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
564

Configure network interface monitoring with ICMP ping and connectivity testing

networking
532

Install and configure PostgreSQL 17 with performance tuning and security hardening

databases
515

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

devops
513

Install and configure Loki for centralized log aggregation with Grafana integration

monitoring
503

Recently published

Implement Linux resource quotas with systemd and automated enforcement

linux
4 hours ago

Implement container security monitoring with Falco runtime detection

security
4 hours ago

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

hosting
4 hours ago

Configure Keycloak OAuth2 integration with OpenResty for enterprise SSO

security
4 hours ago

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

security
13 hours ago
"container-security" × Clear all
monitoring Intermediate

Monitor container performance with Prometheus and cAdvisor for comprehensive metrics collection

Set up comprehensive container monitoring with cAdvisor, Prometheus, and Grafana to collect detailed metrics on CPU, memory, network, and disk usage. This tutorial covers installation, configuration, and alerting for production-ready container performance monitoring.

35 min 4 distros 267 views
security Intermediate

Configure AppArmor security profiles for web servers and databases with custom policy enforcement

Set up mandatory access control for Nginx, Apache, MySQL, and PostgreSQL using AppArmor security profiles. Learn to create custom policies, debug profile violations, and implement advanced enforcement for production web servers and databases.

45 min 6 distros 284 views
devops Advanced

Implement Kubernetes admission controllers with OPA Gatekeeper for policy enforcement

Set up OPA Gatekeeper admission controllers to enforce security policies, resource governance, and compliance rules across your Kubernetes cluster with custom constraint templates.

45 min 4 distros 425 views
security Intermediate

Secure Podman containers with SELinux and AppArmor mandatory access controls

Implement mandatory access controls for Podman containers using SELinux on Red Hat-based systems and AppArmor on Debian-based systems. Learn to configure security policies, monitor violations, and harden container security with production-grade controls.

45 min 4 distros 259 views

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