Author profile

Ihor Vakar

Founder of IT Master, Systems Engineer

Systems engineer and founder of IT Master. In IT since 2005. Supports business server and network infrastructure: Windows Server and RDS terminal servers, VMware ESXi virtualisation, MikroTik networks, 1C/BAF servers.

His main focus is diagnosing complex failures and incident analysis: from event logs and process dumps to an established root cause and an expert conclusion. He builds his own diagnostic and automation tools. Works with clients in Ukraine and abroad, mostly remotely.

On the blog he publishes breakdowns of real incidents from client work and practical guides for administrators.

All articles by the author

Ihor Vakar

All articles by the author

NadMesh: Bots Scan for Exposed AI Services and Steal AWS Keys

Docker for Beginners: How Containers Simplify Development and Deployment

UX Mistakes That Cost Money: Real Website Analysis

Google Algorithm Changes 2026: What Website Owners Need to Know

Case Study: Corporate Infrastructure Cloud Migration with Zero Downtime

Server Monitoring: How to Detect Problems Before Your Clients Do

Website development

Nova Poshta API: Automating Delivery for Your Online Store

AI Assistant for Business: From Idea to Working Prototype in One Week