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
10,908

Fix apt update E: Repository no longer has a Release file

linux
7,303

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

monitoring
6,788

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

hosting
5,935

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

databases
5,402

Recently published

Fix PostgreSQL FATAL sorry, too many clients already

linux
6 days ago

Configure Istio multi-cluster disaster recovery and automated failover

devops
1 week ago

Set up automated MariaDB Galera cluster backups with compression

databases
3 weeks ago

Configure MariaDB ColumnStore for high-performance analytics workloads

databases
4 weeks ago

Implement Kibana 8 custom threat hunting dashboards for security incident response

monitoring
1 month ago
"load balancing" × Clear all
devops Advanced

Configure Istio multi-cluster disaster recovery and automated failover

Build a production-grade Istio primary-remote multi-cluster topology with shared trust, locality-aware failover, and automated recovery testing. Covers cross-cluster service discovery, Kiali and Prometheus monitoring, and control plane backup procedures.

90 min 4 distros 215 views
monitoring Advanced

Implement Thanos Ruler for distributed alerting and recording rules across Prometheus clusters

Deploy Thanos Ruler to evaluate recording and alerting rules across multiple Prometheus clusters, integrate it with Alertmanager and S3-compatible storage, and run it in HA mode with deduplication.

60 min 4 distros 472 views
monitoring Advanced

Configure Kubernetes network monitoring with Hubble and Cilium for traffic visibility

Enable Hubble on Cilium to get real-time eBPF-based flow visibility, deploy Hubble UI and Relay, and integrate flow metrics with Prometheus and Grafana for full Kubernetes network observability.

75 min 4 distros 584 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 694 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 661 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 990 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 934 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 907 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 1,562 views
hosting Intermediate

Setup OpenResty load balancing with health checks and automatic failover

Configure OpenResty with upstream backend servers, implement health monitoring, and set up automatic failover for high availability load balancing.

45 min 4 distros 2,556 views
monitoring Advanced

Setup Jaeger sampling strategies for high-volume production tracing

Configure advanced Jaeger sampling strategies to efficiently capture traces in high-traffic production environments while controlling storage costs and maintaining observability.

45 min 4 distros 1,175 views
hosting Intermediate

Configure Apache reverse proxy with caching for microservices

Set up Apache HTTP Server as a reverse proxy with intelligent caching for microservices architectures. This tutorial covers mod_proxy, mod_cache configuration, cache policies, and monitoring for high-performance service delivery.

25 min 4 distros 1,059 views

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