Welcome to Zveroboy Cloud

Concise guides and walk‑throughs on web, cloud, and DevOps.

Latest posts

September 1, 2025

Understanding vSphere DirectPath IO vs Dynamic DirectPath IO, hardware labels, and prerequisites.

December 26, 2022

Benchmarking a $70 Tesla K80 against an RTX 3070 Ti in PyTorch.

December 23, 2022

A script that automates exporting stopped EC2 instances to S3 for offsite backup and lab migration.

December 11, 2022

Installing the NVIDIA Tesla K80 GPU driver on Ubuntu Server for batch-based GPU workloads.

November 21, 2022

Fixing GPU and vGPU passthrough in ESXi for cards with more than 8GB of VRAM.

November 20, 2022

Running ROCm and PyTorch on a $100 second-hand AMD Instinct MI25 in a Dell R720.