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.

networking Intermediate

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

Set up ntopng to monitor network traffic in real-time with detailed analytics, bandwidth monitoring, and customizable dashboards. Learn to configure interface monitoring, traffic analysis rules, and alerting for complete network visibility.

45 min 4 distros 122 views
linux Intermediate

Configure systemd service resource limits and security isolation

Configure cgroups v2 resource limits and security isolation for systemd services to prevent resource exhaustion and improve system security. This tutorial covers memory, CPU, and I/O limits with monitoring and troubleshooting.

35 min 4 distros 139 views
devops Intermediate

Deploy FastAPI applications with Docker Compose and production optimization

Learn to containerize FastAPI applications with Docker Compose, integrate PostgreSQL and Redis services, configure Nginx reverse proxy with SSL, and implement production monitoring for scalable microservices deployment.

45 min 4 distros 265 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 291 views
devops Intermediate

Configure container resource limits with Docker and systemd for production workloads

Learn to set memory, CPU, and I/O limits for Docker containers using both Docker runtime constraints and systemd service limits. Master cgroups v2 integration for bulletproof resource management in production environments.

25 min 4 distros 89 views
monitoring Intermediate

Configure Prometheus alerting rules for cgroup metrics monitoring and container resource alerts

Set up comprehensive Prometheus alerting rules for monitoring cgroup resource usage with automated threshold alerts for CPU, memory, and I/O limits. Configure Alertmanager notifications for container resource exhaustion and system health monitoring.

45 min 4 distros 124 views
performance Intermediate

Configure Tomcat 11 database connection pooling with HikariCP and JNDI optimization for high-performance applications

Set up efficient database connection pooling in Apache Tomcat 11 using HikariCP through JNDI configuration. Optimize connection parameters, implement proper resource management, and configure monitoring for production database workloads.

25 min 4 distros 102 views
linux Intermediate

Configure Linux cgroups v2 for container resource management and isolation

Set up cgroups v2 for container resource limits, CPU and memory isolation, and performance monitoring with systemd integration across modern Linux distributions.

25 min 4 distros 107 views
performance Intermediate

Configure Linux process scheduling and CPU affinity for performance optimization

Learn to optimize Linux process performance by configuring CPU scheduling priorities, CPU affinity, and systemd resource management for better workload distribution and reduced context switching.

45 min 4 distros 175 views
devops Intermediate

Implement Kubernetes pod disruption budgets for high availability during scaling events

Configure Pod Disruption Budgets to ensure application availability during cluster maintenance and scaling operations. Learn to implement PDB policies, test disruption scenarios, and maintain service continuity in Kubernetes.

25 min 4 distros 273 views
devops Intermediate

Configure Kubernetes vertical pod autoscaler for resource optimization and cost management

Set up VPA to automatically adjust CPU and memory requests for your Kubernetes workloads. Reduce resource waste and optimize costs by letting VPA analyze actual usage patterns and rightsizing containers.

25 min 4 distros 82 views
devops Advanced

Configure Kubernetes cluster autoscaler with mixed instance types for cost optimization

Set up Kubernetes cluster autoscaler 1.30 with mixed instance types and spot instances to automatically scale nodes based on demand while minimizing infrastructure costs through intelligent instance selection and workload optimization.

45 min 4 distros 137 views

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