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

Phishing in 2026: How to Spot Fake Emails and Websites

CRM Integration: How to Connect All Services Into One System

Linux Server Security: 15-Point Checklist

Telegram Bot for Business: 7 Use Cases

Digital Transformation for Small Business: Where to Start and What It Costs

Backup Strategy for Business: The 3-2-1 Rule and How to Implement It

Content Strategy for SEO: How to Write Articles That Drive Traffic

Top 10 Free Tools for Small Business in 2026

RAG Systems Explained Simply: How to Train AI on Your Documents