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
Configure Linux system time synchronization with chrony and NTP hardening
linuxSet up Node.js application security with Helmet and rate limiting
securityInstall and configure PostgreSQL 17 with performance tuning and security hardening
databasesInstall and configure Caddy web server with automatic HTTPS and reverse proxy
hostingConfigure network interface monitoring with ICMP ping and connectivity testing
networkingRecently published
Setup Tailscale site-to-site VPN with multiple exit nodes for redundancy
networkingConfigure FastAPI database connection pooling with PostgreSQL 17 for high-performance applications
databasesConfigure Redis 7 cluster sharding for horizontal scaling with automated failover and monitoring
databasesConfigure H2O HTTP/2 web server caching and compression optimization for high performance
performanceIntegrate H2O with Let's Encrypt for automatic SSL certificates
hostingConfigure Linux NUMA optimization for multi-socket servers with memory policy tuning and CPU affinity
Optimize multi-socket server performance by configuring NUMA memory policies, CPU affinity, and topology-aware application placement. Achieve significant performance gains through proper NUMA optimization.
Set up multi-location monitoring with distributed Uptime Kuma instances
Deploy multiple Uptime Kuma instances across different geographic locations to monitor your services from various vantage points. This setup provides comprehensive monitoring coverage, reduces false positives, and enables regional performance analysis with centralized alerting.
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