Author

DevOps Operations Practice

We share professional insights on cloud-native, DevOps & operations, Kubernetes, observability & monitoring, and Linux systems.

165

Articles

Likes

815

Views

Comments

Latest from DevOps Operations Practice

100 recent articles max

DevOps Operations Practice

Jul 7, 2025 · Information Security

Master TCPDump: Install, Capture, Filter, and Analyze Network Packets on Linux

This guide explains how to install TCPDump on various platforms, list network interfaces, capture traffic, apply filters by IP, port, or protocol, save and read capture files, and use advanced options like limiting packet count and displaying packet contents, empowering network and security professionals.

network capturepacket analysistcpdump

0 likes · 5 min read

Master TCPDump: Install, Capture, Filter, and Analyze Network Packets on Linux

DevOps Operations Practice

Jun 30, 2025 · Big Data

Master Elasticsearch: Core Features, Basic Operations, and Advanced Search Techniques

Elasticsearch, built on Lucene, is a distributed search and analytics engine offering full-text search, log and metric analysis, real-time data processing, and recommendation capabilities; the guide explains its core functions, basic index and document management, and advanced query and aggregation features with practical API examples.

APIDistributed ArchitectureElasticSearch

0 likes · 5 min read

Master Elasticsearch: Core Features, Basic Operations, and Advanced Search Techniques

DevOps Operations Practice

Jun 20, 2025 · Databases

Master MySQL: Essential Commands, Queries, and Optimization Techniques

Learn essential MySQL commands—from connecting and managing databases, tables, and users to performing CRUD operations, advanced queries, indexing, and backup/restore—along with practical code examples and optimization tips, enabling you to efficiently handle relational data in real‑world applications.

BackupCRUDMySQL

0 likes · 6 min read

Master MySQL: Essential Commands, Queries, and Optimization Techniques

DevOps Operations Practice

Jun 16, 2025 · Cloud Native

Mastering Kubernetes: 6 Essential Tools for Cluster Management

This article introduces six indispensable tools—kubectl, Helm, Prometheus + Grafana, Istio, Velero, and K9s—that simplify Kubernetes cluster management by covering resource handling, monitoring, networking, security, backup, and interactive UI, helping readers efficiently operate production‑grade clusters.

Cloud Nativecluster-managementdevops

0 likes · 7 min read

Mastering Kubernetes: 6 Essential Tools for Cluster Management

DevOps Operations Practice

Jun 11, 2025 · Operations

Ops vs DevOps vs SRE: Which Role Matches Your Career Goals?

This article compares traditional Operations (Ops), DevOps, and Site Reliability Engineering (SRE) by outlining their definitions, core responsibilities, typical technology stacks, and career considerations, helping readers understand the distinct philosophies and choose the path that best fits their interests and market demand.

SREcareertechnology stack

0 likes · 6 min read

Ops vs DevOps vs SRE: Which Role Matches Your Career Goals?

DevOps Operations Practice

Jun 7, 2025 · Operations

How Ops Professionals Can Reach a 300k Annual Salary: Real‑World Tips

This article compiles practical advice from experienced operations engineers on the challenges and strategies for achieving a 300,000 CNY yearly salary, covering skill development, career moves, company size, automation, and the evolving role of SRE/DevOps.

SREcareerdevops

0 likes · 6 min read

How Ops Professionals Can Reach a 300k Annual Salary: Real‑World Tips

DevOps Operations Practice

Jun 3, 2025 · Operations

7 Practical Shell Scripts for Linux Automation

This article presents seven practical Bash shell scripts for Linux system administration, covering automatic file backup, disk usage alerts, old log cleanup, server reachability checks, DNS resolution monitoring, HTTP service health checks, and random password generation, each with explanations and code examples.

BackupDisk usage alertNetwork health check

0 likes · 6 min read

7 Practical Shell Scripts for Linux Automation

DevOps Operations Practice

May 21, 2025 · Operations

Prometheus vs Zabbix: Architecture, Data Collection, Storage, and Alerting Comparison for Enterprise IT Operations

This article compares Prometheus and Zabbix across architecture design, data collection methods, storage engines, scalability, deployment complexity, alerting mechanisms, and suitable scenarios, helping operations teams choose the most appropriate monitoring solution for cloud‑native or traditional enterprise environments.

ComparisonIT OperationsZabbix

0 likes · 7 min read

Prometheus vs Zabbix: Architecture, Data Collection, Storage, and Alerting Comparison for Enterprise IT Operations

DevOps Operations Practice

May 6, 2025 · Operations

Kubernetes Certificate Management: Common Pitfalls, Detection Methods, and Renewal Procedures

This article explains why Kubernetes certificates often become hidden "time bombs," describes the typical failures caused by expired certificates, and provides practical methods to detect upcoming expirations and safely renew or replace them to keep clusters running smoothly.

certificate-managementkubeadmkubernetes

0 likes · 6 min read

Kubernetes Certificate Management: Common Pitfalls, Detection Methods, and Renewal Procedures

DevOps Operations Practice

Apr 11, 2025 · Operations

Promtool: A Complete Guide to Configuration Validation, Rule Checking, TSDB Management, and Debugging for Prometheus

This article introduces Promtool, the multifunctional command‑line utility bundled with Prometheus, and explains how to validate configurations, check and test rules, query metrics, manage the TSDB, run unit tests, use debugging helpers, install the tool, and apply best‑practice recommendations.

Configuration ValidationDebuggingPromtool

0 likes · 5 min read

Promtool: A Complete Guide to Configuration Validation, Rule Checking, TSDB Management, and Debugging for Prometheus