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.
Browse by topic
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 ArgoCD for GitOps continuous deployment with RBAC and SSL
devopsInstall and configure CockroachDB cluster with high availability and distributed SQL
databasesInstall and configure PostgreSQL 17 with performance tuning and security hardening
databasesInstall and configure Loki for centralized log aggregation with Grafana integration
monitoringInstall and configure WireGuard VPN server with client management
networkingRecently published
Configure Nagios SNMP monitoring for network devices with automated discovery and templates
monitoringIntegrate Elasticsearch 8 with Prometheus monitoring and Grafana dashboards
monitoringSet up NGINX web application firewall with ModSecurity 3 and OWASP Core Rule Set
securityConfigure NGINX reverse proxy with advanced caching and load balancing
hostingConfigure Netdata alerts with Slack and Microsoft Teams for real-time monitoring notifications
monitoringOptimize Redis 7 memory usage and performance with advanced configuration tuning
Learn to optimize Redis 7 memory consumption and performance through advanced configuration tuning, including eviction policies, compressed data structures, active defragmentation, and comprehensive monitoring techniques.
Install and configure Gunicorn application server with systemd and reverse proxy for Python web applications
Deploy Python web applications in production using Gunicorn WSGI server with systemd service management and Nginx reverse proxy. Includes performance tuning, security hardening, and monitoring setup.
Optimize Linux network stack performance with sysctl tuning and TCP congestion control
Learn how to optimize Linux network performance using sysctl kernel parameters, TCP BBR congestion control, and advanced buffer tuning. This guide covers baseline testing, monitoring, and production-grade configurations for high-throughput servers.
Install and configure OpenResty web server with Lua scripting and performance optimization
Set up OpenResty as a high-performance web server and API gateway with embedded Lua scripting capabilities, SSL certificates, and advanced caching optimization for production workloads.
Optimize HAProxy performance with connection pooling and advanced load balancing algorithms
Configure HAProxy with connection pooling, advanced load balancing algorithms, and performance tuning for high-throughput workloads. Learn to implement least-conn, URI hashing, and buffer optimization.
Configure Linux system resource limits with systemd and ulimit for application performance
Learn to configure Linux system resource limits using systemd, ulimit, and /etc/security/limits.conf to prevent application failures from resource exhaustion. Master per-user, per-service, and system-wide limits for optimal performance.
Install and configure OpenLiteSpeed web server with SSL and PHP for high-performance hosting
Set up OpenLiteSpeed web server with SSL certificates, PHP LSAPI, and built-in caching for superior performance compared to Apache and Nginx. Includes security hardening and monitoring configuration.
Optimize Apache HTTP server performance with caching, compression and worker tuning
Boost Apache performance through worker MPM optimization, compression modules, and intelligent caching strategies. Achieve 3-5x performance improvements for high-traffic production workloads.
Optimize MySQL query performance with indexes and query profiling for high-traffic applications
Learn how to dramatically improve MySQL query performance using proper indexing strategies, query profiling tools, and InnoDB optimization techniques. This tutorial covers slow query log analysis, EXPLAIN plan interpretation, and memory tuning for production databases.
Install and configure Lighttpd web server with SSL and FastCGI for lightweight hosting
Set up Lighttpd web server with SSL certificates from Let's Encrypt and FastCGI support for PHP applications. Configure virtual hosts, optimize performance, and implement security hardening for production hosting.
Install and configure Caddy web server with automatic HTTPS and reverse proxy
Set up Caddy, a modern web server with automatic HTTPS certificates from Let's Encrypt, zero-config HTTP/2, and built-in reverse proxy capabilities for production applications.
Configure Apache web server with virtual hosts and SSL certificates
Set up Apache HTTP server with multiple virtual hosts, secure SSL certificates from Let's Encrypt, and implement security hardening for production workloads.
Need help?
Don't want to manage this yourself?
We handle infrastructure for businesses that depend on uptime. From initial setup to ongoing operations.
Talk to an engineer