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
3,045

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

hosting
1,760

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

hosting
1,579

Install and configure Ollama for local AI models on Linux servers

devops
1,404

Install and configure Uptime Kuma for website monitoring with SSL and email alerts

monitoring
1,283

Recently published

Implement NGINX Plus active health checks for enterprise environments

hosting
7 hours ago

Setup Prometheus Blackbox Exporter for endpoint monitoring with SSL and alerting

monitoring
12 hours ago

Configure Prometheus alerting with AlertManager notifications and webhook integration

monitoring
17 hours ago

Configure Elasticsearch cross-cluster replication for disaster recovery

databases
22 hours ago

Configure InfluxDB 2.7 clustering for high availability with data replication and automated failover

databases
1 day ago
"keepalived" × Clear all
security Intermediate

Implement network security with iptables connection tracking and stateful packet filtering

Configure iptables with connection tracking modules to implement stateful packet filtering, advanced NAT rules, and comprehensive network security monitoring. Build robust firewall rules that track connection states and provide granular control over network traffic.

45 min 4 distros 461 views
networking Advanced

Set up OpenVPN high availability cluster with automatic failover and load balancing

Build a production-ready OpenVPN high availability cluster using keepalived for automatic failover and HAProxy for load balancing across multiple OpenVPN servers.

90 min 4 distros 353 views
networking Advanced

Configure OSPF with FRRouting 10 for dynamic routing protocols and network failover

Set up OSPF dynamic routing with FRRouting 10 for automatic network failover and route redistribution. Configure area authentication, routing policies, and monitoring for enterprise network resilience.

45 min 4 distros 454 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 856 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 555 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 813 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 851 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 1,026 views
performance Intermediate

Optimize HAProxy performance with connection pooling and advanced load balancing algorithms

Configure HAProxy with connection pooling, advanced load balancing algorithms, and performance tuning for high-throughput workloads. Learn to implement least-conn, URI hashing, and buffer optimization.

25 min 6 distros 788 views
networking Intermediate

Install and configure HAProxy for high availability load balancing

Set up HAProxy with SSL termination, keepalived for high availability, and comprehensive health checks to distribute traffic across multiple backend servers with automatic failover.

45 min 6 distros 728 views

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