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
459

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

devops
435

Install and configure PostgreSQL 17 with performance tuning and security hardening

databases
423

Install and configure WireGuard VPN server with client management

networking
419

Install and configure Loki for centralized log aggregation with Grafana integration

monitoring
414

Recently published

Set up Jaeger multi-datacenter replication for disaster recovery and high availability

monitoring
4 hours ago

Configure SELinux policies for web applications and databases with custom rules and security hardening

security
4 hours ago

Configure Redis 7 Lua scripting and modules for advanced data processing

databases
4 hours ago

Configure MongoDB 8.0 backup automation with systemd timers and compression

databases
4 hours ago

Set up Open vSwitch 3.3 for advanced virtual machine networking with VLAN and bridge configuration

networking
9 hours ago
"high-availability" × Clear all
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 402 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 202 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 369 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 203 views
hosting Intermediate

Install and configure Jetty application server with SSL certificates and performance tuning

Deploy Eclipse Jetty application server with SSL/TLS encryption, systemd service management, and production-ready performance optimizations. Configure reverse proxy integration and security hardening for Java web applications.

45 min 6 distros 303 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 197 views
databases Intermediate

Configure Apache Cassandra cluster with multi-node setup and performance optimization

Set up a production-ready Apache Cassandra cluster with multiple nodes, configure replication strategies, and optimize JVM settings and performance parameters for high-throughput distributed NoSQL workloads.

45 min 6 distros 211 views
performance Intermediate

Optimize Nginx caching performance with Redis backend and memory tuning for high-traffic websites

Supercharge your web application performance by integrating Redis as a caching backend for Nginx using lua-resty-redis. This tutorial covers Redis memory optimization, Nginx worker tuning, and comprehensive performance testing for production environments.

45 min 6 distros 206 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 459 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 227 views
networking Advanced

Configure network interface bonding with LACP and failover for enterprise networking

Set up LACP bonding for high-availability network interfaces with automatic failover. Configure both Linux bonding drivers and switch-side LACP for enterprise network redundancy and increased bandwidth.

45 min 6 distros 190 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 178 views

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