Infrastructure tutorials

Production-grade guides for Linux, servers, security and performance. Copy-paste commands, multi-distro support, written by engineers who run this in production.

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Install and configure CockroachDB cluster with high availability and distributed SQL

databases
629

Configure network interface monitoring with ICMP ping and connectivity testing

networking
613

Install and configure PostgreSQL 17 with performance tuning and security hardening

databases
597

Configure Linux system time synchronization with chrony and NTP hardening

linux
595

Install and configure ArgoCD for GitOps continuous deployment with RBAC and SSL

devops
585

Recently published

Optimize NGINX performance for high-traffic websites with advanced configuration and tuning

performance
5 hours ago

Implement Ansible AWX Tower for enterprise automation workflows with RBAC and inventory management

devops
5 hours ago

Configure ClickHouse materialized views for real-time analytics with performance optimization

databases
5 hours ago

Configure Ansible Vault for secret management and encryption with playbook automation

devops
5 hours ago

Integrate Jaeger with Kubernetes and Istio service mesh for distributed tracing

devops
10 hours ago
"orchestration" × Clear all
devops Intermediate

Setup Kubernetes Ingress NGINX with cert-manager for automated SSL certificates

Learn to deploy NGINX Ingress Controller with cert-manager for automatic SSL certificate provisioning and renewal using Let's Encrypt in production Kubernetes clusters.

35 min 4 distros 159 views
monitoring Intermediate

Set up distributed tracing for Node.js and Python microservices with OpenTelemetry and Jaeger

Configure end-to-end distributed tracing across Node.js and Python microservices using OpenTelemetry instrumentation and Jaeger backend with Elasticsearch for centralized trace collection and analysis.

45 min 4 distros 81 views
devops Intermediate

Configure Kubernetes horizontal pod autoscaler for dynamic scaling based on resource metrics

Set up HPA with CPU and memory targets for automatic pod scaling. Configure metrics server and Prometheus adapter for custom metrics monitoring. Enable dynamic workload scaling based on resource utilization.

45 min 4 distros 198 views
monitoring Intermediate

Monitor Kubernetes clusters with Prometheus and Grafana for container orchestration insights

Set up comprehensive Kubernetes monitoring using the Prometheus Operator and Grafana with persistent storage, RBAC, ServiceMonitors, and custom dashboards for complete cluster observability.

45 min 4 distros 241 views
devops Advanced

Set up Apache Airflow high availability with CeleryExecutor and Redis clustering

Deploy Apache Airflow in high availability mode using CeleryExecutor with Redis clustering for task distribution, PostgreSQL connection pooling, and load-balanced webservers for production-grade workflow orchestration.

45 min 4 distros 193 views
devops Advanced

Setup Apache Airflow cluster with Kubernetes Executor for auto-scaling workflows

Deploy production-grade Apache Airflow with Kubernetes Executor for dynamic workflow scaling. Configure PostgreSQL backend, RBAC authentication, and auto-scaling policies with Prometheus monitoring integration.

45 min 4 distros 204 views
databases Beginner

Install and configure DuckDB for analytical workloads with Python integration

Set up DuckDB, the high-performance analytical database, with CLI tools and Python integration for fast OLAP queries and data analytics workloads.

25 min 6 distros 371 views
security Intermediate

Configure ModSecurity 3 web application firewall with OWASP Core Rule Set for advanced threat protection

Set up ModSecurity 3 with OWASP Core Rule Set 4.0 to protect web applications from SQL injection, XSS, and other attacks. Configure integration with Nginx and Apache, implement custom rules, and optimize performance for production environments.

45 min 6 distros 492 views
linux Intermediate

Configure Linux kernel parameters for container workloads with sysctl optimization

Configure Linux kernel parameters for optimal container performance with sysctl tuning. This guide covers memory management, network stack optimization, file descriptor limits, and security parameters for Docker and Podman workloads.

25 min 6 distros 535 views
linux Intermediate

Configure Linux process resource monitoring and alerting with cgroups and systemd

Set up comprehensive process resource monitoring using cgroups v2 and systemd to track CPU, memory, and I/O usage with automated alerting when processes exceed defined limits.

25 min 6 distros 383 views
devops Intermediate

Integrate SonarQube with Kubernetes and Helm charts for automated code quality scanning

Deploy SonarQube on Kubernetes using Helm charts with PostgreSQL database, configure automated code scanning workflows, and implement persistent storage for comprehensive code quality analysis in your CI/CD pipeline.

45 min 4 distros 343 views
monitoring Intermediate

Monitor Docker containers with Prometheus and Grafana using cAdvisor for comprehensive metrics collection

Set up comprehensive Docker container monitoring with Prometheus, Grafana, and cAdvisor to track resource usage, performance metrics, and container health in production environments.

45 min 4 distros 364 views

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