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 Consul backup and disaster recovery with automated snapshots and restoration
Set up automated Consul snapshots with verification, implement disaster recovery procedures, and configure monitoring for production-grade backup strategies that ensure service discovery data protection.
Set up automated MySQL database backups with compression and rotation
Create production-grade MySQL backup automation with gzip compression, logrotate management, and systemd timer scheduling. Includes integrity checking and email notifications for reliable database protection.
Configure network interface monitoring with ICMP ping and connectivity testing
Set up automated network connectivity monitoring using ICMP ping tests with email alerts for interface failures. Create comprehensive network health checks and reporting for production systems.
Install and configure Deno for web development with systemd and reverse proxy
Deploy production-ready Deno web applications with automatic process management using systemd and secure SSL termination through Nginx reverse proxy configuration.
Configure Linux cron jobs and system task scheduling with best practices
Learn to configure cron jobs and systemd timers for automated task scheduling on Linux systems with proper logging, security, and troubleshooting techniques.
Install and configure DuckDB for analytical workloads with Python integration
Set up DuckDB, the high-performance analytical database, with CLI tools and Python integration for fast OLAP queries and data analytics workloads.
Monitor system resources with Netdata real-time performance dashboard
Set up Netdata for comprehensive real-time monitoring of CPU, memory, disk, and network resources with a web-based dashboard, email alerts, and customizable thresholds.
Configure Linux audit system with auditd for security compliance and file monitoring
Set up the Linux audit system with auditd to monitor file access, user activities, and system calls for security compliance. Learn to create audit rules, analyze logs, and track privilege escalations.
Set up network interface monitoring with SNMP and basic traffic analysis
Learn how to install and configure SNMP daemon for network interface monitoring, implement basic traffic analysis with automated alerting, and create monitoring scripts with cron jobs for continuous network performance tracking.
Install and configure Uptime Kuma for website monitoring with SSL and email alerts
Learn how to install Uptime Kuma, a self-hosted monitoring tool, with SSL certificates, email notifications, and comprehensive website monitoring capabilities. Set up automated alerts and maintain reliable uptime tracking for your web services.
Install and configure MongoDB 8.0 with authentication and SSL encryption
Set up MongoDB 8.0 from official repositories with authentication enabled and SSL/TLS encryption. Configure admin users, implement security hardening, and establish monitoring for production deployments.
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.
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