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  • AI
  • DevOps
  • HomeLab
  • Linux
  • Networking
  • Programming
  • English
    • English
    • Tiếng Việt
    • 日本語
Breakings
Programming tutorial - IT technology blog
Speed Up Python with Numba JIT: Make Heavy Data Processing 100x Faster
September 3, 2026
DevOps tutorial - IT technology blog
CDK for Terraform (CDKTF) with Python: Deploy Cloud Resources Without Writing HCL
September 3, 2026
Programming tutorial - IT technology blog
Clean Up Your Java Code: A Practical Guide to Vavr
September 3, 2026
DevOps tutorial - IT technology blog
Stop Deploying Broken Docker Images: A Guide to Container Structure Tests
September 3, 2026
Programming tutorial - IT technology blog
Mastering Golang Memory Profiling: A Practical Guide with pprof
September 3, 2026
DevOps tutorial - IT technology blog
Stop Storing Secrets in Git: A Guide to 1Password Connect on Kubernetes
September 3, 2026
Networking tutorial - IT technology blog
Building a Network Performance Testbed: High-Speed Testing with TRex on Linux
September 1, 2026
Programming tutorial - IT technology blog
Stop Writing Boilerplate: A Guide to Python Dataclasses, Attrs, and Pydantic
September 1, 2026
Networking tutorial - IT technology blog
Build Your Own Private 5G Network: A Hands-On Guide with Open5GS and srsRAN
September 1, 2026
Programming tutorial - IT technology blog
Mastering Socket.IO in Node.js: Building Secure, Production-Ready Real-Time Apps
September 1, 2026
Networking tutorial - IT technology blog
Posted inNetworking

Eliminate Bufferbloat on Linux: A Guide to SQM and CAKE for Low-Latency Networking

August 21, 2026
Bufferbloat can ruin your network experience even on high-speed connections. This guide walks you through configuring SQM with the CAKE algorithm on Linux to keep your latency low and your gaming/VoIP smooth.
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Database tutorial - IT technology blog
Posted inDatabase

Mastering the MySQL Slow Query Log: Stop Guessing and Start Fixing Production Bottlenecks

August 21, 2026
Is your MySQL database dragging? Learn how to use the Slow Query Log to identify hidden performance bottlenecks, configure logging for production, and use tools like pt-query-digest to speed up your app.
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Programming tutorial - IT technology blog
Posted inProgramming

Stop OOM Crashes: Mastering Go 1.23 Iterators and Range-over-func

August 21, 2026
Go 1.23 introduces range-over-func, a powerful feature that prevents OOM errors by streaming data. Learn how to implement iter.Seq to handle millions of records with constant memory overhead.
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Database tutorial - IT technology blog
Posted inDatabase

Beyond the Redis Hype: When Memcached is the Right Choice for High-Scale Caching

August 21, 2026
A real-world look at solving database bottlenecks using Memcached. Learn why its multithreaded architecture often outperforms Redis for simple, high-volume key-value caching.
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Networking tutorial - IT technology blog
Posted inNetworking

Stopping DHCP Starvation: Hardening Linux Bridges with Snooping and MAC Limits

August 21, 2026
Protect your Linux-based network from DHCP Starvation. Learn to implement DHCP Snooping and MAC limiting on a Linux Bridge using ebtables and iptables.
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Linux tutorial - IT technology blog
Posted inLinux

Stratis Storage on Linux: Smart Disk Management with Auto-Expansion and Compression

August 19, 2026
After a 3 AM disk-full incident on one of my Linux VPS instances, I spent six months running Stratis Storage in production. Here's an honest look at what works, what doesn't, and how it compares to LVM, ZFS, and Btrfs for real-world Linux storage management.
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Database tutorial - IT technology blog
Posted inDatabase

Deploying Milvus on Docker: A Production Guide for Enterprise AI and RAG Applications

August 19, 2026
A hands-on guide to deploying Milvus vector database on Docker, based on six months of production experience running a 50-million-vector RAG pipeline. Covers Standalone setup, configuration tuning for performance, index selection, and monitoring with Attu and Prometheus.
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Database tutorial - IT technology blog
Posted inDatabase

Deploy Airbyte on Docker: Automate ELT Data Sync Across Databases and Warehouses

August 19, 2026
Manual data pipelines between databases and warehouses break down fast as your stack grows. Airbyte on Docker gives you a self-hosted ELT platform with 300+ connectors — this guide walks through deployment, configuring a PostgreSQL source, choosing the right sync mode, and monitoring jobs from day one.
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Database tutorial - IT technology blog
Posted inDatabase

PocketBase Tutorial: Build a Real-Time Database and Backend with a Single Executable File

August 19, 2026
PocketBase bundles a SQLite database, REST API, authentication, file storage, and real-time subscriptions into a single executable file. This tutorial walks you through getting it running in minutes, building collections, handling auth, and deploying to production.
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Linux tutorial - IT technology blog
Posted inLinux

Configuring systemd-oomd on Linux: Proactive Out-of-Memory Handling to Prevent Server Freezes

August 19, 2026
The Linux OOM killer fires too late — by the time it acts, your server is already frozen. After six months running systemd-oomd in production across multiple VPS instances, here's a concrete configuration guide covering PSI thresholds, cgroups v2 setup, and how to protect critical services while sacrificing expendable ones.
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