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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Linux
System administration, shell scripting, package management
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Web servers, reverse proxies, SSL, domains
Security
Firewalls, hardening, encryption, access control
Performance
Caching, optimization, profiling, load testing
Databases
MySQL, PostgreSQL, Redis, backups, replication
Networking
DNS, load balancing, VPN, TCP/IP, routing
DevOps
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Monitoring
Logging, alerting, metrics, observability
Most viewed
Install and configure CockroachDB cluster with high availability and distributed SQL
databasesInstall and configure ArgoCD for GitOps continuous deployment with RBAC and SSL
devopsInstall and configure PostgreSQL 17 with performance tuning and security hardening
databasesInstall and configure WireGuard VPN server with client management
networkingInstall and configure Loki for centralized log aggregation with Grafana integration
monitoringRecently published
Set up Open vSwitch 3.3 for advanced virtual machine networking with VLAN and bridge configuration
networkingSet up automated network topology discovery with SNMP and LLDP for infrastructure mapping
networkingConfigure Kubernetes horizontal pod autoscaler for dynamic scaling based on resource metrics
devopsDeploy Spring Boot applications with Jetty and Docker containers
devopsMonitor Kubernetes clusters with Prometheus and Grafana for container orchestration insights
monitoringOptimize Elasticsearch 8 indexing performance for large datasets with bulk operations and memory tuning
Configure Elasticsearch 8 for maximum indexing performance when handling large datasets through bulk API optimization, JVM memory tuning, and index mapping strategies. This guide covers production-grade performance tuning for high-throughput indexing workloads.
Setup SonarQube scanner for multiple programming languages with automated code quality analysis
Configure SonarQube Scanner CLI to analyze Java, Python, JavaScript, and C# projects with automated quality gates and CI/CD integration. Streamline code quality analysis across your entire development pipeline with Docker and Jenkins automation.
Implement Spark streaming with Kafka and MinIO for real-time analytics and big data processing
Build a production-ready real-time analytics pipeline using Apache Spark 3.5 streaming, Kafka for data ingestion, and MinIO for distributed object storage. This tutorial covers fault-tolerant streaming configurations and end-to-end pipeline implementation.
Implement comprehensive Apache Airflow DAG testing and validation strategies with pytest and best practices
Learn to implement production-grade testing for Apache Airflow DAGs using pytest, including unit tests for DAG structure validation, integration testing with test databases, and automated validation pipelines with CI/CD integration.
Configure MinIO with Apache Spark 3.5 for big data analytics and object storage integration
Set up Apache Spark 3.5 with MinIO S3-compatible object storage for scalable big data analytics. Configure distributed storage, implement data lake patterns, and run production analytics workflows on your cluster infrastructure.
Set up TimescaleDB clustering for high availability with automatic failover
Configure a production-ready TimescaleDB cluster with streaming replication, automatic failover using Patroni, and etcd for distributed consensus to ensure zero-downtime operation of your time-series database.
Configure Apache Airflow monitoring with Prometheus alerts and Grafana dashboards
Set up comprehensive monitoring for Apache Airflow with Prometheus metrics collection, StatsD integration, and custom Grafana dashboards. Configure automated alerting for DAG failures, task timeouts, and system health issues.
Secure Podman containers with SELinux and AppArmor mandatory access controls
Implement mandatory access controls for Podman containers using SELinux on Red Hat-based systems and AppArmor on Debian-based systems. Learn to configure security policies, monitor violations, and harden container security with production-grade controls.
Implement Ansible testing with Molecule and TestInfra for infrastructure automation validation
Set up comprehensive testing for Ansible playbooks using Molecule framework and TestInfra validation. Create automated test scenarios, integrate with CI/CD pipelines, and ensure infrastructure code reliability in production environments.
Configure Apache Airflow LDAP authentication and RBAC with Active Directory integration
Configure Apache Airflow with LDAP authentication against Active Directory, implement role-based access control (RBAC), and set up secure user group management for enterprise environments.
Install and configure Apache Airflow with PostgreSQL backend and secure production deployment
Learn to deploy Apache Airflow in production with PostgreSQL backend, systemd services, SSL/TLS encryption, and security hardening for enterprise workflow orchestration.
Install and configure SonarQube for code quality analysis with PostgreSQL and SSL
Set up SonarQube Community Edition with PostgreSQL database backend, SSL/TLS encryption, and CI/CD integration for comprehensive static code analysis and security scanning.
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