Posts

How to use PVE to run Windows desktops with GPU passthrough

Kubestronaut: requirements, onboarding, and verification

Certified Kubernetes Security Specialist (CKS)

Certified Cloud Native Platform Engineering Associate (CNPA)

Certified Argo Project Associate (CAPA)

Linux Foundation Certified System Administrator (LFCS)

Certified GitOps Associate (CGOA)

Kubernetes and Cloud Native Security Associate (KCSA)

A practical benchmark of Ansible with Mitogen, covering integration steps, real speed gains, and production tradeoffs.

Certified Kubernetes Administrator (CKA) recertified

Certified Kubernetes Application Developer (CKAD) recertified

Ansible-managed high-QPS home DNS stack: load-balanced Pi-hole, split-horizon zones with Bind9, and fast recursive resolution via Unbound over TLS-built for autonomy, experimentation, and low-latency caching

Why I broke up with Pipenv for a faster, saner Python toolchain and a CI-agnostic task runner.

managing Proxmox firewall rules in a separate Terraform project

Krótki przewodnik po egzaminie państwowym B1: zapisy, przygotowanie i przebieg

127.0.0.1 is not always available ^_^

Kubernetes and Cloud Native Associate (KCNA)

runbook for upgrading Debian Bookworm to Debian 13 Trixie on Proxmox VE

Finally found a clean and reliable way to automate Sonar Repos using Terraform. Works great

Running Proxmox on systems with onboard Intel NICs using the e1000e driver can lead to severe stability issues

filtering reachable hosts ( linux + net )

Fix for black screen and kvm: VFIO_MAP_DMA failed: Invalid argument on Proxmox VE 8.2 with Radeon RX 7900 XTX using explicit vBIOS, romfile, and rombar=0

Trick to fix /system/reboot is not working

I got tired of debugging container connections with tools that weren’t built for it. So I wrote a minimal, configurable microservice template.

cleanup with CI improvements

integrating already-mounted storage disks with PBS

A guide to formatting NVMe drives with 4K sectors to improve storage speed and reliability

HowTo design a production-grade mobile CI/CD pipeline for a React Native app using CircleCI, Fastlane, Firebase App Distribution, and app-store releases - including a reusable pattern for white-label apps.

Script for updating SW and HW

Эксперименты с установкой Arch Linux: полное шифрование, LVM внутри LUKS и UEFI.

Нестандартный способ установки Proxmox через Ansible роль на чистый Debian

Готовое решение для автоматического бэкапа конфигураций Mikrotik (бинарный + экспорт)