Infrastructure guides for teams building in India

How Much Network Does Your AI Inference Server Actually Need? RDMA, RoCE, and When Gigabit Is Fine

AI inference is GPU-bound, not network-bound - until you disaggregate. Here is exactly when you need RDMA, when RoCE v2 is enough, and when a $30 gigabit switch handles your inference workload just fine.

CopyEscape (CVE-2026-17106): How docker cp Can Hand Your Host to an Attacker

CVE-2026-17106 lets any container you run docker cp on overwrite arbitrary files on your host. Here is how the TOCTOU race + symlink follow chain works, which Docker versions are patched, and why this matters for CI, developer workstations, and incident response.

Crossplane: Manage All Your Cloud Infrastructure with Kubernetes CRDs

Crossplane brings GitOps to infrastructure provisioning - compose AWS, GCP, and Azure resources as Kubernetes custom resources, reconciled continuously. Here is how to replace Terraform HCL with YAML in-cluster.

cPanel August 2026 Security Alert: Database Root Privilege Escalation (CVE-2026-58048), HTTP Smuggling & Exim Flaws Patched

cPanel patched CVE-2026-58048 (CVSS 9.4) - a database rename flaw that lets hosting customers execute SQL as root. Plus CVE-2026-58047 (HTTP smuggling), GCVE-25-2026-07-45-3 (Exim forward privesc), and GCVE-25-2026-07-45-1 (Exim directory traversal). Here is exactly what breaks, how to patch, and workarounds if you cannot update immediately.

The Selfhosted Stack: Replace 12 SaaS Subscriptions with Your Own Server

Run your own email, storage, git, CI/CD, monitoring, auth, password manager, and notes - all on a single server. Here is the selfhosted stack that replaces Google Workspace, Notion, Slack, GitHub, 1Password, and more.

Disaggregated Inference: Why Splitting Prefill and Decode Is the 2026 Architecture

Disaggregated inference separates prefill and decode across different GPUs - prefill on throughput-optimized accelerators, decode on latency-sensitive GPUs, KV cache on remote memory. Here is how vLLM, SGLang, and Sarathi-Serve implement it.

HAProxy vs Traefik vs Envoy: Which Reverse Proxy Should You Run in 2026?

HAProxy, Traefik, and Envoy are the three dominant reverse proxies. We compare them across 10 criteria - performance, SSL, observability, Kubernetes integration, and configuration complexity - with real benchmarks.

Proxmox VE 9 for Production Hosting: Clustering, Ceph, and ZFS on Bare Metal

Proxmox VE 9 builds on Debian 13 Trixie with production-grade Ceph Reef, ZFS 2.3, SDN Fabrics, and LVM-thin snapshots. Here is how to build a 3-node HA cluster for production virtualisation.

Building a Private AI Inference Cluster with vLLM and Ray on L40S GPUs

Deploy vLLM across multiple L40S GPUs with Ray for distributed inference. Tensor parallelism, pipeline parallelism, OpenAI-compatible API, and real benchmarks - throughput, latency, and cost per token.

Grafana 13 and Loki 3.0: The LGTM Stack Just Got Production-Ready at Any Scale

Grafana 13 ships OpenTelemetry-native dashboards, Loki 3.0 adds index-free ingestion and 10x faster queries, and the LGTM stack overtakes Datadog for self-hosted observability. Here is the upgrade guide.

Kubernetes Gateway API in 2026: Why Ingress Is Dead and How to Migrate

Gateway API v1.6 is now the standard for Kubernetes traffic routing. AWS, GCP, Azure, Envoy, and Istio all ship GA support. Here is how to replace your Ingress resources with Gateway API - with migration examples for NGINX, Traefik, and AWS ALB.

AWS WAF Anti-DDoS Rule Group: How to Migrate Before the January 2027 Deadline

AWS is retiring Shield Advanced L7 automatic mitigation. Here is how to migrate to the new Anti-DDoS managed rule group, test in Count mode, and avoid losing DDoS protection.

Kamal: The Zero-Downtime Deploy Tool That Replaces Kubernetes for Most Teams

Kamal by 37signals deploys Docker containers to bare metal VPS with zero downtime, rolling restarts, and SSL. If you don't need Kubernetes, you probably need Kamal.

OpenTofu 1.12: How to Migrate from Terraform in 30 Minutes

OpenTofu 1.12 just shipped features Terraform never shipped - dynamic prevent_destroy, native state encryption, and a stable provider ecosystem. Complete migration guide.

Podman Rootless Containers: A Complete Docker Replacement Guide for 2026

Docker vs Podman in 2026: rootless by default, zero daemon overhead, native systemd integration. Complete migration walkthrough from Docker Compose to Podman with Quadlet.

How to Migrate from Redis to Valkey on Ubuntu 24.04 (Step by Step)

Redis changed its license. Valkey is the open-source drop-in replacement backed by the Linux Foundation. Complete migration guide with RDB-safe method and production gotchas.

VPS Security Hardening Checklist: 20 Steps to Lock Down a Production Server

From the moment you provision a new VPS, this checklist walks you through SSH hardening, firewall, intrusion prevention, kernel tuning, and monitoring. Copy-paste configs included.

GitHub Actions vs GitLab CI vs Woodpecker CI: Self-Hosted CI/CD Pipeline Showdown 2026

A detailed comparison of three CI/CD platforms from a self-hosted perspective. Pricing, performance, security, and which one wins for small-to-mid teams on a budget.

cPanel vs DirectAdmin vs HestiaCP vs CloudPanel: The 2026 VPS Control Panel Showdown

An honest, data-driven comparison of the four most popular VPS hosting control panels. Pricing, resource usage, features, security, and which panel fits which use case.

Graphs vs Loops: The 2026 AI Agent Architecture Debate Explained

Two unrelated announcements collided in July 2026 and reignited the oldest argument in agentic AI: should agent orchestration look like a graph or a loop? Here is what the debate actually means and when to use each.

Production LEMP Stack on Ubuntu 24.04: Nginx, PHP-FPM 8.3, MariaDB, Redis, SSL

A complete production-grade LEMP stack setup guide. From bare Ubuntu 24.04 VPS to a secure, optimized web server in under an hour.

Loop Engineering: The Practice That Replaced Prompt Engineering in 2026

Loop engineering, coined in June 2026, is the practice of designing systems that prompt AI agents autonomously - with verification, retry, and state management. Here is the complete guide.

The #1 GitHub Repo Right Now Is an AI Agent Book. Here Is What That Means for Your GPU Bill

bojieli/ai-agent-book just hit #1 on GitHub trending with 9,600+ stars. It is the definitive open-source guide to building AI agents. Here is why every agent you build needs real GPU infrastructure behind it.

wp2shell Is Now Being Exploited in the Wild. If You Have Not Patched, Someone Is Already Inside

SecurityWeek confirms wp2shell (CVE-2026-63030 + CVE-2026-60137) is now being actively exploited in the wild. Three days after disclosure, attackers are compromising default WordPress installs. Here is what to check right now.

AWS Just Killed Bedrock Agents. Here Is What AgentCore Means for Your AI Workloads

Amazon deprecated Bedrock Agents and closed it to new customers after July 30, 2026. Bedrock AgentCore replaces it with multi-agent orchestration, memory, Gateway, and a new architecture. Here is what to migrate and when.

H200 vs B200 vs Blackwell Pro: Which GPU Should Your Indian AI Team Rent in 2026?

wp2shell: A Critical WordPress RCE That Needs No Password. Patch Your Site Before Someone Else Does

Kimi K3 Is the First Open 2.8 Trillion Parameter Model. Here Is What That Means for Your GPU Infrastructure

Moonshot AI launched Kimi K3 on July 16, 2026 - a 2.8T parameter open-weight model with 1M context, Delta Attention, and Mixture of 896 Experts. It runs on 16 active experts per token. Here is what developers need to know.

How to Set Up GitOps with ArgoCD on Bare Metal Kubernetes

A step-by-step guide to deploying ArgoCD on k3s, connecting it to GitHub, and making your Kubernetes cluster sync automatically from Git. No more kubectl apply.

AWS Just Broke Ground on a Rs 60,000 Crore Data Centre in Hyderabad. Here Is What It Means for You

Telangana CM Revanth Reddy laid the foundation stone for AWS's flagship hyperscale data centre at Bharat Future City on July 15, 2026. Rs 60,000 crore investment. Right in ServerGurus' backyard.

CVE-2026-56155: Attackers Are Already Exploiting This ADFS Zero-Day. Patch Before They Find Your Server

Microsoft confirmed CVE-2026-56155 was exploited in the wild as a zero-day before the July 2026 patch. ADFS servers are the target. CVSS 7.8, CISA KEV listed. Patch tonight.

CVE-2026-56190: Any Windows Server With RDP Exposed Can Be Taken Over. No Password Required

A 9.8 CVSS unauthenticated RCE in Windows RDP shipped in July 2026 Patch Tuesday. No user interaction needed. Just a packet to port 3389. Patch tonight.

NVIDIA Released an Open-Weight LLM That Does 6x the Work on the Same GPU

Nemotron-Labs-Diffusion is an 8B parameter model that delivers 6.82 tokens per forward pass. It runs on a single GPU. Here is how to deploy it and what it means for your inference costs.

Microsoft Just Open-Sourced a PostgreSQL Extension That Replaces Temporal and Airflow

pg_durable brings durable execution inside PostgreSQL. Retries, scheduling, parallel fan-out, and crash recovery - all in SQL. No containers. No external services. Here is how it works and when you should use it.

OpenAI Launched GPT-5.6. Here Is What It Means for Your GPU Infrastructure

GPT-5.6 shipped July 9 with three models: Sol, Terra, and Luna. Frontier intelligence is now available to everyone. But running frontier models still needs frontier hardware.

Meta Just Crashed the Cloud Party. Here Is What It Means for Your GPU Bills

Meta launched Meta Compute on July 1, selling excess AI GPU capacity to compete with AWS, Google, and Microsoft. CoreWeave stock dropped 10%. Here is what actually changes for you.

How to Set Up a CI/CD Pipeline for ML Models Using GitHub Actions and Docker

A step-by-step guide to building a production CI/CD pipeline that tests, builds, and deploys machine learning models. Works with any GPU infrastructure.

AWS Just Raised GPU Prices 20%. Here Is What You Should Actually Be Paying for an H100

AWS GPU prices rose 15% in January, then another 20% on July 1. The same NVIDIA silicon costs $5.19/hr on AWS and $2.01/hr from independent providers. Here is the real math.

CVE-2026-47291: Any Unpatched Windows Server Can Be Taken Over Remotely via HTTP.sys

A critical 9.8 CVSS vulnerability in Windows HTTP.sys lets unauthenticated attackers execute code with kernel privileges. If you run IIS, WinRM, or any HTTP.sys service, patch now.

cPanel File Manager Can Access Symlinks That SSH Cannot

cPanel has acknowledged that File Manager bypasses SSH-based symlink restrictions. If you run shared hosting, here is what this means for your server security.

GhostLock: A 15-Year-Old Linux Bug That Gives Any User Root

CVE-2026-43499 lets any local user escalate to root on any Linux server shipped since 2011. If you run shared hosting, VPS nodes, or container hosts, here is what to do right now.

Bare Metal vs Cloud VPS for a Hyderabad SaaS Startup

Should your Hyderabad startup run on a Cloud VPS or a dedicated bare metal server? A practical comparison of performance, cost, scaling, and when to switch.

How Much Does a GPU Server Cost in India? (L40S vs Blackwell, 2026)

A clear 2026 breakdown of GPU server pricing in India - NVIDIA L40S vs Blackwell Pro 6000 ADA, single vs multi-GPU, and when renting beats buying for AI training and inference.