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
databasesSet up Kafka Connect cluster with high availability and load balancing
Configure a production-ready Kafka Connect cluster with multiple worker nodes, HAProxy load balancing, and Prometheus monitoring. Includes distributed configuration, shared storage setup, and comprehensive health checks for reliable data pipeline processing.
Implement GitLab CI/CD security scanning for Docker images
Set up automated container vulnerability scanning in GitLab CI/CD pipelines with Trivy and registry integration. Implement security gates, quality controls, and automated reporting for production-ready DevSecOps workflows.
Configure Zabbix 7 with SSL certificates and database encryption
Secure your Zabbix 7 monitoring infrastructure with SSL certificates for the web interface, encrypted database connections, and TLS-protected agent communication. Essential for production monitoring environments.
Configure AWX backup and disaster recovery procedures with automated PostgreSQL snapshots and restoration
Set up comprehensive backup and disaster recovery for AWX (Ansible Tower) with automated PostgreSQL database snapshots, configuration backups, and tested restoration procedures to ensure business continuity.
Implement Consul backup and disaster recovery with automated snapshots and restoration
Set up automated Consul snapshots with GPG encryption, systemd timers, and complete disaster recovery procedures. Includes monitoring integration with Prometheus and automated restoration workflows for production environments.
Configure GitLab container registry cleanup policies and storage management
Set up automated cleanup policies for GitLab container registry to manage storage costs and remove unused container images. This tutorial covers UI configuration, API automation, and monitoring for production environments.
Set up GitLab backup and disaster recovery with automated restoration
Configure automated GitLab backups with disaster recovery procedures and automated restoration scripts. Includes monitoring, alerting, and production-grade recovery workflows.
Set up Zabbix proxy for distributed network monitoring
Configure Zabbix proxy servers to distribute monitoring load across multiple network segments, reduce server load, and monitor remote locations through secure proxy connections.
Implement Envoy proxy JWT authentication with OAuth2 integration
Configure Envoy proxy with JWT authentication filters integrated with Keycloak OAuth2 provider for secure microservices communication and advanced rate limiting policies.
Implement Podman pod security with network policies and microsegmentation
Secure Podman pods with custom network policies, traffic filtering, and microsegmentation using CNI plugins and netavark. Implement zero-trust networking with firewall rules and container isolation.
Configure Apache Airflow high availability with CeleryExecutor and Redis clustering for production deployments
Set up Apache Airflow with CeleryExecutor and Redis clustering for high availability production deployments. Configure multiple workers, load balancing, monitoring, and automated failover to handle enterprise-scale workflow orchestration with zero downtime.
Configure advanced gRPC load balancing with Envoy Proxy health checks and circuit breakers
Set up Envoy Proxy with intelligent gRPC load balancing, health checks, and circuit breakers for production microservices. Includes SSL termination, monitoring integration, and security hardening.
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