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 Uvicorn ASGI server with systemd and reverse proxy for FastAPI applications
hostingInstall and configure Uptime Kuma for website monitoring with SSL and email alerts
monitoringRecently published
Setup Node.js error tracking with Sentry for production monitoring and debugging
monitoringImplement Node.js application monitoring with Prometheus metrics and Grafana dashboards
monitoringImplement OSPF multi-area design with FRRouting and advanced routing policies
networkingConfigure Istio security policies with external authorization services integration
securityImplement Docker network security with custom bridge networks and container isolation
securityConfigure Linux cgroups v2 for container resource management and isolation
Set up cgroups v2 for container resource limits, CPU and memory isolation, and performance monitoring with systemd integration across modern Linux distributions.
Configure Linux process scheduling and CPU affinity for performance optimization
Learn to optimize Linux process performance by configuring CPU scheduling priorities, CPU affinity, and systemd resource management for better workload distribution and reduced context switching.
Configure Linux swap space with memory management and performance optimization
Set up and optimize Linux swap space for better system performance. Learn to create swap files, configure swappiness parameters, and monitor memory usage across different Linux distributions.
Configure Linux container memory limits and monitoring with systemd and cgroups v2
Set up memory limits and monitoring for containers using systemd services and cgroups v2 to prevent OOM kills and track resource usage.
Configure Linux kernel parameters with sysctl for system optimization
Learn to view, modify, and persist Linux kernel parameters using sysctl for system performance tuning. Configure network, memory, and security settings safely with temporary and permanent changes.
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