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

RDP Connection Issues: Clipboard, Authentication and Certificate

ChatGPT vs Claude vs Gemini: Which AI Model for Business

Remote Work: How to Set Up Secure Access to Office Network

AWS vs Google Cloud vs Hetzner: What to Choose for Ukrainian Business

Web Design Trends 2026: Minimalism, AI and Dark Themes

Web Development Trends 2026: What Changed and Where the Industry Is Heading

How to Add an AI Chatbot to Your Website: Step-by-Step Guide

Case Study: How We Increased Online Store Sales by 250% in 4 Months

MikroTik Office Setup: From Unboxing to Ready Network