admin – Page 11 – ITFROMZERO

Pro-Level Python Config Management with Dynaconf: From .env Files to Redis/Vault

By admin August 1, 2026

Python config management has never been easier. Learn how to use Dynaconf for multi-environment management, data security, and professional Redis/Vault integration.

VMware

Troubleshooting Purple Screen of Death (PSOD) on VMware ESXi: From Diagnosis to Root Cause Resolution

By admin August 1, 2026

Don't panic when you see a Purple Screen of Death (PSOD) on VMware ESXi. This guide helps you configure Core Dumps, read driver error codes, and pinpoint hardware failures to recover your system quickly.

MySQL

High-Speed MySQL Backup & Restore: Reducing Time from 15 Hours to 2 Hours with Mydumper

By admin August 1, 2026

Large MySQL database running slow with mysqldump? Discover how to use mydumper and myloader for multi-threaded backups, cutting recovery time by up to 80%.

VMware

Goodbye “Click-ops”: Automating VMware vSphere with Terraform

By admin August 1, 2026

Learn how to automate VMware vSphere virtual machine deployment with Terraform. Move beyond manual tasks toward a professional Infrastructure as Code (IaC) mindset.

Security

Stop Ransomware with Immutable Backups: Combining Rclone and S3 Object Lock

By admin August 1, 2026

Learn how to set up Immutable Backups on Linux using Rclone and S3 Object Lock. The ultimate data protection solution to prevent hackers from deleting backups even with root access.

Development

NATS: A Lifesaver for Microservices When Kafka and RabbitMQ Are Too Heavy

By admin August 1, 2026

Forget the high RAM usage of Kafka or the complexity of RabbitMQ. This article guides you through deploying NATS—a lightweight, high-speed message broker for modern Microservices.

Development

Goodbye Postman: Why Bruno is the Perfect Match for API Management and Testing?

By admin July 31, 2026

Forget the headaches of JSON file conflicts or Postman's forced cloud sync. Discover Bruno—a lightweight, open-source API client with perfect Git support for any software project.

Python

Building Modern Terminal UIs (TUI) with Textual: Taking Python Scripts to the Next Level

By admin July 31, 2026

Transform dull Python scripts into modern Terminal UIs (TUI) featuring CSS support and mouse interaction with the Textual library. A detailed guide from Quick Start to real-world experience.

Python

BDD with Python & Behave Tutorial: Making Code and Business “Speak the Same Language”

By admin July 31, 2026

Learn how to implement BDD testing with Python and the Behave library. This guide covers everything from writing standard Gherkin to practical automation test optimization tips for developers.

MySQL

Is MySQL COUNT(*) Slow? Don’t Let Your Dashboard Freeze When Data Hits Millions of Rows

By admin July 30, 2026

Why does MySQL COUNT(*) slow down on large InnoDB datasets? This article analyzes the impact of MVCC and provides 4 optimization techniques using Counter Tables, Metadata, and Redis.