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

monitoring
5,795

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

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Install and configure TimescaleDB with PostgreSQL for high-performance time-series data

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Recently published

Configure HAProxy with Consul for dynamic service discovery and automatic backend updates

networking
1 day ago

Implement Istio multi-cluster canary deployments and traffic splitting

devops
3 days ago

Implement HAProxy WAF integration with ModSecurity 3 for advanced threat protection

security
5 days ago

Configure PostgreSQL 17 SSL encryption and certificate-based authentication

databases
2 weeks ago

Set up HAProxy SSL termination with Let's Encrypt certificates

networking
2 weeks ago
"systemctl" × Clear all
networking Advanced

Configure HAProxy with Consul for dynamic service discovery and automatic backend updates

Build a self-updating load balancer by integrating HAProxy with Consul service discovery, consul-template, and health checks so backends register and deregister automatically without manual reloads.

75 min 4 distros 29 views
devops Advanced

Implement Istio multi-cluster canary deployments and traffic splitting

Build a primary-remote Istio multi-cluster mesh with shared trust domain, then run progressive canary rollouts using DestinationRule subsets, weighted VirtualServices and metrics-based promotion across clusters.

90 min 4 distros 47 views
security Advanced

Implement HAProxy WAF integration with ModSecurity 3 for advanced threat protection

Deploy ModSecurity 3 as a Stream Processing Offload Agent in front of HAProxy to inspect HTTP traffic with the OWASP Core Rule Set. This tutorial covers SPOA compilation, SPOE filter configuration, detection versus blocking modes, and production tuning.

75 min 4 distros 31 views
databases Advanced

Configure PostgreSQL 17 SSL encryption and certificate-based authentication

Set up a private CA, issue server and client certificates, enforce TLS 1.2+ with strong ciphers, and configure pg_hba.conf for mutual TLS client certificate authentication in PostgreSQL 17.

45 min 4 distros 138 views
networking Intermediate

Set up HAProxy SSL termination with Let's Encrypt certificates

Learn how to terminate SSL/TLS at HAProxy using Let's Encrypt certificates, redirect HTTP to HTTPS, automate renewal with deploy hooks, and harden your cipher suites for production load balancing.

35 min 4 distros 253 views
networking Advanced

Configure HAProxy with Consul for dynamic service discovery

Learn how to combine HAProxy, Consul and consul-template to build a self-updating load balancer that discovers backends automatically, reacts to health checks, and reloads without downtime.

50 min 4 distros 254 views
databases Intermediate

Configure PostgreSQL 17 connection pooling with PgBouncer for high availability

Deploy PgBouncer in front of PostgreSQL 17 with session, transaction and statement pooling modes, SCRAM-SHA-256 authentication, keepalived-based HA, and Prometheus monitoring for production workloads.

45 min 4 distros 229 views
monitoring Advanced

Configure Consul Connect service mesh monitoring with distributed tracing

Set up comprehensive monitoring for Consul Connect service mesh with Prometheus metrics, Grafana dashboards, Jaeger distributed tracing, and Envoy proxy observability for production-grade service mesh operations.

45 min 4 distros 992 views
devops Advanced

Implement Deno microservices architecture with service discovery and load balancing

Build a production-ready Deno microservices architecture with Consul service discovery, HAProxy load balancing, and comprehensive monitoring using Prometheus. This tutorial covers container orchestration, health checks, and automated failover for scalable applications.

45 min 4 distros 816 views
monitoring Intermediate

Configure OpenTelemetry custom metrics for application monitoring with Prometheus and Grafana

Set up OpenTelemetry SDK to collect custom application metrics, export them to Prometheus for storage, and visualize performance data in Grafana dashboards with automated alerting.

45 min 4 distros 789 views
monitoring Advanced

Configure Jaeger with Elasticsearch backend security and encryption

Set up secure communication between Jaeger and Elasticsearch using TLS encryption, authentication, and production-grade security hardening for distributed tracing infrastructure.

45 min 4 distros 593 views
databases Advanced

Setup ScyllaDB backup validation and automated restore testing

Configure automated ScyllaDB backups with nodetool snapshots, implement validation scripts to verify backup integrity, and set up systemd timers for automated restore testing with Prometheus monitoring.

45 min 4 distros 485 views

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