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 Uptime Kuma for website monitoring with SSL and email alerts
monitoringInstall and configure Caddy web server with automatic HTTPS and reverse proxy
hostingInstall and configure TimescaleDB with PostgreSQL for high-performance time-series data
databasesInstall and configure Ollama for local AI models on Linux servers
devopsRecently published
Configure PostgreSQL 17 SSL encryption and certificate-based authentication
databasesSet up HAProxy SSL termination with Let's Encrypt certificates
networkingConfigure HAProxy with Consul for dynamic service discovery
networkingConfigure PostgreSQL 17 connection pooling with PgBouncer for high availability
databasesConfigure Kubernetes secrets management with External Secrets Operator and HashiCorp Vault
devopsConfigure Keycloak high availability clustering for production with load balancing and failover
Set up a production-ready Keycloak cluster with PostgreSQL backend, HAProxy load balancing, and automatic failover to ensure identity services remain available during node failures and high traffic.
Configure Keycloak custom themes and branding with SSL integration and production deployment
Set up custom Keycloak themes with your organization's branding, implement SSL certificates, and deploy to production with hot reload development workflow and performance optimization.
Configure Linux process monitoring with top, htop, and btop for system performance analysis
Master Linux process monitoring using top, htop, and btop to analyze system performance, identify resource bottlenecks, and troubleshoot performance issues in production environments.
Configure shell aliases and functions for development productivity
Set up custom shell aliases and functions to streamline your development workflow, reduce typing, and boost terminal productivity with reusable commands and automation shortcuts.
Install and configure Keycloak for enterprise authentication with clustering
Set up Keycloak as an enterprise identity provider with PostgreSQL backend, SSL encryption, and high availability clustering for OAuth2, OpenID Connect, and SAML authentication across your organization.
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