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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Install and configure Deno for web development with systemd and reverse proxy

hosting
1,796

Install and configure Caddy web server with automatic HTTPS and reverse proxy

hosting
1,408

Install and configure Uvicorn ASGI server with systemd and reverse proxy for FastAPI applications

hosting
1,325

Install and configure Ollama for local AI models on Linux servers

devops
1,163

Configure Linux system time synchronization with chrony and NTP hardening

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Configure Django Redis caching and session storage for high-performance web applications

performance
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Set up Kafka Streams testing framework with TopologyTestDriver for automated stream processing validation

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Benchmark database performance with sysbench and fio integration

databases
16 uur geleden

Configure automated system maintenance with advanced cron scheduling and shell scripts

linux
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Configure Consul multi-datacenter WAN federation for geographic redundancy

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hosting Beginner

Install and configure Waitress WSGI server with SSL certificates for Python web applications

Deploy production-ready Python web applications using Waitress WSGI server with SSL certificates, systemd service management, and reverse proxy configuration for Flask and Django applications.

25 min 6 distros 254 views
linux Beginner

Configure Linux file and directory ownership with chown and security best practices

Learn to properly configure file and directory ownership using chown, understand user and group permissions, and implement secure ownership patterns for web servers and applications.

25 min 6 distros 274 views
hosting Beginner

Install and configure Caddy 2 web server with automatic HTTPS and PHP-FPM

Set up Caddy 2 web server with automatic HTTPS certificates from Let's Encrypt and PHP-FPM integration for dynamic content. Includes virtual hosts, security headers, and systemd service configuration.

25 min 6 distros 216 views
linux Beginner

Fix SSH sign_and_send_pubkey: signing failed: agent refused operation

Resolve SSH authentication errors when the SSH agent refuses to sign public keys. This tutorial covers checking agent status, fixing key permissions, restarting the agent, and troubleshooting SSH client configuration.

20 min 6 distros 393 views
hosting Beginner

Install and configure Tengine web server with SSL certificates and performance optimization

Install Tengine web server from source and packages, configure virtual hosts with SSL certificates, and optimize performance with dynamic upstream health checks and security hardening.

45 min 6 distros 199 views
linux Advanced

Configure Linux transparent huge pages and memory optimization for database workloads

Learn to configure transparent huge pages (THP) and optimize Linux memory management for database workloads. Covers THP disable/enable strategies, performance monitoring, and automation with systemd.

25 min 6 distros 251 views
hosting Beginner

Install and configure Hypercorn ASGI server with systemd and reverse proxy for Python web applications

Deploy Python ASGI applications with Hypercorn server, systemd service management, and Nginx reverse proxy for production environments. Complete setup with SSL termination and performance optimization.

25 min 6 distros 256 views
linux Beginner

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.

20 min 6 distros 246 views
hosting Beginner

Fix nginx worker_connections are not enough warning

Resolve Nginx worker_connections warnings by calculating optimal values and tuning worker processes for high-traffic applications. Learn to analyze connection usage and prevent connection exhaustion.

20 min 6 distros 276 views
linux Beginner

Configure Linux system monitoring with iostat and disk performance analysis

Learn to monitor disk I/O performance with iostat from the sysstat package. Set up real-time monitoring, identify bottlenecks, and automate disk performance analysis with systemd timers.

25 min 6 distros 255 views
hosting Beginner

Fix systemd service keeps restarting in a loop

Stop systemd services from continuously restarting by identifying restart loop causes, debugging configuration issues, and implementing proper service constraints to ensure stable operation.

25 min 6 distros 324 views
linux Advanced

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.

25 min 6 distros 308 views

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