virtual machines

A hands-on guide for Linux Bash users to create reproducible, isolated AI environments with KVM/libvirt. It explains why VMs still matter in 2026, provides a distro-agnostic setup, and details three case studies: a scalable CPU inference farm, a single-GPU passthrough dev VM, and a Jupyter research sandbox. Includes cloud-init snippets, performance tuning (hugepages, virtio/virtiofs, pinning), troubleshooting, and a call to action.

A practical guide to achieving near bare‑metal AI training/inference performance inside KVM/QEMU VMs without losing isolation or compliance, covering targeted tuning for CPU (host‑passthrough, pinning), memory (hugepages, NUMA), storage (virtio‑scsi, cache=none, iothreads), networking (virtio+vhost, multiqueue), and GPU passthrough (VFIO), plus install commands, validation checks, benchmarks, and common pitfalls.

Hands-on guide to nested virtualization for AI/ML on Linux: run KVM-accelerated L2 VMs inside L1 guests to achieve reproducible labs, stronger isolation than containers, CI for CUDA/ROCm images, and teaching sandboxes. Covers L0/L1 checks, enabling vmx/svm, installing QEMU/KVM/libvirt, building L1/L2 with host-passthrough, validation, performance tuning (hugepages, pinning, virtio), GPU caveats, real-world patterns, and troubleshooting.

Practical blueprint for HA AI on Linux VMs: set up KVM/libvirt on each host, place VM disks on shared storage, and use Pacemaker/Corosync with STONITH to auto-failover; expose a stable endpoint via Keepalived VIP + HAProxy. Provides apt/dnf/zypper commands, libvirt XML, migration tests, health checks, tuning (hugepages/NUMA), and GPU-aware design tips for active-active resilience on-prem.

This article provides an in-depth guide on managing Azure Virtual Machines using Bash scripts, covering the installation of Azure CLI, and script automation for VM operations like creation, startup, shut down, and deletion. It also details utilizing cron jobs for regular tasks and managing script outputs for enhanced execution control, making it valuable for those improving their cloud management skills via command-line tools.

This article provides a comprehensive guide on installing Linux Bash on various virtual machines (VMs), including VMware Workstation, Oracle VirtualBox, and Microsoft Hyper-V. It details preparatory steps, distinct installation procedures for each platform, and offers tips for a seamless setup, aiming to enhance the use of Linux Bash in diverse VM environments for professionals and enthusiasts.

This guide explains how to use Packer for automating VM image creation on Linux Bash, highlighting its role in ensuring consistent machine images across multiple platforms like AWS and Google Cloud. It covers installation instructions for various Linux distributions, basic Packer configurations, and its integration into CI/CD workflows, essential for IT professionals aiming to streamline virtual machine deployments.