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.

security Intermediate

Implement network security policies with iptables and firewalld for enterprise infrastructure protection

Configure enterprise-grade network security with iptables and firewalld, implementing zone-based policies, advanced rules, and comprehensive logging for production infrastructure protection.

45 min 4 distros 143 views
security Intermediate

Implement container security with AppArmor and seccomp profiles

Secure your containers with AppArmor mandatory access controls and seccomp system call filtering. Learn to create custom security profiles, implement runtime policies, and monitor container security violations in production environments.

45 min 4 distros 460 views
security Advanced

Implement Tailscale OAuth integration with identity providers for enterprise authentication

Configure Tailscale with enterprise identity providers including SAML and OIDC authentication, implement access control policies, and manage users across distributed teams for secure zero-trust networking.

45 min 4 distros 1,000 views
security Intermediate

Implement OpenLiteSpeed WAF and DDoS protection with ModSecurity 3 and rate limiting

Set up comprehensive web application security for OpenLiteSpeed with ModSecurity 3 web application firewall, OWASP Core Rule Set for threat protection, and advanced rate limiting to defend against DDoS attacks and malicious traffic.

45 min 4 distros 251 views
databases Advanced

Setup automated backup verification and recovery testing with PostgreSQL, MySQL and filesystem backups

Build a comprehensive backup verification framework that automatically tests database restores, validates filesystem backups, and performs recovery testing using systemd timers and custom scripts.

45 min 4 distros 175 views
security Intermediate

Implement Linux security hardening with CIS benchmarks and automated compliance scanning

Harden your Linux systems using CIS benchmarks with automated compliance scanning and continuous monitoring. Learn to implement security controls for filesystem permissions, user authentication, network policies, and maintain ongoing compliance with industry standards.

45 min 4 distros 175 views
devops Advanced

Configure ArgoCD with SonarQube quality gates for GitOps deployment validation

Set up automated quality gate validation in ArgoCD using SonarQube webhooks and pre-sync hooks to prevent deployments that fail code quality standards. This integration ensures only code that passes your quality criteria gets deployed to production.

45 min 4 distros 213 views
monitoring Intermediate

Set up Apache Airflow performance monitoring with DataDog agent integration and custom dashboards

Configure comprehensive Apache Airflow monitoring using DataDog agent to track DAG performance, task execution metrics, and resource utilization with custom dashboards and automated alerting for production workflow management.

45 min 4 distros 211 views
security Advanced

Integrate WireGuard VPN server with LDAP authentication for enterprise user management

Configure WireGuard VPN server to authenticate users against LDAP directory services like Active Directory. Automate client certificate management and implement centralized user access control for enterprise environments.

45 min 4 distros 203 views
devops Advanced

Setup Tekton Pipelines 0.62 for Kubernetes CI/CD with security scanning integration

Configure Tekton Pipelines for cloud-native CI/CD with automated security scanning, Git webhooks, and production-ready RBAC policies. Build secure container pipelines with integrated vulnerability detection and compliance checks.

45 min 4 distros 212 views
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 243 views
devops Advanced

Integrate AWX 24.6 with HashiCorp Vault for dynamic secrets management and secure automation workflows

Configure AWX to securely retrieve database credentials and API keys from HashiCorp Vault using dynamic secrets that automatically rotate. Set up credential types, database engines, and secure playbook execution with centralized secrets management.

45 min 4 distros 258 views

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