Zero-Downtime – ITFROMZERO – Share tobe shared!

Configuring VMware vSphere Fault Tolerance (FT): Achieving Zero Downtime for Mission-Critical Systems

By admin June 21, 2026

A detailed guide to configuring VMware vSphere Fault Tolerance (FT). Learn how to achieve Zero Downtime, hardware requirements, and practical tips to protect your most critical systems.

Docker

Advanced Docker Swarm: Rolling Updates, Placement Constraints, and Zero-Downtime Deployments

By admin June 3, 2026

A detailed guide to configuring Docker Swarm for production: zero-downtime Rolling Updates with order: start-first, Placement Constraints for proper workload distribution, and Docker Config/Secret for secure configuration management. Written for those who already know Swarm basics and want to level up to a real production environment without deployment downtime.

MySQL

MySQL 8 Dual Password: Smooth Password Rotation Without Downtime

By admin June 1, 2026

Changing MySQL passwords without triggering Access Denied errors? Explore the Dual Password feature in MySQL 8 to keep your system online 24/7 during maintenance.