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 CockroachDB cluster with high availability and distributed SQL

databases
425

Install and configure ArgoCD for GitOps continuous deployment with RBAC and SSL

devops
424

Install and configure PostgreSQL 17 with performance tuning and security hardening

databases
411

Install and configure Loki for centralized log aggregation with Grafana integration

monitoring
404

Install and configure WireGuard VPN server with client management

networking
403

Recently published

Configure Nagios SNMP monitoring for network devices with automated discovery and templates

monitoring
7 hours ago

Integrate Elasticsearch 8 with Prometheus monitoring and Grafana dashboards

monitoring
7 hours ago

Set up NGINX web application firewall with ModSecurity 3 and OWASP Core Rule Set

security
7 hours ago

Configure NGINX reverse proxy with advanced caching and load balancing

hosting
7 hours ago

Configure Netdata alerts with Slack and Microsoft Teams for real-time monitoring notifications

monitoring
17 hours ago
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security Intermediate

Configure GitLab LDAP authentication and user management with Active Directory integration

Set up GitLab LDAP authentication with Active Directory to centralize user management, enable automatic user provisioning, and implement group-based access control for your GitLab instance.

45 min 4 distros 100 views
monitoring Intermediate

Configure Grafana dashboards for InfluxDB collectd metrics with advanced visualization and alerting

Build comprehensive Grafana dashboards to visualize collectd system metrics stored in InfluxDB with custom panels, advanced queries, and automated alerting rules for production monitoring.

45 min 4 distros 132 views
devops Intermediate

Setup SonarQube scanner for multiple programming languages with automated code quality analysis

Configure SonarQube Scanner CLI to analyze Java, Python, JavaScript, and C# projects with automated quality gates and CI/CD integration. Streamline code quality analysis across your entire development pipeline with Docker and Jenkins automation.

45 min 4 distros 159 views
devops Advanced

Integrate Apache Airflow with Kubernetes RBAC and service accounts for secure workflow orchestration

Configure Apache Airflow KubernetesExecutor with proper RBAC permissions, service accounts, and role bindings to securely orchestrate workflows in Kubernetes environments with least-privilege access controls.

45 min 4 distros 207 views
security Advanced

Configure Apache Airflow LDAP authentication and RBAC with Active Directory integration

Configure Apache Airflow with LDAP authentication against Active Directory, implement role-based access control (RBAC), and set up secure user group management for enterprise environments.

45 min 4 distros 183 views
devops Intermediate

Install and configure Apache Airflow with PostgreSQL backend and secure production deployment

Learn to deploy Apache Airflow in production with PostgreSQL backend, systemd services, SSL/TLS encryption, and security hardening for enterprise workflow orchestration.

45 min 6 distros 331 views
devops Intermediate

Install and configure SonarQube for code quality analysis with PostgreSQL and SSL

Set up SonarQube Community Edition with PostgreSQL database backend, SSL/TLS encryption, and CI/CD integration for comprehensive static code analysis and security scanning.

45 min 6 distros 176 views
security Intermediate

Install and configure Keycloak for enterprise authentication with clustering

Set up Keycloak as an enterprise identity provider with PostgreSQL backend, SSL encryption, and high availability clustering for OAuth2, OpenID Connect, and SAML authentication across your organization.

45 min 6 distros 163 views
devops Intermediate

Install and configure Nexus Repository Manager for private Docker and Maven repositories

Set up Nexus Repository Manager OSS with SSL-enabled Docker registry, Maven repositories, and automated backups for secure artifact management in enterprise environments.

45 min 6 distros 181 views
devops Intermediate

Install and configure GitLab CE with CI/CD runners and backup automation

Set up a complete self-hosted GitLab CE instance with SSL encryption, Docker-based CI/CD runners, automated backup system, and security hardening for production workloads.

45 min 6 distros 309 views
databases Intermediate

Install and configure Elasticsearch 8 with security and performance optimization

Set up a production-ready Elasticsearch 8 cluster with SSL/TLS security, optimized JVM settings, and automated backups. Includes memory tuning, index mapping strategies, and common troubleshooting fixes.

45 min 6 distros 179 views

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