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
securitySet up Linux performance monitoring with perf tools and flame graphs
Configure perf tools and FlameGraph toolkit to capture detailed CPU profiling data and generate interactive flame graphs for Linux performance analysis. Monitor application hotspots, CPU usage patterns, and identify performance bottlenecks in production environments.
Optimize CockroachDB 24.3 performance with advanced tuning and configuration
Master advanced CockroachDB 24.3 performance optimization through memory, CPU, storage, and query tuning. Configure cluster parameters, connection pooling, and indexing strategies for production-grade distributed SQL workloads.
Configure system backup automation with BorgBackup and systemd timers
Set up automated, deduplicated backups with BorgBackup and systemd timers for reliable system protection. This tutorial covers installation, repository setup with encryption, automated scheduling, and monitoring for production environments.
Configure Linux system performance monitoring with sar and sysstat for real-time metrics collection
Set up comprehensive system performance monitoring using sar and sysstat to collect CPU, memory, disk I/O, and network metrics with automated reporting and custom alerting for production Linux servers.
Benchmark and optimize Linux disk I/O performance with fio testing
Learn how to benchmark disk I/O performance using fio (Flexible I/O tester) to identify storage bottlenecks and optimize your Linux system's disk performance through comprehensive read/write testing and analysis.
Optimize Linux system performance with htop process monitoring and resource analysis
Learn to use htop for advanced Linux system monitoring, process management, and performance optimization. Master resource analysis, identify bottlenecks, and automate monitoring tasks for production environments.
Optimize Linux filesystem performance with mount options and I/O schedulers
Learn to optimize Linux filesystem performance by configuring I/O schedulers, tuning ext4 mount options, and monitoring disk performance with iostat and iotop for high-throughput workloads.
Configure Linux process resource monitoring and alerting with cgroups and systemd
Set up comprehensive process resource monitoring using cgroups v2 and systemd to track CPU, memory, and I/O usage with automated alerting when processes exceed defined limits.
Optimize Linux I/O performance with kernel tuning and storage schedulers for high-throughput workloads
Learn how to optimize Linux I/O performance through kernel parameter tuning, storage scheduler configuration, and filesystem optimizations. This tutorial covers scheduler selection, queue depth tuning, and performance monitoring for high-throughput applications.
Configure Linux memory management and swap optimization for high-performance workloads
Optimize Linux memory subsystem performance through advanced swap configuration, virtual memory tuning, and memory compression techniques. Learn to configure transparent huge pages, zram, and application-specific memory settings for high-performance workloads.
Optimize Linux system performance with kernel parameters and system tuning
Learn production-grade Linux performance optimization through systematic kernel parameter tuning, memory management, I/O optimization, and network stack configuration to maximize system throughput and responsiveness.
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