Passed the GitHub Certified: Agentic AI Developer exam, freshly out of public beta — notes on what it actually tests.
Welcome to Markelov.Dev, the personal site of Andrey Markelov. Below is the blog; for longer guides see My Articles , for published titles see My books , and for background see About .
NVIDIA-Certified Associate: AI Infrastructure and Operations
Passed the NCA-AIIO exam — NVIDIA-Certified Associate: AI Infrastructure and Operations, issued July 31, 2026.
My Visit to the Computer History Museum
A photo walk through the Computer History Museum in Mountain View — from punch-card sorters and UNIVAC to the Apple-1, Cray-2, and an early Google server rack.
NVIDIA GPU operations on a k8s home lab — new article
Part 2 of the NCA-AIIO home lab series: eleven GPU labs on DCGM, time-slicing, Triton, TensorRT, scheduling, and profiling.
NVIDIA k8s lab on a gaming laptop — new article
New long-form guide: build an NVIDIA Kubernetes lab on an old gaming laptop for NCA-AIIO exam prep. Read the full walkthrough.