps, key metrics, and visual tools to help teams deliver results on time, within budget, and with quality.
This article presents a comprehensive, scenario‑driven toolbox for operations engineers, covering core SSH utilities, monitoring stacks, automation platforms, log management, network diagnostics, and emerging AI‑augmented practices to help teams select the right tools for modern infrastructure.
This article introduces the lightweight command‑line tool dish, explains its core features such as one‑time socket health checks, remote configuration, concurrent testing, zero dependencies, multiple notification methods, caching, and provides installation steps, usage examples, and a comprehensive flag reference for efficient operations monitoring.
This guide presents ten practical shell script examples for operations engineers, covering file consistency checks, colored output functions, FTP downloads, package verification, service status monitoring, host reachability, resource utilization alerts, batch disk usage monitoring, website availability testing, and MySQL master‑slave synchronization, all with full code snippets.
This comprehensive guide presents 100 essential operations engineering topics—from OS fundamentals and networking to automation, cloud‑native architectures, monitoring, security, databases, virtualization, and incident response—helping professionals stay current and boost system reliability in a rapidly evolving IT landscape.
This article outlines the most important Linux log files under /var/log, explains what each records—from system and kernel messages to authentication, web server, database, and firewall events—and shows practical commands for inspecting them, helping SREs improve fault detection and system observability.
LLMOps, the end-to-end methodology for managing large language models, encompasses a curated set of development, deployment, monitoring, and local management tools—such as LangChain, vLLM, LangSmith, and Ollama—enabling practitioners to efficiently build, scale, and maintain AI applications.
This guide outlines a comprehensive, low‑cost monitoring solution using open‑source tools like Prometheus, Node Exporter, cAdvisor, and Grafana, covering architecture design, deployment steps, cost estimation, risk mitigation, and benefits for small‑to‑medium enterprises.
This article outlines a comprehensive approach to online stability, covering preventive measures, service governance, capacity planning, incident detection, multi‑dimensional monitoring, alerting, R&D efficiency improvements, team building, and practical guidelines for simplifying, standardizing, automating, and scaling stability initiatives across an organization.
This article introduces ten indispensable tools for operations engineers, detailing each tool's functionality, ideal use cases, key advantages, and real‑world examples, plus code snippets and visual illustrations to help you choose the right solution for automation, monitoring, configuration, and container management.
Understanding system health is essential for reliable services, and this guide explains how to use powerful monitoring tools to collect, visualize, and alert on the four golden signals—latency, traffic, errors, and saturation—across servers, applications, and external dependencies, helping teams detect and resolve issues efficiently.
A comprehensive collection of Bash scripts demonstrates how to verify file consistency across servers, automate log rotation, monitor network traffic, manage users and passwords, detect service failures, and enforce security policies, providing practical solutions for everyday Linux system administration tasks.
A curated collection of ready‑to‑use Bash scripts that help you monitor MySQL replication, track directory changes, batch‑create users, detect website issues, execute remote commands, deploy LNMP stacks, check server resource usage, identify high‑load processes, and automate Java or PHP project releases.
This article compares Thanos and VictoriaMetrics as Prometheus long‑term storage solutions, evaluating their architectures, write and read paths, reliability, data consistency, performance, scalability, high‑availability, and cost to help you choose the best fit for your monitoring stack.
This guide outlines a comprehensive, step‑by‑step strategy for creating a highly available, secure, and scalable website—from buying and protecting multiple domains, configuring DNS and CDN, setting up image and database servers, to implementing monitoring, redundancy, high‑concurrency testing, and disaster‑recovery plans.
This article explains why low‑disk alerts demand automation, outlines the concept of fault self‑healing versus manual response, and provides practical guidelines—including standards, monitoring dimensions, CMDB integration, script execution tools, and notification channels—to build a reliable self‑healing system for large‑scale environments.
This article explains the role of an operations (运维) engineer, covering daily responsibilities, essential knowledge such as Linux and networking, common monitoring tools, and emerging career paths like DevOps, AIOps, and SRE, helping newcomers understand how to start and grow in the field.
This guide walks you through why GPT‑4 outperforms GPT‑3.5, shows step‑by‑step how to create a Zabbix expert consultant using the new GPTs feature, and explains advanced configuration, knowledge‑base feeding, testing, and future possibilities for AI‑enhanced monitoring.
This comprehensive guide walks you through Zabbix monitoring concepts, reliability calculations, installation methods, web UI configuration, host and template management, custom monitoring, alert integration with OneAlert, Grafana visualization, distributed monitoring, SNMP support, and practical scripts for large‑scale server environments.