https://tutorials.technology/Sat, 30 May 2026 00:00:00 -0400https://tutorials.technology/tutorials/argocd-gitops-kubernetes-tutorial-2026.html<h1>Argo CD GitOps Tutorial 2026: Deploy Kubernetes Apps from Git with Self-Healing</h1> <p>GitOps has become the standard model for continuous delivery on Kubernetes. Instead of running <code>kubectl apply</code> from a CI pipeline, you commit your desired state to Git and a controller inside the cluster reconciles reality to match it …</p>Leonardo LazzaroSat, 30 May 2026 00:00:00 -0400tag:tutorials.technology,2026-05-30:/tutorials/argocd-gitops-kubernetes-tutorial-2026.htmltutorialsargocdgitopskubernetesdevopscontinuous-deliverytutorialhttps://tutorials.technology/tutorials/best-wifi-adapters-kali-linux-2026.html<h2>Introduction</h2> <p>If you are running Kali Linux for wireless security testing, one of the first obstacles you will hit is that most built-in laptop WiFi cards simply do not support monitor mode or packet injection. These two capabilities are non-negotiable for tools like airodump-ng, aireplay-ng, and kismet. A USB WiFi …</p>Leonardo LazzaroSat, 30 May 2026 00:00:00 -0400tag:tutorials.technology,2026-05-30:/tutorials/best-wifi-adapters-kali-linux-2026.htmltutorialskali linuxwifi adaptermonitor modepacket injectionaircrack-ngalfawpa3rtl8812auhttps://tutorials.technology/tutorials/bug-bounty-hunting-beginners-2026.html<hr/> <h2>TL;DR</h2> <p>Bug bounty programs pay security researchers to find and responsibly disclose vulnerabilities in real-world applications before malicious actors do. In 2025, HackerOne and Bugcrowd collectively paid out more than $300 million in bounties — and the cybersecurity industry still has 3.5 million unfilled jobs. This guide walks you …</p>Leonardo LazzaroSat, 30 May 2026 00:00:00 -0400tag:tutorials.technology,2026-05-30:/tutorials/bug-bounty-hunting-beginners-2026.htmltutorialsbug-bountyethical-hackingsecurityxssidorreconhackeronebugcrowdtutorialhttps://tutorials.technology/tutorials/build-mcp-server-python-2026.html<h2>Introduction</h2> <p>MCP (Model Context Protocol) is Anthropic's open protocol for connecting AI models to external tools and data sources. It defines a standard way for a host application — such as Claude Desktop or Claude Code — to discover and invoke capabilities provided by a separate server process. Think of it as …</p>Leonardo LazzaroSat, 30 May 2026 00:00:00 -0400tag:tutorials.technology,2026-05-30:/tutorials/build-mcp-server-python-2026.htmltutorialsmcppythonaillmclaudetool-usefastmcphttps://tutorials.technology/tutorials/context-engineering-claude-cursor-2026.html<h1>Context Engineering 2026: AGENTS.md, CLAUDE.md, and .cursorrules That Actually Work</h1> <p>Andrej Karpathy called it the essential AI coding skill of 2026: <strong>context engineering</strong>. Not prompt engineering — you do not type clever things into a chat box. Context engineering is the discipline of building persistent, structured context that AI …</p>Leonardo LazzaroSat, 30 May 2026 00:00:00 -0400tag:tutorials.technology,2026-05-30:/tutorials/context-engineering-claude-cursor-2026.htmltutorialscontext-engineeringclaude-codecursoraillmproductivitytutorialhttps://tutorials.technology/tutorials/crossplane-kubernetes-infrastructure-2026.html<h1>Crossplane 2026: Manage AWS Infrastructure as Kubernetes YAML</h1> <p>Infrastructure-as-code has been dominated by tools like Terraform for years. But what if your entire cloud infrastructure — S3 buckets, RDS databases, VPCs, IAM roles — could be declared as Kubernetes YAML and managed by the same control loop that keeps your pods running …</p>Leonardo LazzaroSat, 30 May 2026 00:00:00 -0400tag:tutorials.technology,2026-05-30:/tutorials/crossplane-kubernetes-infrastructure-2026.htmltutorialscrossplanekubernetesawsiacplatform-engineeringterraformdevopstutorialhttps://tutorials.technology/tutorials/ebpf-cilium-kubernetes-tutorial-2026.html<h1>eBPF and Cilium Tutorial 2026: Zero-Overhead Kubernetes Networking, Hubble, and Tetragon</h1> <p>Modern Kubernetes clusters carry thousands of pods, dozens of services, and compliance requirements that simply did not exist when <code>iptables</code> was designed. This tutorial walks you through replacing the traditional Linux networking stack with eBPF-powered Cilium, enabling real-time flow …</p>Leonardo LazzaroSat, 30 May 2026 00:00:00 -0400tag:tutorials.technology,2026-05-30:/tutorials/ebpf-cilium-kubernetes-tutorial-2026.htmltutorialsebpfciliumkubernetesnetworkingobservabilitysecuritytutorialhttps://tutorials.technology/blog/geo-citation-tracking-workflow-2026.html<p>AI-generated answers are now the first thing millions of readers see when they search for technical help. If your tutorials are not being cited in those answers, you are invisible to a growing share of your audience — and you will not even know it. This guide sets up a repeatable …</p>Leonardo LazzaroSat, 30 May 2026 00:00:00 -0400tag:tutorials.technology,2026-05-30:/blog/geo-citation-tracking-workflow-2026.htmlbloggeoai-citationsseomonitoringanalyticschatgptperplexityhttps://tutorials.technology/blog/geo-generative-engine-optimization-2026.html<h2>What is GEO? (Quick Answer)</h2> <p>GEO (Generative Engine Optimization) is the practice of structuring your content so that AI engines — ChatGPT, Claude, Perplexity, and Gemini — cite it directly in their generated answers. Unlike SEO, which targets click-through rates from ranked results pages, GEO targets citation probability inside AI responses. AI-referred …</p>Leonardo LazzaroSat, 30 May 2026 00:00:00 -0400tag:tutorials.technology,2026-05-30:/blog/geo-generative-engine-optimization-2026.htmlbloggeoseoaichatgptperplexityclaudecontent-strategycitationhttps://tutorials.technology/tutorials/grafana-loki-tutorial-2026.html<h1>Grafana Loki Tutorial 2026: Centralize Linux and Docker Logs Without Elasticsearch</h1> <p>Centralizing logs used to mean standing up an Elasticsearch cluster, tuning JVM heap sizes, and paying for index storage that grows without mercy. Grafana Loki changes that trade-off entirely. This <strong>grafana loki tutorial</strong> walks you through deploying the full …</p>Leonardo LazzaroSat, 30 May 2026 00:00:00 -0400tag:tutorials.technology,2026-05-30:/tutorials/grafana-loki-tutorial-2026.htmltutorialsgrafanalokiloggingdockerlinuxdevopspromtaillogqltutorialhttps://tutorials.technology/tutorials/hashcat-bcrypt-benchmark-rtx-4090-5090-2026.html<h1>Hashcat Bcrypt Benchmark 2026: RTX 5090, RTX 4090, RX 7900 XTX Speed Table (Mode 3200)</h1> <p>If you searched for "hashcat benchmark mode 3200 bcrypt RTX 4090 180 kH/s" and landed on a generic GPU table that didn't answer the question, this page is the direct answer. Below is a …</p>Leonardo LazzaroSat, 30 May 2026 00:00:00 -0400tag:tutorials.technology,2026-05-30:/tutorials/hashcat-bcrypt-benchmark-rtx-4090-5090-2026.htmltutorialshashcatbcryptbenchmarkgpupassword crackingrtx 4090rtx 5090mode 3200https://tutorials.technology/tutorials/iw-command-monitor-mode-guide-2026.html<h1>iw Command Guide 2026: Enable Monitor Mode, Scan Networks, Fix Device Busy Error</h1> <p><code>iw</code> is the modern replacement for <code>iwconfig</code>, which has been deprecated for years and is no longer maintained. While <code>iwconfig</code> relied on the legacy Wireless Extensions (WEXT) kernel API, <code>iw</code> communicates with the kernel through <code>nl80211</code> (Netlink …</p>Leonardo LazzaroSat, 30 May 2026 00:00:00 -0400tag:tutorials.technology,2026-05-30:/tutorials/iw-command-monitor-mode-guide-2026.htmltutorialsiwkali linuxmonitor modewirelessaircrack-ngpacket injectionwifihttps://tutorials.technology/tutorials/k3s-kubernetes-tutorial-2026.html<h1>K3s Tutorial 2026: Lightweight Kubernetes for Raspberry Pi, Edge, and Home Lab</h1> <p>Kubernetes is the de-facto standard for container orchestration, but its full installation weighs in at hundreds of megabytes and requires significant resources — too much for a Raspberry Pi cluster, a cheap $5 VPS, or an IoT gateway running …</p>Leonardo LazzaroSat, 30 May 2026 00:00:00 -0400tag:tutorials.technology,2026-05-30:/tutorials/k3s-kubernetes-tutorial-2026.htmltutorialsk3skubernetesraspberry-piedgedevopshome-labtraefiktutorialhttps://tutorials.technology/tutorials/metasploit-framework-tutorial-2026.html<h1>Metasploit Framework Tutorial 2026: Ethical Penetration Testing for Beginners</h1> <p>Metasploit is the most widely used penetration testing framework in the world. It ships with over 2,300 exploits, 1,100 auxiliary modules, and hundreds of payloads — all accessible through a single, consistent interface. Whether you are studying for OSCP, preparing …</p>Leonardo LazzaroSat, 30 May 2026 00:00:00 -0400tag:tutorials.technology,2026-05-30:/tutorials/metasploit-framework-tutorial-2026.htmltutorialsmetasploitkali-linuxethical-hackingpenetration-testingmsfconsolemeterpretertutorialhttps://tutorials.technology/tutorials/nessuscli-fetch-reset-command-reference.html<h1>nessuscli fetch --reset: Complete Command Reference (2026)</h1> <p>The <code>nessuscli fetch</code> subcommand manages Nessus license activation and deactivation from the command line. You need it when moving Nessus to a new server, recovering from a corrupted license, or reactivating after a reset. This reference covers every <code>fetch</code> flag, the <code>nessus.license …</code></p>Leonardo LazzaroSat, 30 May 2026 00:00:00 -0400tag:tutorials.technology,2026-05-30:/tutorials/nessuscli-fetch-reset-command-reference.htmltutorialsnessusnessusclisecurityvulnerability scannertenablehttps://tutorials.technology/tutorials/nextjs-15-fullstack-app-router-2026.html<h1>Next.js 15 Tutorial 2026: App Router, Server Components, Server Actions, and Prisma</h1> <p>Most Next.js tutorials online still teach the Pages Router. In 2026, that approach is outdated. This <strong>Next.js 15 tutorial</strong> walks you through building a full-stack application using the App Router — the architecture that ships with …</p>Leonardo LazzaroSat, 30 May 2026 00:00:00 -0400tag:tutorials.technology,2026-05-30:/tutorials/nextjs-15-fullstack-app-router-2026.htmltutorialsnextjsreacttypescriptprismafullstackapp-routerserver-actionstutorialhttps://tutorials.technology/tutorials/opentelemetry-python-tutorial-2026.html<h1>OpenTelemetry Python Tutorial 2026: Distributed Tracing, Custom Spans, and Context Propagation</h1> <p>OpenTelemetry is the second most active project in the Cloud Native Computing Foundation (CNCF), trailing only Kubernetes. Its Python SDK is mature, vendor-neutral, and exports to any OTLP-compatible backend — Jaeger, Grafana Tempo, SigNoz, Datadog, or your own collector — without …</p>Leonardo LazzaroSat, 30 May 2026 00:00:00 -0400tag:tutorials.technology,2026-05-30:/tutorials/opentelemetry-python-tutorial-2026.htmltutorialsopentelemetrypythondistributed-tracingobservabilityfastapispanscontext-propagationtutorialhttps://tutorials.technology/tutorials/platform-engineering-backstage-2026.html<h1>Platform Engineering with Backstage 2026: Build an Internal Developer Platform from Scratch</h1> <h2>Platform Engineering vs DevOps</h2> <p>DevOps solved a real problem: it tore down the wall between development and operations. But as organizations scaled to hundreds of engineers and dozens of microservices, a new problem emerged — cognitive overload. Every team …</p>Leonardo LazzaroSat, 30 May 2026 00:00:00 -0400tag:tutorials.technology,2026-05-30:/tutorials/platform-engineering-backstage-2026.htmltutorialsbackstageplatform-engineeringkubernetesdevopsinternal-developer-platformtutorialhttps://tutorials.technology/tutorials/playwright-python-tutorial-2026.html<h1>Playwright Python Tutorial 2026: Web Scraping, Browser Automation, and pytest Testing</h1> <p>Playwright has quietly overtaken Selenium as the go-to browser automation library for Python developers. Search interest has grown 60% year-over-year, and for good reason: it is faster, more reliable, and requires far less boilerplate. This tutorial walks you through …</p>Leonardo LazzaroSat, 30 May 2026 00:00:00 -0400tag:tutorials.technology,2026-05-30:/tutorials/playwright-python-tutorial-2026.htmltutorialsplaywrightpythonweb-scrapingbrowser-automationtestingpytesttutorialhttps://tutorials.technology/tutorials/polars-python-tutorial-2026.html<h1>Polars Python Tutorial 2026: Faster DataFrames with LazyFrames, Expressions, and pandas Migration</h1> <p>Polars has grown 300% in downloads year-over-year and is rapidly displacing pandas as the default DataFrame library for performance-critical Python workloads. Built on Rust and Apache Arrow, it consistently delivers 5–50x speed improvements over pandas on real-world …</p>Leonardo LazzaroSat, 30 May 2026 00:00:00 -0400tag:tutorials.technology,2026-05-30:/tutorials/polars-python-tutorial-2026.htmltutorialspolarspythonpandasdataframesdata-engineeringlazy-evaluationtutorialhttps://tutorials.technology/tutorials/ruff-python-linting-2026.html<h2>Introduction</h2> <p>Ruff is a Python linter and formatter written in Rust. In 2026 it has become the de facto standard for Python code quality tooling, used by FastAPI, Pydantic, Airflow, Pandas, and thousands of other projects. The reason is simple: it is 100x faster than flake8 on large codebases and …</p>Leonardo LazzaroSat, 30 May 2026 00:00:00 -0400tag:tutorials.technology,2026-05-30:/tutorials/ruff-python-linting-2026.htmltutorialsruffpythonlintingcode qualityblackflake8isortpre-commithttps://tutorials.technology/tutorials/signoz-opentelemetry-python-tutorial-2026.html<h1>SigNoz and OpenTelemetry Python 2026: Self-Host Distributed Tracing and Logs</h1> <p>Modern applications are composed of many services talking to databases, queues, and external APIs. When a request is slow or failing, raw metrics tell you <em>that</em> something is wrong — but not <em>where</em> or <em>why</em>. Distributed tracing closes that gap by …</p>Leonardo LazzaroSat, 30 May 2026 00:00:00 -0400tag:tutorials.technology,2026-05-30:/tutorials/signoz-opentelemetry-python-tutorial-2026.htmltutorialssignozopentelemetrypythonobservabilitydistributed-tracingfastapitutorialhttps://tutorials.technology/tutorials/typescript-for-javascript-developers-2026.html<h1>TypeScript for JavaScript Developers 2026: From Types to a Typed REST API</h1> <p>If you already know JavaScript ES6+ and have heard the TypeScript hype for years, 2026 is the year to finally make the jump. This <strong>typescript tutorial</strong> walks you through everything a working JavaScript developer needs: core type annotations …</p>Leonardo LazzaroSat, 30 May 2026 00:00:00 -0400tag:tutorials.technology,2026-05-30:/tutorials/typescript-for-javascript-developers-2026.htmltutorialstypescriptjavascriptnodejstypesrest-apitutorialhttps://tutorials.technology/tutorials/vibe-coding-claude-code-saas-2026.html<h1>Vibe Coding 2026: Build a SaaS with Claude Code Without Writing Most of the Code</h1> <p>Andrej Karpathy coined the term "vibe coding" in early 2025 to describe a new mode of software development: you describe your intent, an AI agent writes the code, and you steer rather than type. A …</p>Leonardo LazzaroSat, 30 May 2026 00:00:00 -0400tag:tutorials.technology,2026-05-30:/tutorials/vibe-coding-claude-code-saas-2026.htmltutorialsvibe-codingclaude-codeaillmsaaspythonfastapitutorialhttps://tutorials.technology/tutorials/zero-trust-architecture-developers-2026.html<h1>Zero Trust Architecture for Developers 2026: mTLS, Short-Lived JWTs, Vault, and Network Policies</h1> <p>97% of organizations are now adopting Zero Trust Architecture (ZTA). Most tutorials on the subject are written for enterprise architects with dedicated security teams and six-figure tool budgets. This guide is for the five-person dev team running …</p>Leonardo LazzaroSat, 30 May 2026 00:00:00 -0400tag:tutorials.technology,2026-05-30:/tutorials/zero-trust-architecture-developers-2026.htmltutorialszero-trustsecuritykubernetesmtlsvaultnetwork-policyjwttutorialhttps://tutorials.technology/tutorials/argocd-gitops-tutorial-2026.html<h2>TL;DR</h2> <p>Argo CD is the industry-standard GitOps continuous delivery tool for Kubernetes. You declare the desired state of your cluster in Git, and Argo CD continuously reconciles the live state to match it. This tutorial walks through a full production-grade setup: installation, connecting Git repos, deploying Helm charts, the …</p>Leonardo LazzaroThu, 14 May 2026 00:00:00 -0400tag:tutorials.technology,2026-05-14:/tutorials/argocd-gitops-tutorial-2026.htmltutorialsargocdgitopskubernetesdevopshelmcontinuous-deliveryhttps://tutorials.technology/tutorials/context-engineering-ai-agents-2026.html<h1>Context Engineering for AI Agents 2026: The Complete Guide</h1> <p>If you have built an AI agent that works brilliantly in demos but collapses in production, the problem is almost certainly not the model. The model is fine. The problem is context — what you put into the model's context window, in …</p>Leonardo LazzaroThu, 14 May 2026 00:00:00 -0400tag:tutorials.technology,2026-05-14:/tutorials/context-engineering-ai-agents-2026.htmltutorialsaillmcontext-engineeringagentspythonprompt-engineeringhttps://tutorials.technology/tutorials/crossplane-aws-tutorial-2026.html<h2>TL;DR</h2> <p>Crossplane is a CNCF graduated project that turns your Kubernetes cluster into a universal control plane for cloud infrastructure. Instead of running Terraform pipelines or ClickOps in the AWS console, you declare an S3 bucket or an RDS instance as a Kubernetes manifest and let Crossplane reconcile the …</p>Leonardo LazzaroThu, 14 May 2026 00:00:00 -0400tag:tutorials.technology,2026-05-14:/tutorials/crossplane-aws-tutorial-2026.htmltutorialscrossplaneawskubernetesinfrastructureterraformdevopsiachttps://tutorials.technology/tutorials/ebpf-cilium-tutorial-2026.html<hr/> <h2>TL;DR</h2> <p>eBPF (extended Berkeley Packet Filter) lets you run sandboxed programs inside the Linux kernel without writing kernel modules or patching kernel source. Cilium leverages eBPF to deliver a high-performance CNI for Kubernetes, replacing kube-proxy, enforcing L3/L4/L7 network policies, enabling mutual TLS without sidecars, and providing real-time …</p>Leonardo LazzaroThu, 14 May 2026 00:00:00 -0400tag:tutorials.technology,2026-05-14:/tutorials/ebpf-cilium-tutorial-2026.htmltutorialsebpfciliumkubernetesnetworkingsecuritylinuxhttps://tutorials.technology/tutorials/k3s-lightweight-kubernetes-tutorial-2026.html<h1>K3s Tutorial 2026: Run Kubernetes on a Raspberry Pi or 1GB VPS</h1> <p>Kubernetes is the de facto standard for container orchestration, but a standard upstream install demands several gigabytes of RAM and a multi-core machine before it will even accept a workload. That cost is tolerable in a cloud data …</p>Leonardo LazzaroThu, 14 May 2026 00:00:00 -0400tag:tutorials.technology,2026-05-14:/tutorials/k3s-lightweight-kubernetes-tutorial-2026.htmltutorialsk3skubernetesdevopsraspberry-pivpscontainersedge-computing