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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Configure Linux system time synchronization with chrony and NTP hardening

linux
664

Install and configure CockroachDB cluster with high availability and distributed SQL

databases
649

Configure network interface monitoring with ICMP ping and connectivity testing

networking
631

Install and configure PostgreSQL 17 with performance tuning and security hardening

databases
630

Install and configure ArgoCD for GitOps continuous deployment with RBAC and SSL

devops
613

Recently published

Deploy Envoy-based service mesh in Kubernetes production environment with SSL and observability

devops
2 hours ago

Set up Zabbix proxy for distributed network monitoring

monitoring
2 hours ago

Implement Envoy proxy JWT authentication with OAuth2 integration

security
2 hours ago

Configure Kafka Streams for real-time data processing and analytics

devops
2 hours ago

Implement Podman pod security with network policies and microsegmentation

security
11 hours ago
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networking Intermediate

Configure network load balancing with keepalived and VRRP for high availability failover

Set up keepalived with VRRP to create highly available network services with automatic failover. Configure virtual IP addresses that move between servers when one fails, ensuring zero-downtime load balancing.

25 min 6 distros 435 views
performance Intermediate

Optimize NGINX performance with microcaching and worker tuning for high-traffic websites

Configure NGINX for high-traffic websites with microcaching for dynamic content, optimized worker processes, buffer tuning, and compression. Learn to monitor cache performance and troubleshoot memory usage.

25 min 6 distros 412 views
security Intermediate

Configure Linux firewall rules with fail2ban for SSH brute force protection and intrusion prevention

Set up fail2ban to automatically block SSH brute force attacks and protect your Linux server from unauthorized access attempts. Configure custom jails, firewall integration, and email notifications for comprehensive intrusion prevention.

25 min 6 distros 391 views
linux Intermediate

Configure Linux log rotation with logrotate and compression for system maintenance

Master log rotation with logrotate to manage disk space efficiently. Configure custom rotation policies, compression settings, and automated cleanup for applications and system logs.

25 min 6 distros 561 views
security Intermediate

Configure ModSecurity 3 web application firewall with OWASP Core Rule Set for advanced threat protection

Set up ModSecurity 3 with OWASP Core Rule Set 4.0 to protect web applications from SQL injection, XSS, and other attacks. Configure integration with Nginx and Apache, implement custom rules, and optimize performance for production environments.

45 min 6 distros 520 views
performance Intermediate

Optimize Node.js application performance with PM2 clustering and memory management

Learn how to optimize Node.js application performance using PM2 process manager with clustering, memory limits, and monitoring. This tutorial covers production deployment with systemd integration and advanced performance tuning.

25 min 6 distros 384 views
hosting Intermediate

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

Deploy production-ready FastAPI applications using Uvicorn ASGI server with systemd process management and Nginx reverse proxy. Configure SSL termination, load balancing, and comprehensive monitoring for high-performance Python web applications.

25 min 6 distros 516 views
networking Intermediate

Configure network bridge interfaces for VM networking and container communication

Set up Linux network bridges to enable communication between virtual machines, containers, and physical networks. Configure bridge interfaces using netplan, bridge utilities, and implement security policies for production environments.

45 min 6 distros 407 views
hosting Intermediate

Install and configure H2O HTTP/2 web server with FastCGI and SSL certificates

Deploy H2O, a high-performance HTTP/2 web server with native FastCGI support and SSL/TLS termination. Configure virtual hosts, PHP-FPM integration, and performance optimization for production environments.

25 min 6 distros 457 views
security Intermediate

Configure ClamAV antivirus scanning with automated threat detection and email alerts

Set up ClamAV daemon for real-time malware detection with automated scanning schedules, email notifications for threats, and optimized performance settings for production servers.

25 min 6 distros 472 views
performance Intermediate

Optimize Redis 7 memory usage and performance with advanced configuration tuning

Learn to optimize Redis 7 memory consumption and performance through advanced configuration tuning, including eviction policies, compressed data structures, active defragmentation, and comprehensive monitoring techniques.

25 min 6 distros 537 views
security Intermediate

Configure AppArmor security profiles for web servers and databases with custom policy enforcement

Set up mandatory access control for Nginx, Apache, MySQL, and PostgreSQL using AppArmor security profiles. Learn to create custom policies, debug profile violations, and implement advanced enforcement for production web servers and databases.

45 min 6 distros 385 views

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