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Virtualization tutorial - IT technology blog

Creating a Windows VM Template on Proxmox with Sysprep and VirtIO Drivers: Clone VMs in Minutes

By admin June 13, 2026

A step-by-step guide to creating a Windows VM Template on Proxmox VE with VirtIO Drivers and Sysprep — from optimal VM configuration to batch deployment automation via the Python API. Includes real-world tips from homelab use: pre-sysprep snapshots, template versioning, and how to avoid duplicate SID issues when cloning.

Fedora

KVM/QEMU on Fedora Workstation with Virt-manager: Creating, Managing, and Optimizing Linux and Windows Virtual Machines

By admin June 13, 2026

A complete guide to setting up KVM/QEMU on Fedora Workstation with Virt-manager, from installation to performance tuning. Covers creating Linux and Windows 11 VMs with VirtIO drivers, CPU pinning, snapshots, and common SELinux troubleshooting.

Monitoring

Grafana Tempo: Setting Up Distributed Tracing and Integrating Loki + Prometheus in a Single Grafana

By admin June 13, 2026

I once spent 3 hours debugging a slow request without finding the bottleneck — that's what pushed me to set up Grafana Tempo. This article walks through installing Tempo with Docker Compose, connecting it to Loki and Prometheus, and configuring OpenTelemetry from Python so that from a single trace ID you can jump straight to logs and metrics in just a few clicks.

VMware

VMware Paravirtual SCSI (PVSCSI): Reduce CPU Load and Increase Disk Throughput for Virtual Machines

By admin June 13, 2026

PVSCSI (Paravirtual SCSI) is VMware's optimized virtual adapter that significantly reduces CPU overhead and boosts IOPS compared to the default emulated LSI Logic adapter. This guide covers how to change the SCSI adapter via the GUI, PowerCLI, and .vmx file, with real fio benchmarks on vSphere 8.0.

MySQL

How to Use MySQLTuner to Diagnose and Quickly Optimize MySQL Server Configuration

By admin June 13, 2026

MySQLTuner is a Perl script that analyzes your running MySQL configuration and delivers specific optimization recommendations in just a few minutes. This guide walks through installation, interpreting the output, and applying key settings like innodb_buffer_pool_size and thread_cache_size in practice.

MySQL

Dockerize MySQL for Dev Environments: Using Init Scripts to Auto-Initialize Schema and Sample Data

By admin June 13, 2026

A guide to Dockerizing MySQL with init scripts — automatically creating schema and seed data when the container first starts. Set up in 5 minutes, giving the whole team a consistent environment with zero manual steps.

MySQL

Configuring Transparent Data Encryption (TDE) in MySQL 8: Protecting Sensitive Data at the Storage Layer (At-Rest)

By admin June 13, 2026

TDE (Transparent Data Encryption) in MySQL 8 encrypts data at the storage layer, protecting .ibd tablespace files from being read directly — with no application code changes required. This guide walks through the full setup: installing the keyring component, encrypting tables and tablespaces, rotating the master key on a schedule, and verifying and monitoring real-world effectiveness.

Python

Dependency Injection in Python with Dependency Injector: Professional Code Organization for Large Projects

By admin June 13, 2026

Dependency Injection decouples class dependencies in Python, making code easier to test and maintain. This guide walks through applying the dependency-injector library — from a real-world problem to Containers, Providers, and clean unit tests that don't require a database.

Network

Self-Hosted DDNS with Cloudflare and ddclient: A Free Solution for Your Home Server

By admin June 12, 2026

Stop worrying about dynamic IP addresses with this guide to configuring ddclient and the Cloudflare API. Keep your homelab reliably connected and looking professional.

Docker

Build Your Own GitHub Actions Runner with Docker: Fast, Secure, and 100% Cost-Effective

By admin June 11, 2026

Build your own GitHub Actions Runner with Docker to save costs, speed up builds, and gain full control over your CI/CD infrastructure. A practical guide.

Podman Auto-update on Fedora: Automating Containers the Native Way

Installing MinIO on CentOS Stream 9: Build Your Own S3 Storage with SELinux and Firewalld

Installing Grafana on CentOS Stream 9: Professional Server Monitoring with Prometheus

SSH Bastion Host (Jump Server) Configuration Guide: A Secure Gateway for Linux Systems

Goodbye Cron Jobs: Building Durable Workflows with Temporal.io in Node.js

Goodbye Passwords: Implementing Passkeys (WebAuthn) with Node.js and SimpleWebAuthn

Installing Virtualmin on Ubuntu 22.04: A ‘$0’ Multi-Domain Hosting Management Solution

Mastering OpenSSL: From Creating Self-Signed Certs to ‘Lightning-Fast’ TLS Debugging

Deploying MySQL 8 on Fedora Server: Production Configuration Guide and SELinux Troubleshooting

Vagrant + KVM/Libvirt: How to Double Your VM Speed on Linux

Creating a Windows VM Template on Proxmox with Sysprep and VirtIO Drivers: Clone VMs in Minutes

KVM/QEMU on Fedora Workstation with Virt-manager: Creating, Managing, and Optimizing Linux and Windows Virtual Machines

Grafana Tempo: Setting Up Distributed Tracing and Integrating Loki + Prometheus in a Single Grafana

VMware Paravirtual SCSI (PVSCSI): Reduce CPU Load and Increase Disk Throughput for Virtual Machines

How to Use MySQLTuner to Diagnose and Quickly Optimize MySQL Server Configuration

Dockerize MySQL for Dev Environments: Using Init Scripts to Auto-Initialize Schema and Sample Data

Configuring Transparent Data Encryption (TDE) in MySQL 8: Protecting Sensitive Data at the Storage Layer (At-Rest)

Dependency Injection in Python with Dependency Injector: Professional Code Organization for Large Projects

Self-Hosted DDNS with Cloudflare and ddclient: A Free Solution for Your Home Server

Build Your Own GitHub Actions Runner with Docker: Fast, Secure, and 100% Cost-Effective