The KV cache is the single biggest lever for LLM inference cost and throughput. How it works, why naive allocation wastes 60–80% of GPU memory, how PagedAttention and continuous batching fix that, what prefix caching actually saves, how FP8/INT8 quantization and GQA/MLA shrink the cache, and why long context is fundamentally a memory-bandwidth problem.
Infrastructure & Cloud
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KV Cache Engineering: PagedAttention, Continuous Batching, Attention Variants, and the Bandwidth Wall -
Azure Linux 4.0 and Azure Container Linux GA: Microsoft's Hardened OS for Cloud-Native and AI Workloads Microsoft announced Azure Linux 4.0 preview and Azure Container Linux GA at OSS Summit NA 2026 — a Fedora-based VM OS with atomic updates, AI-workload hardening, and a TCMalloc-Azure performance upgrade, alongside a sub-300MB container-only image purpose-built for AKS.
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Ansible Playbooks: Idempotent Configuration Management at Any Scale A comprehensive guide to Ansible for sysadmins, DevOps engineers, and homelabbers — covering installation, inventory management, playbook anatomy, Jinja2 templating, roles, Ansible Vault, and practical playbooks for bootstrapping servers, deploying Docker apps, and running bulk OS updates.
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Bare Metal Provisioning: PXE Boot, iPXE, and Fully Automated OS Installs A deep-dive into network booting and automated OS provisioning — covering the full PXE/iPXE boot chain, dnsmasq and TFTP setup, Ubuntu autoinstall, Debian preseed, Kickstart for Rocky Linux, cloud-init post-provisioning, and a complete Docker Compose provisioning stack that takes a server from blank to configured without touching a USB drive.
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GitOps with Flux and ArgoCD: Declarative Deployments Driven by Git A comprehensive guide to GitOps using Flux v2 and ArgoCD — covering the four GitOps principles, repository structure strategies, full setup walkthroughs for both tools, secrets management with SOPS and Sealed Secrets, progressive delivery with Flagger, multi-cluster management, and practical day-to-day workflows.
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Hetzner Cloud for Homelab Overflow: Cost-Effective Cloud Bursting and Geo-Redundancy How to use Hetzner Cloud as a cost-effective overflow for your homelab — bursting compute to the cloud, adding geo-redundancy, and building hybrid setups that combine the best of on-premises and cloud infrastructure.
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NFS Filers in Azure: A Complete Management Guide Everything you need to know about managing NFS storage in Azure — Azure NetApp Files and Azure Files NFS — covering provisioning, quotas, user usage, export policies, snapshots, monitoring, and production best practices.
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Proxmox VE: The Ultimate Homelab Hypervisor A comprehensive guide to Proxmox Virtual Environment — covering installation, ZFS and LVM-thin storage pools, VM creation with VirtIO and cloud-init, LXC containers, networking with VLANs, clustering, backups with PBS, GPU passthrough, and the tools and tricks that make it the homelab hypervisor of choice.
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Terraform for the Homelab: Manage Local and Cloud Resources with One Workflow A comprehensive guide to using Terraform in your homelab — covering the Proxmox provider for VMs and LXC containers, Hetzner and DigitalOcean for cloud overflow, Cloudflare DNS management, remote state with MinIO, reusable modules, and CI/CD workflows that treat your infrastructure like code.