Network tutorial - IT technology blog

Setting Up a DNS Server with Bind9 on Ubuntu/Debian

A step-by-step guide to setting up an internal DNS server with Bind9 on Ubuntu/Debian: installation, forward and reverse zone files, forwarder and ACL configuration, testing, and troubleshooting. Written from real-world experience managing an office network.
Artificial Intelligence tutorial - IT technology blog

How to Use AI Coding Assistants Safely in Enterprise Projects

AI coding assistants like GitHub Copilot and Cursor can dramatically boost productivity, but in enterprise environments they can pose serious security risks if used carelessly. This guide covers how to set up a safe AI-assisted development workflow: managing secrets, configuring your tools, setting up pre-commit hooks, and code review principles for junior developers.