Skip to content
ITNotes

ITNotes

From Terminal to Cloud

  • AI
  • DevOps
  • HomeLab
  • Linux
  • Networking
  • Programming
  • English
    • English
    • Tiếng Việt
    • 日本語
  • 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
Programming tutorial - IT technology blog
Posted inProgramming

Beyond the SPA: Why We Switched to Nuxt 3, Pinia, and SSR for Production

June 14, 2026
Transitioning from Vue 2 SPAs to Nuxt 3 can fix your SEO and performance woes. Discover how the Composition API and Pinia create a more maintainable, production-ready stack.
Read More
DevOps tutorial - IT technology blog
Posted inDevOps

Beyond 100% Uptime: A No-Nonsense Guide to Error Budgets

June 14, 2026
Error Budgets aren't just metrics—they are a social contract between Dev and Ops. Learn how to calculate SLOs, track burn rates, and implement a policy that balances feature speed with system reliability.
Read More
Networking tutorial - IT technology blog
Posted inNetworking

Active Network Service Monitoring with Prometheus Blackbox Exporter: HTTP, TCP, DNS, and ICMP Without Agents

June 13, 2026
Prometheus Blackbox Exporter lets you actively monitor HTTP endpoints, TCP ports, DNS records, and ICMP connectivity from the outside — no agents or code changes required. This guide covers setup, all four probe types, Prometheus relabeling configuration, and practical production tips from six months of real-world usage.
Read More
Networking tutorial - IT technology blog
Posted inNetworking

Automate Network Device Config Backups with Oxidized: Git-Tracked History for Every Switch and Router Change

June 13, 2026
Oxidized is a lightweight daemon that polls your network devices, captures running configs, and commits any change to Git — building a complete version history across every switch and router you manage. This guide covers installation, device inventory setup, Git backend configuration, and credential hardening for production.
Read More
Linux tutorial - IT technology blog
Posted inLinux

Systemd Socket Activation: On-Demand Service Startup to Optimize Linux Boot and Resources

June 13, 2026
Systemd socket activation lets services start only when a client connects — cutting boot time and saving RAM for services that rarely run. This guide covers quick setup, configuration options, advanced multi-tenant patterns, and field-tested debugging techniques for getting socket activation right before it hits production.
Read More
Linux tutorial - IT technology blog
Posted inLinux

Fixing Linux Filesystem Errors with fsck and e2fsck: Safe Recovery from Corrupted Partitions

June 13, 2026
Power loss, bad sectors, or an abrupt reboot mid-write can all corrupt a Linux ext4 filesystem. This guide compares fsck, e2fsck, and debugfs, explains when to reach for each one, and covers a complete recovery workflow from diagnosis to verification — including backup superblock recovery and file extraction from severely damaged partitions.
Read More
Networking tutorial - IT technology blog
Posted inNetworking

Configuring MPLS and LDP on Linux with FRRouting: Build a Label-Switched Network in Your HomeLab

June 13, 2026
A hands-on guide to configuring MPLS forwarding and LDP on Linux using FRRouting. Covers kernel setup, a full 3-router LSP lab, label verification commands, and practical debugging tips for HomeLab environments.
Read More
Database tutorial - IT technology blog
Posted inDatabase

PostgreSQL Database Design Patterns: Polymorphic Association vs EAV vs JSONB for Flexible Schema

June 13, 2026
Comparing Polymorphic Association, EAV, and JSONB in PostgreSQL for flexible schema design — from a real 2 AM production incident. Includes migration guide from EAV to JSONB and practical code examples.
Read More
Linux tutorial - IT technology blog
Posted inLinux

Linux Locale, Encoding, and Timezone: UTF-8 and Multi-Region Server Configuration Guide

June 13, 2026
Misconfigured locale and timezone are behind countless production bugs — from garbled non-ASCII characters to log timestamps that are hours off. This guide walks through setting up UTF-8 locale, system timezone, and correct encoding for Python scripts and systemd services on Ubuntu, RHEL, and inside Docker containers.
Read More
Database tutorial - IT technology blog
Posted inDatabase

PostgreSQL as a Graph Database: 6 Months with Apache AGE

June 13, 2026
Ditch the complex recursive CTEs. Discover how to use Apache AGE to run openCypher graph queries directly inside your PostgreSQL database for better performance and cleaner code.
Read More

Posts pagination

Previous page 1 … 30 31 32 33 34 … 119 Next page
Copyright 2026 — ITNotes. All rights reserved.
Privacy Policy | Terms of Service | Contact: [email protected] DMCA.com Protection Status
Scroll to Top