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
Hosting & Servers
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
CI/CD, Docker, Kubernetes, automation
Monitoring
Logging, alerting, metrics, observability
Most viewed
Install and configure Deno for web development with systemd and reverse proxy
hostingInstall and configure Caddy web server with automatic HTTPS and reverse proxy
hostingInstall and configure Uvicorn ASGI server with systemd and reverse proxy for FastAPI applications
hostingInstall and configure Ollama for local AI models on Linux servers
devopsInstall and configure Uptime Kuma for website monitoring with SSL and email alerts
monitoringRecently published
Configure custom SNMP MIBs for vendor-specific monitoring with SNMP v2c and v3
monitoringImplement NGINX Plus active health checks for enterprise environments
hostingSetup Prometheus Blackbox Exporter for endpoint monitoring with SSL and alerting
monitoringConfigure Prometheus alerting with AlertManager notifications and webhook integration
monitoringConfigure Elasticsearch cross-cluster replication for disaster recovery
databasesImplement Airflow DAG security scanning with Bandit and safety checks
Set up automated security scanning for Apache Airflow DAGs using Bandit for Python code analysis and Safety for vulnerability detection. Configure pre-commit hooks and CI/CD integration for continuous security monitoring.
Configure Consul Connect with Kubernetes integration for secure service mesh communication
Set up Consul Connect as a service mesh on Kubernetes with Helm, enabling automatic mTLS encryption, service discovery, and traffic routing between microservices for secure inter-service communication.
Configure TimescaleDB backup and recovery with pgBackRest for automated PostgreSQL protection
Set up pgBackRest with TimescaleDB for automated backups, point-in-time recovery, and database protection. Includes configuration for local and remote repositories, scheduled backups, and comprehensive restore procedures.
Configure Apache Airflow DAG security and secrets management with RBAC policies and encryption
Implement comprehensive security for Apache Airflow DAGs using role-based access control, HashiCorp Vault integration, and encrypted secrets management. Configure granular permissions, audit logging, and isolation policies for production workflows.
Configure Falco runtime security for Kubernetes threat detection with eBPF monitoring
Set up Falco with eBPF monitoring to detect runtime security threats in Kubernetes clusters. Configure custom rules, integrate Prometheus metrics, and establish comprehensive threat detection for container workloads.
Implement Consul Connect mTLS with Vault PKI backend for secure service mesh communication
Set up mutual TLS authentication for Consul Connect using HashiCorp Vault's PKI backend to secure service-to-service communication with automatic certificate management and rotation.
Configure Podman secrets management with HashiCorp Vault integration
Set up secure container secrets management by integrating Podman with HashiCorp Vault. Configure dynamic secret injection, automated rotation, and production-ready monitoring for containerized applications.
Configure Podman image scanning with Trivy security vulnerability detection
Set up automated container image security scanning using Trivy with Podman to detect vulnerabilities, misconfigurations, and security issues before deploying containers to production.
Optimize ClickHouse performance for high-throughput workloads with advanced tuning and memory management
Learn how to optimize ClickHouse for high-throughput analytics workloads through advanced memory configuration, query performance tuning, storage engine optimization, and connection pooling strategies.
Set up TimescaleDB high availability with streaming replication and automatic failover
Configure TimescaleDB with PostgreSQL streaming replication for high availability. Set up primary and standby servers with hot standby mode, implement automatic failover with pg_auto_failover, and monitor replication status for production-ready time-series database clustering.
Monitor Kubernetes cluster with Prometheus Operator for comprehensive observability
Set up complete cluster monitoring using Prometheus Operator with automated metrics collection, custom dashboards, and intelligent alerting for production Kubernetes environments.
Optimize NGINX performance for high-traffic websites with advanced configuration and tuning
Configure NGINX for maximum performance with worker process optimization, advanced caching strategies, HTTP/2 tuning, and security hardening for high-traffic production environments.
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