ITNotes - Page 32 of 143 - From Terminal to Cloud

Networking tutorial - IT technology blog

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.

Database

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.

Programming

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.

Database

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.

Networking

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.

Linux

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.

Database

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.

Database

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.

Database

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.

Linux

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.

Fast LLM Fine-Tuning with Unsloth on Linux: Cut 80% VRAM on Consumer GPUs

Mastering ScyllaDB on Docker: Deploying Ultra-Fast C++ NoSQL for High-Throughput Writes

Building an Internal Developer Portal with Spotify Backstage: Software Catalog, TechDocs, and Platform Automation

Kubernetes Disaster Recovery with Velero and MinIO: Complete Cluster Backup Guide

Build Real-Time Apps with Phoenix LiveView: Server-Side State Without JavaScript

Deploy a TACACS+ Server on Linux with tac_plus: Centralized AAA and Command Authorization

Deploy Immich on Docker: Self-Hosted Google Photos Alternative with AI

GitOps for HomeLab: Automate Kubernetes and K3s Deployments with Argo CD

Structured Data Extraction with BAML and Python: Faster LLM Output and Visual Prompt Testing

Mastering HugePages and Transparent HugePages on Linux for PostgreSQL and Redis

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

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

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

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

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

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

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

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

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

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