ITFROMZERO – Share tobe shared!

Mastering Subprocess in Python: Don’t Let Your Scripts Crash Due to os.system

By admin June 6, 2026

Learn how to use subprocess instead of os.system to run system commands safely, handle output intelligently, and avoid shell injection security risks.

Python

Automating AWS S3 with Boto3: Don’t Let File Management Become a Nightmare

By admin June 6, 2026

Managing millions of files on AWS S3 no longer has to be a nightmare. Discover how to use Boto3 Python to automate uploads, downloads, and optimize performance with Multipart Upload.

VMware

Automating VMware vSphere with Ansible: From ‘Manual Clicks’ to Infrastructure as Code

By admin June 6, 2026

A complete guide to automating VMware vSphere with Ansible. Learn how to set up pyVmomi, write Playbooks for bulk VM deployment, and manage an 8-host cluster efficiently.

MySQL

MySQL 8 Check Constraints: Stop Junk Data at the Gate

By admin June 6, 2026

MySQL 8.0.16 finally enforces Check Constraints. Discover how to set up the final layer of data security to prevent input errors and reduce backend overhead.

Network

Configuring Dante SOCKS5 Proxy on Linux: 6 Months of ‘Real-World’ Experience and Hard-Learned Lessons

By admin June 6, 2026

Practical experience installing and optimizing Dante SOCKS5 Proxy for a team of 50. This guide covers ACL configuration, user security, and avoiding common log file or DNS leak issues.

Ubuntu

HAProxy: Complete Guide to Layer 7 Web Load Balancing on Ubuntu

By admin June 6, 2026

Don't let a single server carry the entire load. Learn how to configure HAProxy Layer 7 on Ubuntu to manage millions of requests, handle Sticky Sessions, and monitor backends effectively.

Artificial Intelligence tutorial - IT technology blog

Streamlining AI Agents with Smolagents: A Lightweight Automation ‘Weapon’ for DevOps

By admin June 6, 2026

Don't let heavy AI frameworks slow down your workflow. Smolagents helps you build lightweight AI agents that execute Python code directly to handle real-world tasks with just a few lines of code.

Git

Stop Manual Versioning! Automate Your Version Strings with git describe

By admin June 6, 2026

Forget manual versioning! Learn how to use git describe to automatically generate professional version strings from commit history, making your CI/CD workflow more accurate and effortless.

Python

match-case in Python 3.10: Replacing Nested if-else with Structural Pattern Matching

By admin June 5, 2026

After 6 months of using Python match-case in production, I've found that Structural Pattern Matching shines brightest when processing dicts, dataclasses, and responses with multiple structural variants. This post compares if-else and match-case with real-world examples, analyzes when to use each, and covers the most common patterns.

MySQL

Optimizing Temporary Tables in MySQL: Preventing I/O Bottlenecks When Processing Complex Queries

By admin June 5, 2026

Temporary tables in MySQL spilling to disk are a silent culprit behind slow queries and disk I/O spikes. This article breaks down the root cause, how to diagnose it using SHOW STATUS and EXPLAIN, and practical solutions ranging from increasing tmp_table_size to rewriting queries and adding the right indexes.

Installing and Managing Fedora Onyx: Experience the “Immutable” OS with Budgie Desktop

Fedora AI Lab Setup Guide: Building a Professional Machine Learning Environment Without CUDA Errors

Modular Monolith with Node.js: A Lifesaver for Projects Before Considering Microservices

Design APIs Effortlessly with TypeSpec: Say Goodbye to Maintaining Thousand-Line OpenAPI Files

Stop ‘Snail-Paced’ Code with Lighthouse CI and GitHub Actions

Defeating SQL Injection in MySQL Production using ProxySQL Firewall

Automating PostgreSQL Partitioning with pg_partman: A Lifesaver for Terabyte-Scale Tables

Netdisco: Effortless Network Topology Automation and Switch Port Management

Snapshot Testing with Pytest-snapshot: Stop Struggling with Manual Assertions

Say Goodbye to Passwords: Implementing Magic Links with Node.js and Nodemailer

Mastering Subprocess in Python: Don’t Let Your Scripts Crash Due to os.system

Automating AWS S3 with Boto3: Don’t Let File Management Become a Nightmare

Automating VMware vSphere with Ansible: From ‘Manual Clicks’ to Infrastructure as Code

MySQL 8 Check Constraints: Stop Junk Data at the Gate

Configuring Dante SOCKS5 Proxy on Linux: 6 Months of ‘Real-World’ Experience and Hard-Learned Lessons

HAProxy: Complete Guide to Layer 7 Web Load Balancing on Ubuntu

Streamlining AI Agents with Smolagents: A Lightweight Automation ‘Weapon’ for DevOps

Stop Manual Versioning! Automate Your Version Strings with git describe

match-case in Python 3.10: Replacing Nested if-else with Structural Pattern Matching

Optimizing Temporary Tables in MySQL: Preventing I/O Bottlenecks When Processing Complex Queries