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
10,610

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

monitoring
6,464

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

linux
5,910

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

hosting
5,535

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

databases
5,070

Recently published

Set up automated MariaDB Galera cluster backups with compression

databases
1 week ago

Configure MariaDB ColumnStore for high-performance analytics workloads

databases
1 week ago

Implement Kibana 8 custom threat hunting dashboards for security incident response

monitoring
1 week ago

Configure Logstash 8 security pipelines with threat intelligence enrichment

monitoring
3 weeks ago

Configure Ansible Vault integration with HashiCorp Vault for secrets management

devops
3 weeks ago
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linux Beginner

Configure shell aliases and functions for development productivity

Set up custom shell aliases and functions to streamline your development workflow, reduce typing, and boost terminal productivity with reusable commands and automation shortcuts.

20 min 4 distros 997 views
devops Advanced

Integrate Jaeger with Kubernetes service mesh for comprehensive distributed tracing

Set up production-grade distributed tracing in Kubernetes using Jaeger with Istio service mesh integration. Configure OpenTelemetry instrumentation, Elasticsearch storage backend, and comprehensive observability for microservices.

45 min 4 distros 1,067 views
linux Intermediate

Implement Linux resource quotas with systemd and automated enforcement

Configure systemd resource control and cgroups v2 to implement CPU, memory, and I/O quotas with automated enforcement. Set up monitoring and alerts for resource violations across production workloads.

45 min 4 distros 1,859 views
security Intermediate

Implement container security monitoring with Falco runtime detection

Set up Falco for real-time container security monitoring with runtime threat detection, Kubernetes integration, and automated alerting through Grafana dashboards.

45 min 4 distros 1,167 views
hosting Intermediate

Configure Tomcat 11 database connection pooling with JNDI and HikariCP for high availability

Set up production-grade database connection pooling in Tomcat 11 using JNDI resources and HikariCP for optimal performance and high availability. Learn to configure server.xml, context.xml, and monitor connection pools effectively.

25 min 4 distros 1,299 views
security Advanced

Configure Keycloak OAuth2 integration with OpenResty for enterprise SSO

Set up enterprise single sign-on by integrating Keycloak OAuth2 authentication with OpenResty using lua-resty-openidc. Configure secure authentication flows, JWT token validation, and session management for production web applications.

45 min 4 distros 1,185 views
security Intermediate

Configure intrusion detection with OSSEC and Wazuh for real-time security monitoring

Set up comprehensive host-based intrusion detection with OSSEC HIDS and Wazuh manager for real-time security monitoring, file integrity checking, and automated threat response across your infrastructure.

45 min 4 distros 1,254 views
databases Intermediate

Configure MongoDB 8.0 replica set with automatic failover for high availability

Set up a MongoDB 8.0 replica set with multiple nodes and automatic failover to ensure high availability and data redundancy. This configuration provides seamless database operations even when primary nodes fail.

45 min 4 distros 977 views
linux Intermediate

Implement Linux memory cgroups for container workload isolation

Configure cgroups v2 memory subsystem to isolate container workloads with precise memory limits, monitoring, and automated enforcement for production environments.

45 min 4 distros 1,119 views
devops Intermediate

Configure Kubernetes External DNS for automatic DNS record management with cloud providers

Set up External DNS controller to automatically create and manage DNS records for your Kubernetes services and ingresses. This tutorial covers installation, cloud provider integration, and security configuration for production-ready DNS automation.

25 min 4 distros 1,266 views
monitoring Intermediate

Monitor Django applications with Prometheus and Grafana for comprehensive performance insights

Set up comprehensive Django application monitoring using Prometheus metrics collection and Grafana dashboards. Configure django-prometheus middleware to track request metrics, database queries, and application performance with real-time alerting.

45 min 4 distros 1,204 views
linux Intermediate

Configure Linux user session limits with systemd and pam_limits for resource management

Learn to set up comprehensive user session resource limits using both traditional pam_limits.conf and modern systemd user slices. This tutorial covers memory, CPU, and process limits to prevent resource exhaustion on multi-user systems.

25 min 4 distros 1,383 views

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