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
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DNS, load balancing, VPN, TCP/IP, routing
DevOps
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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
Implement OpenResty rate limiting and DDoS protection with advanced Lua rules
securityIntegrate ArgoCD with External Secrets Operator for secure Kubernetes secret management
devopsConfigure advanced iptables QoS with fwmark and multiple interfaces
networkingConfigure Redis 7 cluster SSL encryption and authentication for production security
securitySetup OpenResty load balancing with health checks and automatic failover
hostingIntegrate ArgoCD with External Secrets Operator for secure Kubernetes secret management
Set up External Secrets Operator to sync secrets from HashiCorp Vault and AWS Secrets Manager into your ArgoCD GitOps workflow, enabling secure automated secret management across multiple environments without storing sensitive data in Git repositories.
Setup ArgoCD ApplicationSets for multi-environment GitOps workflows with automated deployment pipelines
Configure ArgoCD ApplicationSets to automate deployments across multiple environments using GitOps patterns. Learn to create templates, generators, and automated promotion workflows for production-grade Kubernetes deployments.
Configure Redis cluster monitoring with custom Grafana dashboards
Set up comprehensive monitoring for your Redis cluster using redis_exporter, Prometheus, and Grafana. Configure custom dashboards and alerting rules to track performance metrics, cluster health, and resource utilization.
Configure ArgoCD Image Updater for automated container deployments
Set up ArgoCD Image Updater to automatically detect and deploy new container image versions in your GitOps workflow. Includes Git repository integration, webhook configuration, and monitoring setup.
Implement Istio security scanning and vulnerability management for Kubernetes service mesh
Set up comprehensive security scanning and vulnerability management for Istio service mesh using Trivy, Falco, and security policies to protect Kubernetes workloads from threats and compliance violations.
Configure Spark on Kubernetes with cluster autoscaling for dynamic workloads
Deploy Apache Spark 3.5 on Kubernetes with automatic cluster scaling, dynamic resource allocation, and comprehensive monitoring for production data processing workloads.
Implement Kubernetes secrets management with HashiCorp Vault integration
Set up HashiCorp Vault with Kubernetes to dynamically inject secrets into pods using the Vault Secrets Operator. This tutorial covers authentication configuration, operator deployment, and automated secret injection with annotations.
Integrate ClamAV cluster with file upload APIs for scalable malware scanning
Set up a clustered ClamAV deployment with REST API endpoints for automated malware scanning of file uploads. Configure load balancing, authentication, and monitoring for high-availability antivirus scanning in production environments.
Set up MySQL point-in-time recovery with binary logs for database backup and restore
Configure MySQL binary logging and implement automated point-in-time recovery procedures for comprehensive database backup and restore operations with monitoring.
Configure Prometheus Alertmanager with custom webhook integrations for Slack, Microsoft Teams, and PagerDuty notifications
Set up Prometheus Alertmanager with webhook receivers for Slack, Microsoft Teams, and PagerDuty notifications. Configure routing rules, test notifications, and implement alert escalation workflows for comprehensive monitoring coverage.
Configure Prometheus Alertmanager with Slack integration for team notifications
Set up Prometheus Alertmanager to route alerts to Slack channels with custom notification rules. Configure alerting rules, webhook integration, and team-based routing for production monitoring workflows.
Set up GitLab CI/CD with Kubernetes runners for scalable deployments
Configure GitLab Runner with Kubernetes executor to automatically scale CI/CD workloads. Set up RBAC permissions, deploy pipelines to Kubernetes clusters, and implement resource management policies for efficient container orchestration.
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