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
monitoringInstall and configure ArgoCD for GitOps continuous deployment with RBAC and SSL
Set up ArgoCD on Kubernetes with SSL certificates, RBAC user management, and high availability for production GitOps continuous deployment workflows.
Install and configure SonarQube for code quality analysis with PostgreSQL and SSL
Set up SonarQube Community Edition with PostgreSQL database backend, SSL/TLS encryption, and CI/CD integration for comprehensive static code analysis and security scanning.
Install and configure Zabbix 7 with PostgreSQL and advanced monitoring templates
Set up Zabbix 7 monitoring server with PostgreSQL backend, SSL-enabled web interface, auto-discovery, and advanced monitoring templates for comprehensive infrastructure monitoring.
Install and configure Nexus Repository Manager for private Docker and Maven repositories
Set up Nexus Repository Manager OSS with SSL-enabled Docker registry, Maven repositories, and automated backups for secure artifact management in enterprise environments.
Install and configure GitLab CE with CI/CD runners and backup automation
Set up a complete self-hosted GitLab CE instance with SSL encryption, Docker-based CI/CD runners, automated backup system, and security hardening for production workloads.
Install and configure Ansible with automation best practices and security
Learn to install Ansible on Linux, configure secure SSH authentication, create production-ready playbooks with Vault encryption, and implement roles for scalable infrastructure automation.
Install and configure Consul for service discovery with clustering and security
Set up HashiCorp Consul for distributed service discovery with a secure three-node cluster, ACL authentication, and encrypted communication for production microservices environments.
Install and configure PostgreSQL 17 with performance tuning and security hardening
Learn to install PostgreSQL 17 from official repositories, optimize performance with proper memory settings, and implement security best practices including SSL encryption and authentication hardening.
Install and configure Grafana with Prometheus for system monitoring
Set up a complete monitoring stack with Prometheus for metrics collection and Grafana for visualization. Create dashboards to monitor system performance, set up alerting rules, and secure your monitoring infrastructure.
Install and configure WireGuard VPN server with client management
Set up a secure WireGuard VPN server with automated client management, including key generation, firewall configuration, and traffic routing for remote access.
Install and configure Traefik reverse proxy with SSL automation
Set up Traefik as a reverse proxy with Docker Compose for automatic SSL certificate management, service discovery, and load balancing across multiple backend services.
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