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
9,936

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

monitoring
5,667

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

hosting
4,705

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

databases
4,121

Install and configure Ollama for local AI models on Linux servers

devops
4,081

Recently published

Configure PostgreSQL 17 SSL encryption and certificate-based authentication

databases
1 week ago

Set up HAProxy SSL termination with Let's Encrypt certificates

networking
1 week ago

Configure HAProxy with Consul for dynamic service discovery

networking
2 weeks ago

Configure PostgreSQL 17 connection pooling with PgBouncer for high availability

databases
2 weeks ago

Configure Kubernetes secrets management with External Secrets Operator and HashiCorp Vault

devops
3 weeks ago
"resilience" × Clear all
networking Advanced

Implement Consul multi-datacenter replication with WAN federation

Set up Consul WAN federation to replicate services and configuration across multiple datacenters with ACL token replication, health monitoring, and automatic failover capabilities.

45 min 4 distros 535 views
databases Advanced

Configure MariaDB Galera cluster for multi-master replication with automatic failover

Set up a highly available MariaDB Galera cluster with multi-master replication and automatic failover for production database workloads. This tutorial covers cluster initialization, node configuration, and monitoring setup across multiple servers.

45 min 4 distros 662 views
monitoring Intermediate

Configure Prometheus Alertmanager with custom webhook integrations for Slack, Microsoft Teams, and PagerDuty notifications

Set up Prometheus Alertmanager with webhook receivers for Slack, Microsoft Teams, and PagerDuty notifications. Configure routing rules, test notifications, and implement alert escalation workflows for comprehensive monitoring coverage.

45 min 4 distros 951 views
databases Advanced

Configure Elasticsearch 8 cross-cluster replication for disaster recovery

Set up cross-cluster replication between Elasticsearch 8 clusters to ensure data resilience and business continuity. This advanced configuration creates automatic data synchronization across geographically distributed clusters for disaster recovery scenarios.

45 min 4 distros 713 views
devops Advanced

Set up Consul multi-datacenter replication with ACL token replication

Configure Consul WAN federation across multiple datacenters with secure ACL token replication. Enable automatic token synchronization, gossip encryption, and cross-datacenter service discovery for distributed infrastructure.

45 min 4 distros 546 views
devops Advanced

Implement Istio circuit breaker and retry policies for microservices resilience and fault tolerance

Configure Istio destination rules with circuit breaker patterns, implement retry policies with exponential backoff, and set up comprehensive fault injection testing for microservices resilience in Kubernetes service mesh environments.

45 min 4 distros 726 views
security Advanced

Configure Keycloak high availability clustering for production with load balancing and failover

Set up a production-ready Keycloak cluster with PostgreSQL backend, HAProxy load balancing, and automatic failover to ensure identity services remain available during node failures and high traffic.

90 min 4 distros 986 views
monitoring Intermediate

Configure Prometheus Alertmanager for email and Slack notifications with webhook integration

Set up Prometheus Alertmanager to send critical alerts via email and Slack channels with custom webhook integration. This tutorial covers installation, SMTP configuration, routing rules, and alert notification testing.

25 min 4 distros 658 views
databases Intermediate

Monitor PostgreSQL performance with pg_stat_statements extension for query analysis and optimization

Set up pg_stat_statements extension to collect query statistics, analyze slow queries, and optimize PostgreSQL database performance with automated monitoring alerts.

25 min 4 distros 822 views
monitoring Advanced

Install and configure Graylog 5 for centralized log management with MongoDB and Elasticsearch

Set up Graylog 5 with MongoDB 8.0 and Elasticsearch 8 for centralized log collection, analysis, and alerting. Learn to configure secure inputs, data streams, and monitoring for production environments.

45 min 4 distros 873 views
monitoring Intermediate

Set up OpenTelemetry metrics collection with Prometheus integration for distributed system monitoring

Configure OpenTelemetry Collector to gather metrics from distributed services and export them to Prometheus for comprehensive observability monitoring. This integration provides unified metrics collection across your microservices architecture.

25 min 4 distros 908 views
devops Advanced

Set up Apache Airflow high availability with CeleryExecutor and Redis clustering

Deploy Apache Airflow in high availability mode using CeleryExecutor with Redis clustering for task distribution, PostgreSQL connection pooling, and load-balanced webservers for production-grade workflow orchestration.

45 min 4 distros 1,326 views

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