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 TimescaleDB with PostgreSQL for high-performance time-series data
databasesInstall and configure Uvicorn ASGI server with systemd and reverse proxy for FastAPI applications
hostingRecently 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
monitoringSetup ScyllaDB backup validation and automated restore testing
Configure automated ScyllaDB backups with nodetool snapshots, implement validation scripts to verify backup integrity, and set up systemd timers for automated restore testing with Prometheus monitoring.
Implement enterprise network QoS with Cisco integration using FRRouting and traffic shaping
Configure enterprise-grade Quality of Service policies with DSCP marking, traffic shaping using tc and HTB, and seamless integration with Cisco equipment through FRRouting BGP and OSPF routing protocols for comprehensive network bandwidth management.
Configure ScyllaDB cluster monitoring with Prometheus and Grafana dashboards
Set up comprehensive monitoring for ScyllaDB clusters using Prometheus metrics collection and Grafana visualization dashboards. Configure alerting rules for performance monitoring and health checks.
Setup OpenResty load balancing with health checks and automatic failover
Configure OpenResty with upstream backend servers, implement health monitoring, and set up automatic failover for high availability load balancing.
Setup S3-compatible disaster recovery with cross-region replication using MinIO
Configure MinIO clusters across multiple regions with automated cross-region bucket replication, SSL encryption, and comprehensive monitoring for enterprise-grade disaster recovery.
Configure Apache reverse proxy with caching for microservices
Set up Apache HTTP Server as a reverse proxy with intelligent caching for microservices architectures. This tutorial covers mod_proxy, mod_cache configuration, cache policies, and monitoring for high-performance service delivery.
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.
Setup MinIO monitoring with Prometheus and Grafana dashboards
Configure comprehensive monitoring for MinIO object storage with Prometheus metrics collection and Grafana dashboards for performance, capacity, and health tracking.
Implement backup encryption key rotation and secure management with GPG and automated scripts
Build a production-grade backup encryption system with automated GPG key rotation, secure key distribution, and monitoring. Learn to implement enterprise-level key management policies with systemd timers and secure storage practices.
Implement Network Time Security (NTS) for encrypted time synchronization with chrony
Set up Network Time Security (NTS) with chrony to provide cryptographically authenticated and encrypted time synchronization, protecting against time-based attacks and ensuring secure clock synchronization across your infrastructure.
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.
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