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Practical DevOps Architecture

Hands‑on DevOps operations using Docker, K8s, Jenkins, and Ansible—empowering ops professionals to grow together through sharing, discussion, knowledge consolidation, and continuous improvement.

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Latest from Practical DevOps Architecture

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Practical DevOps Architecture

Jul 8, 2025 · Big Data

Master High‑Performance E‑Commerce Search with Elasticsearch & SpringBoot

This comprehensive course teaches developers how to design and implement a high‑throughput, scalable search engine for e‑commerce platforms using Elasticsearch and SpringBoot, covering architecture, data modeling, performance tuning, and advanced features such as autocomplete, fuzzy correction, price filtering, and sales reporting.

ElasticsearchSpringBootdistributed systems

0 likes · 8 min read

Master High‑Performance E‑Commerce Search with Elasticsearch & SpringBoot

Practical DevOps Architecture

Jul 8, 2025 · Operations

Master Filebeat: Complete Configuration Guide for Log Shipping

This article provides a complete Filebeat configuration example, covering input settings for log files, field definitions, multiline handling, module loading, Elasticsearch output parameters, index naming, authentication, and processors for field cleanup, enabling efficient log collection and indexing in Elastic Stack environments.

FilebeatLog Shippingoperations

0 likes · 2 min read

Master Filebeat: Complete Configuration Guide for Log Shipping

Practical DevOps Architecture

Jul 4, 2025 · Operations

How to Configure Logstash to Ship Logs to Alibaba Cloud OSS

This guide walks you through installing Logstash and the logstash-output-oss plugin, then shows a complete logstash.conf that reads from Kafka, filters and enriches events, and outputs them to Alibaba Cloud OSS with compression, rotation, and recovery settings.

ConfigurationKafkaLog Shipping

0 likes · 3 min read

How to Configure Logstash to Ship Logs to Alibaba Cloud OSS

Practical DevOps Architecture

Jul 4, 2025 · Operations

How to Automatically Delete Old UAT Elasticsearch Indices with Python

This guide shows how to use a Python script with the Elasticsearch client to connect to a cluster, identify UAT indices older than a specified date, and safely delete them while logging each step for audit and troubleshooting.

AutomationElasticsearchIndex Management

0 likes · 4 min read

How to Automatically Delete Old UAT Elasticsearch Indices with Python

Practical DevOps Architecture

Jun 19, 2025 · Operations

How to Set Shanghai Timezone on Ubuntu and Keep It Persistent

This guide shows how to configure Ubuntu to use the Shanghai time zone with timedatectl, synchronize the clock via Alibaba Cloud's NTP server, write the current time to the BIOS using hwclock, and verify the settings with date -R, ensuring accurate time after reboots.

TimezoneUbuntuhwclock

0 likes · 2 min read

How to Set Shanghai Timezone on Ubuntu and Keep It Persistent

Practical DevOps Architecture

Jun 19, 2025 · Cloud Native

Interactive Bash Script for Quick Kubernetes Pod Access

This script checks for kubectl, validates the kubeconfig, lets you choose a namespace and pod, selects a shell, and then runs kubectl exec to open an interactive terminal inside the chosen Kubernetes pod.

Kubernetesbashcloud-native

0 likes · 4 min read

Interactive Bash Script for Quick Kubernetes Pod Access

Practical DevOps Architecture

May 29, 2025 · Databases

Quick Solutions for MySQL Table Locks

This guide outlines a step‑by‑step method to diagnose and release MySQL table locks by checking open tables, inspecting running processes, querying InnoDB transaction and lock tables, and generating KILL statements to terminate blocking sessions.

Database AdministrationMySQLSQL

0 likes · 3 min read

Practical DevOps Architecture

May 20, 2025 · Databases

Comprehensive Guide to Using mysqldump for MySQL Backup and Restore

This article explains what mysqldump is, describes its backup mechanism, lists command‑line options with detailed meanings, provides example commands for exporting databases or tables, and shows how to restore data using both system and source commands.

BackupMySQLRestore

0 likes · 8 min read

Comprehensive Guide to Using mysqldump for MySQL Backup and Restore

Practical DevOps Architecture

May 20, 2025 · Operations

Understanding Netcat (nc): Functions, Common Parameters, and UDP Connectivity Test

This article explains what netcat (nc) is, outlines its primary functions such as listening on TCP/UDP ports, scanning, file transfer and speed testing, details common command‑line options, and demonstrates how to test UDP connectivity with an example command.

Command LineUDP testingnc

0 likes · 3 min read

Understanding Netcat (nc): Functions, Common Parameters, and UDP Connectivity Test

Practical DevOps Architecture

May 20, 2025 · Cloud Computing

Understanding and Monitoring CPU Steal Time in Virtual Machines

This article explains what CPU steal time is, how to view it with the GNU top command, why it occurs in virtualized environments, and provides practical guidelines for interpreting and addressing high steal‑time values to ensure stable cloud VM performance.

CPU Steal TimePerformance Monitoringcloud computing

0 likes · 4 min read

Understanding and Monitoring CPU Steal Time in Virtual Machines