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
10,480

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

monitoring
6,280

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

hosting
5,346

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

linux
5,291

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

databases
4,869

Recently published

Configure MariaDB ColumnStore for high-performance analytics workloads

databases
3 days ago

Implement Kibana 8 custom threat hunting dashboards for security incident response

monitoring
5 days ago

Configure Logstash 8 security pipelines with threat intelligence enrichment

monitoring
2 weeks ago

Configure Ansible Vault integration with HashiCorp Vault for secrets management

devops
2 weeks ago

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

monitoring
3 weeks ago
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databases Advanced

Configure MariaDB ColumnStore for high-performance analytics workloads

Deploy and tune MariaDB ColumnStore for columnar analytics, covering single-node and multi-node cluster setup, table design, memory tuning, bulk loading with cpimport, and cluster health monitoring.

45 min 4 distros 26 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 186 views
monitoring Advanced

Set up Thanos Query and Compactor for distributed metrics querying

Deploy Thanos Sidecar, Query, and Compactor to unify multiple Prometheus instances into a single global query view with long-term S3-backed storage. Covers deduplication, TLS, and production troubleshooting.

75 min 4 distros 201 views
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 298 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 361 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 386 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 540 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 1,354 views
security Advanced

Implement Kubernetes security scanning with Falco and OPA Gatekeeper for runtime protection

Set up comprehensive Kubernetes security with Falco for runtime threat detection and OPA Gatekeeper for admission control policy enforcement. This tutorial covers installation, configuration, and custom security policies.

45 min 4 distros 845 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 1,085 views
networking Advanced

Implement enterprise network QoS with Cisco integration using FRRouting and traffic shaping

Configure enterprise-grade Quality of Service policies with DSCP marking, traffic shaping using tc and HTB, and seamless integration with Cisco equipment through FRRouting BGP and OSPF routing protocols for comprehensive network bandwidth management.

45 min 4 distros 980 views
monitoring Intermediate

Configure ScyllaDB cluster monitoring with Prometheus and Grafana dashboards

Set up comprehensive monitoring for ScyllaDB clusters using Prometheus metrics collection and Grafana visualization dashboards. Configure alerting rules for performance monitoring and health checks.

45 min 4 distros 863 views

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