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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Configure Linux system time synchronization with chrony and NTP hardening

linux
896

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

hosting
764

Set up Node.js application security with Helmet and rate limiting

security
758

Install and configure Uvicorn ASGI server with systemd and reverse proxy for FastAPI applications

hosting
757

Install and configure PostgreSQL 17 with performance tuning and security hardening

databases
732

Recently published

Configure Cherokee web server with MySQL database optimization and performance tuning

hosting
3 hours ago

Configure Cassandra SSL encryption and authentication with security hardening

databases
8 hours ago

Install and configure ntopng for comprehensive network monitoring with traffic analysis and real-time dashboards

networking
8 hours ago

Optimize Cassandra data modeling and query performance with advanced tuning and monitoring

databases
8 hours ago

Monitor system time drift with Prometheus and Grafana alerts

monitoring
8 hours ago
"cicd" × Clear all
devops Intermediate

Set up GitLab container registry mirror and proxy cache for improved performance

Configure GitLab's built-in container registry as a mirror and proxy cache to reduce Docker Hub rate limits, speed up image pulls, and improve CI/CD pipeline performance across your organization.

45 min 4 distros 57 views
devops Intermediate

Configure SonarQube quality gates and custom rules for enterprise code analysis

Set up SonarQube quality gates with custom conditions and coding rules to enforce enterprise-grade code quality standards. Configure LDAP authentication and integrate with CI/CD pipelines for automated code analysis workflows.

45 min 4 distros 26 views
devops Intermediate

Implement GitLab CI/CD security scanning for Docker images

Set up automated container vulnerability scanning in GitLab CI/CD pipelines with Trivy and registry integration. Implement security gates, quality controls, and automated reporting for production-ready DevSecOps workflows.

45 min 4 distros 56 views
devops Advanced

Implement Ansible AWX Tower for enterprise automation workflows with RBAC and inventory management

Deploy Ansible AWX with Docker Compose for centralized automation management. Configure enterprise RBAC, dynamic inventory sources, and workflow templates for scalable infrastructure orchestration across multiple environments.

45 min 4 distros 60 views
security Intermediate

Configure SonarQube LDAP authentication and user management with Active Directory integration

Set up enterprise user authentication for SonarQube using LDAP and Active Directory. Configure group mapping, role-based access control, and automated user provisioning for centralized identity management.

45 min 4 distros 164 views
devops Advanced

Integrate SonarQube with Kubernetes security scanning workflows for continuous code quality analysis

Set up SonarQube scanner in Kubernetes pods with admission controllers for automated security scanning. Configure CI/CD pipeline integration and security reporting for continuous code quality analysis in containerized environments.

45 min 4 distros 378 views
devops Intermediate

Configure GitLab container registry with SSL certificates and security hardening

Set up GitLab's integrated Docker registry with SSL/TLS encryption, security headers, and production-ready hardening for secure container image storage and distribution.

45 min 4 distros 281 views
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 357 views
devops Intermediate

Implement Ansible testing with Molecule and TestInfra for infrastructure automation validation

Set up comprehensive testing for Ansible playbooks using Molecule framework and TestInfra validation. Create automated test scenarios, integrate with CI/CD pipelines, and ensure infrastructure code reliability in production environments.

45 min 4 distros 515 views
devops Intermediate

Install and configure Helm 3 for Kubernetes package management with security and private repositories

Learn to install Helm 3 on Linux, configure private repositories with authentication, implement security best practices with RBAC, and integrate with CI/CD pipelines for automated Kubernetes deployments.

45 min 6 distros 548 views
devops Intermediate

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

Set up ArgoCD on Kubernetes with SSL certificates, RBAC user management, and high availability for production GitOps continuous deployment workflows.

45 min 6 distros 676 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 406 views

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