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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Configure Linux system time synchronization with chrony and NTP hardening

linux
656

Install and configure CockroachDB cluster with high availability and distributed SQL

databases
647

Configure network interface monitoring with ICMP ping and connectivity testing

networking
628

Install and configure PostgreSQL 17 with performance tuning and security hardening

databases
623

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

devops
609

Recently published

Implement Podman pod security with network policies and microsegmentation

security
4 hours ago

Configure Apache Airflow high availability with CeleryExecutor and Redis clustering for production deployments

devops
4 hours ago

Configure advanced gRPC load balancing with Envoy Proxy health checks and circuit breakers

networking
4 hours ago

Configure custom Grafana plugins for specialized monitoring requirements

monitoring
9 hours ago

Configure NGINX monitoring with Prometheus and Grafana dashboards for real-time web server performance metrics

monitoring
9 hours ago
"PostgreSQL" × Clear all
monitoring Intermediate

Implement custom Prometheus exporters for application metrics collection and monitoring

Build production-grade custom Prometheus exporters in Python and Go to collect application-specific metrics. Learn exporter architecture, metric types, systemd deployment, and Prometheus integration for comprehensive application monitoring.

45 min 4 distros 259 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 227 views
databases Advanced

Implement TimescaleDB backup strategies and point-in-time recovery with automated failover

Configure comprehensive TimescaleDB backup solutions with continuous WAL archiving, automated point-in-time recovery procedures, and monitoring systems to ensure data protection and business continuity.

45 min 4 distros 147 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 211 views
databases Advanced

Configure PostgreSQL 17 streaming replication for high availability with automatic failover

Set up PostgreSQL 17 streaming replication between primary and replica servers with pg_auto_failover for automated high availability. This tutorial covers complete configuration from authentication to monitoring and maintenance procedures.

45 min 4 distros 234 views
databases Intermediate

Configure Deno database connections to PostgreSQL and Redis with connection pooling

Set up production-ready database connections in Deno applications with PostgreSQL and Redis, including SSL configuration, connection pooling, authentication, and comprehensive error handling for high-performance TypeScript applications.

45 min 4 distros 214 views
databases Advanced

Set up MongoDB 8.0 sharding cluster for horizontal scaling with replica sets and automated balancing

Configure a production-grade MongoDB 8.0 sharded cluster with replica sets, config servers, and mongos routers for horizontal scaling. This tutorial covers automated chunk balancing, high availability, and enterprise-ready deployment patterns.

45 min 4 distros 232 views
security Intermediate

Implement FastAPI authentication with JWT and OAuth2 for secure API development

Build secure FastAPI applications with JWT token authentication and OAuth2 password bearer flows. Learn to implement role-based access control and protect API endpoints with production-ready security patterns.

45 min 4 distros 467 views
databases Intermediate

Configure application connection pooling for CockroachDB with PgBouncer and HAProxy

Set up efficient connection pooling for CockroachDB applications using PgBouncer as a connection pool manager and HAProxy for load balancing across multiple database nodes. This configuration reduces database connection overhead and improves application performance.

45 min 4 distros 341 views
networking Intermediate

Configure nftables NAT and port forwarding for home lab environments

Learn how to configure nftables for NAT and port forwarding in home lab environments. This tutorial covers basic NAT masquerading, port forwarding rules, and advanced networking scenarios for virtual machines and containers.

25 min 4 distros 398 views
hosting Intermediate

Deploy Django application with Gunicorn and PostgreSQL database migrations

Learn how to deploy a production-ready Django application with Gunicorn WSGI server, PostgreSQL database, and automated database migrations on Ubuntu, Debian, AlmaLinux, and Rocky Linux systems.

35 min 4 distros 508 views
databases Advanced

Set up ClickHouse and Kafka real-time data pipeline with streaming analytics

Build a production-ready real-time data pipeline using ClickHouse for high-performance analytics and Apache Kafka for streaming data ingestion. Configure clustering, replication, and automated data processing workflows.

45 min 4 distros 249 views

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