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
Setup Node.js error tracking with Sentry for production monitoring and debugging
monitoringImplement Node.js application monitoring with Prometheus metrics and Grafana dashboards
monitoringImplement OSPF multi-area design with FRRouting and advanced routing policies
networkingConfigure Istio security policies with external authorization services integration
securityImplement Docker network security with custom bridge networks and container isolation
securityImplement Node.js application monitoring with Prometheus metrics and Grafana dashboards
Set up comprehensive Node.js application monitoring using Prometheus metrics collection with the prom-client library and create custom Grafana dashboards for performance insights and alerting.
Configure Istio security policies with external authorization services integration
Set up comprehensive Istio security policies with external authorization services, JWT validation, and RBAC integration for enterprise-grade service mesh security and compliance.
Set up container runtime security with Falco and Sysdig for threat detection
Configure Falco for runtime security monitoring and Sysdig Agent for container visibility to detect threats in Kubernetes environments. Implement behavioral analysis, custom security rules, and threat detection policies for production container workloads.
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 Jaeger distributed tracing on Kubernetes cluster with Helm charts and Elasticsearch backend
Deploy Jaeger distributed tracing on Kubernetes using Helm charts with Elasticsearch backend storage. Configure ingress, SSL certificates, and Prometheus integration for production-ready distributed tracing observability.
Configure PM2 log rotation and advanced monitoring with Prometheus integration
Set up comprehensive PM2 monitoring with automated log rotation, Prometheus metrics, cluster mode management, and production-ready health checks for Node.js applications.
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.
Configure ClamAV cluster with Kubernetes deployment for high availability antivirus scanning
Deploy a distributed ClamAV antivirus cluster on Kubernetes with persistent storage, load balancing, and monitoring for enterprise-grade threat detection and scanning.
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.
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.
Implement Tomcat application monitoring with JMX and Grafana dashboards
Set up comprehensive Apache Tomcat 10 monitoring using JMX metrics, Prometheus JMX Exporter, and Grafana dashboards to track application performance, memory usage, and request metrics in real-time.
Configure Lighttpd 1.4 load balancing with multiple backend servers for high availability
Set up Lighttpd with mod_proxy to distribute traffic across multiple backend servers, implement health checks for automatic failover, and configure SSL termination for a robust high availability web infrastructure.
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