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 CockroachDB cluster with high availability and distributed SQL

databases
502

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

devops
464

Configure network interface monitoring with ICMP ping and connectivity testing

networking
456

Install and configure PostgreSQL 17 with performance tuning and security hardening

databases
453

Install and configure Loki for centralized log aggregation with Grafana integration

monitoring
453

Recently published

Monitor Elasticsearch cluster with Prometheus and Grafana dashboards

monitoring
55 seconds ago

Implement Redis backup automation with RDB and AOF persistence

databases
2 minutes ago

Set up keepalived cluster monitoring with Prometheus alerts and Grafana dashboards

monitoring
5 minutes ago

Implement Prometheus federation for multi-cluster monitoring with centralized metrics aggregation

monitoring
8 minutes ago

Configure SonarQube LDAP authentication and user management with Active Directory integration

security
5 hours ago
"load-balancing" × Clear all
devops Advanced

Set up Nexus Repository Manager high availability clustering for production scale

Deploy a production-ready Nexus Repository Manager cluster with shared storage, load balancing, and automated failover for enterprise artifact management and zero-downtime operations.

90 min 4 distros 157 views
networking Beginner

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.

45 min 6 distros 456 views
networking Beginner

Configure network interface aliases and secondary IP addresses on Linux

Learn how to configure multiple IP addresses on a single network interface using systemd-networkd and NetworkManager. Set up persistent network aliases for hosting multiple services, load balancing, and network segmentation.

20 min 6 distros 248 views
hosting Beginner

Install and configure Node.js web applications with PM2 and reverse proxy

Deploy production-ready Node.js applications using PM2 process manager and Nginx reverse proxy with SSL certificates, automatic startup, and comprehensive monitoring for high-availability web hosting.

25 min 6 distros 412 views
networking Advanced

Configure OSPF dynamic routing with FRRouting for enterprise network failover

Set up Open Shortest Path First (OSPF) protocol using FRRouting for dynamic network routing, multi-area configurations, and automatic failover in enterprise environments.

45 min 6 distros 250 views
hosting Intermediate

Install and configure Cherokee web server with FastCGI and virtual hosts

Set up Cherokee web server with web-based administration, FastCGI support for PHP applications, SSL-enabled virtual hosts, and performance optimizations for lightweight web hosting environments.

45 min 6 distros 349 views
networking Intermediate

Configure network traffic shaping with tc and HTB for bandwidth management and QoS

Set up hierarchical token bucket (HTB) traffic shaping with tc to control bandwidth allocation, prioritize network traffic, and implement quality of service policies for optimal network performance.

45 min 6 distros 231 views
databases Intermediate

Install and configure CockroachDB cluster with high availability and distributed SQL

Set up a production-ready CockroachDB cluster with SSL certificates, load balancing, and automated backups for distributed SQL workloads. This tutorial covers multi-node deployment, security hardening, and performance optimization for enterprise environments.

45 min 6 distros 502 views
hosting Intermediate

Install and configure Varnish Cache 7 with NGINX backend for high-performance web acceleration

Set up Varnish Cache 7 as a high-performance HTTP accelerator with NGINX backend integration. This tutorial covers installation, SSL termination, cache optimization, purging mechanisms, and monitoring for production environments.

45 min 6 distros 238 views
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 266 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 349 views
performance Intermediate

Optimize Linux network stack performance with sysctl tuning and TCP congestion control

Learn how to optimize Linux network performance using sysctl kernel parameters, TCP BBR congestion control, and advanced buffer tuning. This guide covers baseline testing, monitoring, and production-grade configurations for high-throughput servers.

35 min 6 distros 207 views

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