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
10,850

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

linux
6,857

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

monitoring
6,722

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

hosting
5,852

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

databases
5,322

Recently published

Fix PostgreSQL FATAL sorry, too many clients already

linux
1 day ago

Configure Istio multi-cluster disaster recovery and automated failover

devops
1 week ago

Set up automated MariaDB Galera cluster backups with compression

databases
2 weeks ago

Configure MariaDB ColumnStore for high-performance analytics workloads

databases
3 weeks ago

Implement Kibana 8 custom threat hunting dashboards for security incident response

monitoring
3 weeks 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 1,271 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 1,904 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 1,708 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 1,900 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 2,429 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 2,278 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 2,005 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 2,157 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 1,917 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 2,585 views

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