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 Ollama for local AI models on Linux servers
devopsInstall and configure Uvicorn ASGI server with systemd and reverse proxy for FastAPI applications
hostingInstall and configure Uptime Kuma for website monitoring with SSL and email alerts
monitoringRecently published
Configure Consul Connect service mesh monitoring with distributed tracing
monitoringConfigure Kubernetes RBAC with service accounts and cluster roles for secure access control
devopsImplement Deno microservices architecture with service discovery and load balancing
devopsImplement Kubernetes security scanning with Falco and OPA Gatekeeper for runtime protection
securityConfigure OpenTelemetry custom metrics for application monitoring with Prometheus and Grafana
monitoringImplement PHP application monitoring with New Relic and logging
Set up comprehensive PHP application monitoring using New Relic APM with custom metrics and error tracking. Configure structured logging with centralized collection and automated monitoring alerts.
Integrate Nagios Core 4.5 with Grafana dashboards for advanced monitoring visualization
Connect Nagios Core 4.5 with Grafana through NDOUtils and MySQL to create powerful monitoring dashboards. This integration provides advanced visualization capabilities, real-time alerting, and comprehensive monitoring insights for your infrastructure.
Set up MariaDB Galera Cluster 11.6 for multi-master replication with automatic failover
Configure a production-ready MariaDB Galera cluster with three nodes for multi-master replication, automatic failover, and SSL encryption. Includes HAProxy load balancing and comprehensive monitoring for high availability database operations.
Set up Kibana alerting and monitoring with Elasticsearch Watcher for automated threat detection
Configure Kibana alerting rules and Elasticsearch Watcher to automatically detect security threats and send notifications via email or Slack. Set up monitoring dashboards with automated responses for production security monitoring.
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.
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.
Configure Jaeger data retention policies and automated archiving with Elasticsearch backend
Learn to configure Jaeger data retention policies with Elasticsearch backend for automated trace archiving. This tutorial covers index lifecycle management, storage optimization, and performance monitoring to prevent disk space issues while maintaining observability requirements.
Configure ArgoCD notifications for Slack and Microsoft Teams with webhook integration
Set up ArgoCD notification controller to send application deployment alerts and sync status updates to Slack channels and Microsoft Teams. Configure webhook integrations with custom templates and triggers for production GitOps workflows.
Set up Jaeger high availability clustering with load balancing and failover
Deploy a production-grade Jaeger distributed tracing cluster with Elasticsearch backend, load-balanced collectors, and automatic failover for enterprise-scale microservices monitoring.
Integrate Nexus Repository with Kubernetes and Docker registry authentication
Set up Nexus Repository Manager as a private Docker registry integrated with Kubernetes clusters, configure secure authentication and authorization, and enable automated container image deployment with RBAC controls.
Configure MariaDB 11.6 master-slave replication with SSL encryption and automatic failover
Set up production-grade MariaDB master-slave replication with SSL/TLS encryption for secure data transmission and MaxScale for automatic failover and load balancing.
Setup Caddy with Consul service discovery for dynamic load balancing
Configure Caddy web server to automatically discover backend services through Consul, enabling dynamic load balancing without manual configuration updates. This setup provides high availability and automatic failover for microservices architectures.
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