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pg_cron: Schedule Automated Jobs Inside PostgreSQL Without System Cron

By admin June 23, 2026

pg_cron is an extension that lets you schedule recurring jobs directly inside PostgreSQL without needing system cron or pgAgent. This article walks through installation, creating jobs for log cleanup and materialized view refreshes, and practical tips for managing jobs effectively.

Python

Building Professional Desktop Applications with Python and PySide6: From Qt Designer to Advanced Event Handling

By admin June 23, 2026

A practical guide to building desktop applications with Python PySide6 — from designing the UI in Qt Designer and handling events with Signal/Slot, to organizing production-ready code and packaging it into an executable. Based on six months of real-world experience.

Development

Mock Service Worker (MSW): Simulate APIs for Frontend — Stop Waiting on Backend

By admin June 23, 2026

Mock Service Worker (MSW) lets frontend developers intercept APIs at the network level — no need for the backend to be up and running to develop and test. This guide covers installation, writing handlers, and integrating MSW into both dev environments and unit tests.

Ubuntu

Automating Ubuntu Security Patches: How to Use unattended-upgrades Effectively

By admin June 23, 2026

Configure unattended-upgrades to automatically install security patches on Ubuntu, reducing your attack surface and saving time on routine server administration.

Docker

Professional Production Dockerization for Laravel: Multi-stage Build, Worker, and Scheduler

By admin June 22, 2026

Learn how to professionally Dockerize Laravel using Multi-stage builds. Isolate PHP-FPM, Nginx, Worker, and Scheduler to optimize performance and image size for production.

Docker

Docker & OpenTelemetry: Comprehensive Microservices Monitoring Without Touching Code

By admin June 22, 2026

Integrate OpenTelemetry into Docker for comprehensive Microservices monitoring. Detailed guide on using Auto-instrumentation to collect Traces/Metrics without modifying code.

Python

Mastering psutil: The Ultimate ‘Weapon’ for System Monitoring with Python

By admin June 22, 2026

Server crashing due to memory leaks? Discover how to use psutil in Python to build automated monitoring systems and manage CPU, RAM, and Disk like a pro.

Git

Configuring .git-blame-ignore-revs: Don’t Let Prettier “Steal Credit” from Your Colleagues

By admin June 22, 2026

Stop letting formatting commits clutter your code history. Learn how to configure .git-blame-ignore-revs to find the logic author in seconds.

Fedora

Build Standard RPMs with Mock: Solving the “Works on My Machine” Problem for Good

By admin June 22, 2026

Stop letting "it works on my machine" bugs haunt you. Learn to use Mock on Fedora to build RPMs in a clean, isolated, and professional chroot environment.

Security

Beyond authorized_keys: Using SSH CA for Centralized Server Access Management

By admin June 22, 2026

Manage hundreds of servers with ease using SSH Certificate Authority (SSH CA). A perfect alternative to traditional Public Keys, enabling instant access revocation and maximum security.

Deploying MySQL 8 on Fedora Server: Production Configuration Guide and SELinux Troubleshooting

Vagrant + KVM/Libvirt: How to Double Your VM Speed on Linux

Gitolite: Ultra-lightweight Git Server Management for 1GB RAM VPS

MongoDB + Python: From Basic CRUD to Advanced Aggregation with PyMongo

Guide to Using git-sizer: “Rescuing” Bloated and Sluggish Git Repositories

Process Python Data Like a Pro with Counter, defaultdict, and deque

VMware vSphere NIOC Configuration Guide: Eliminating Noisy Neighbors and Optimizing Bandwidth

Deploying Metabase with Docker: A Self-Service BI Solution to Replace Manual Data Extraction

Packaging Linux Applications: A Complete Guide to flatpak-builder on Fedora

MySQL 9.0 and VECTOR: Embedding Storage Solution for AI Apps Without a Secondary DB

pg_cron: Schedule Automated Jobs Inside PostgreSQL Without System Cron

Building Professional Desktop Applications with Python and PySide6: From Qt Designer to Advanced Event Handling

Mock Service Worker (MSW): Simulate APIs for Frontend — Stop Waiting on Backend

Automating Ubuntu Security Patches: How to Use unattended-upgrades Effectively

Professional Production Dockerization for Laravel: Multi-stage Build, Worker, and Scheduler

Docker & OpenTelemetry: Comprehensive Microservices Monitoring Without Touching Code

Mastering psutil: The Ultimate ‘Weapon’ for System Monitoring with Python

Configuring .git-blame-ignore-revs: Don’t Let Prettier “Steal Credit” from Your Colleagues

Build Standard RPMs with Mock: Solving the “Works on My Machine” Problem for Good

Beyond authorized_keys: Using SSH CA for Centralized Server Access Management