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
7,458

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

hosting
2,895

Install and configure Ollama for local AI models on Linux servers

devops
2,619

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

hosting
2,307

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

monitoring
2,255

Recently published

Configure Consul Connect service mesh monitoring with distributed tracing

monitoring
1 week ago

Configure Kubernetes RBAC with service accounts and cluster roles for secure access control

devops
1 week ago

Implement Deno microservices architecture with service discovery and load balancing

devops
1 week ago

Implement Kubernetes security scanning with Falco and OPA Gatekeeper for runtime protection

security
1 week ago

Configure OpenTelemetry custom metrics for application monitoring with Prometheus and Grafana

monitoring
1 week ago
"troubleshooting" × Clear all
linux Intermediate

Setup log aggregation with rsyslog and logrotate for centralized system monitoring

Configure rsyslog for centralized log collection across servers, implement advanced logrotate policies for automated retention, and set up remote log shipping with filtering for comprehensive system monitoring and audit compliance.

45 min 4 distros 251 views
devops Advanced

Setup Gunicorn blue-green deployment with NGINX for zero downtime Python applications

Configure zero-downtime deployments for Python web applications using Gunicorn blue-green deployment strategy with NGINX reverse proxy, automated health checks, and rollback mechanisms for production reliability.

45 min 4 distros 214 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 297 views
networking Intermediate

Configure network bridge with VLAN support for virtualization

Set up Linux network bridges with VLAN tagging to create isolated network segments for virtual machines and containers. This enables advanced networking scenarios with traffic separation and trunk port functionality.

25 min 4 distros 304 views
linux Intermediate

Configure centralized logging with rsyslog and logrotate for system monitoring and log management

Set up a centralized logging system using rsyslog server to collect logs from multiple clients, implement TLS encryption for secure transmission, and configure logrotate for automated log rotation and management.

45 min 4 distros 324 views
devops Advanced

Configure Apache Airflow DAG performance optimization best practices

Optimize Apache Airflow DAGs for production with parallelism tuning, resource allocation strategies, and performance monitoring. Learn executor configuration, task dependency optimization, and troubleshooting techniques for high-throughput workflows.

45 min 4 distros 360 views
devops Intermediate

Configure Kubernetes resource quotas and limit ranges for namespace-level resource management

Set up Kubernetes resource quotas and limit ranges to control CPU, memory, and storage consumption at the namespace level. This tutorial covers implementing resource constraints, monitoring usage, and troubleshooting quota issues for multi-tenant cluster management.

25 min 4 distros 308 views
devops Intermediate

Configure Kubernetes network policies with Calico CNI for container security and microsegmentation

Set up Calico CNI in Kubernetes to implement network policies for pod-to-pod traffic control, create ingress and egress rules for microsegmentation, and test policy enforcement to secure container communication at the network layer.

35 min 4 distros 286 views
monitoring Intermediate

Implement Grafana advanced alerting with webhooks and notification channels

Set up comprehensive Grafana alerting with webhook endpoints, Slack and Teams notifications, and advanced alert conditions. Configure data sources, create alert rules, and implement custom notification channels for production monitoring.

45 min 4 distros 462 views
monitoring Intermediate

Configure Zabbix 7 email and SMS alerting with escalation rules and notification automation

Set up comprehensive alerting in Zabbix 7 with email notifications, SMS gateway integration, and automated escalation chains. Configure media types, user groups, and action filters for effective incident response workflows.

45 min 4 distros 423 views
networking Advanced

Implement Kubernetes network policies with Calico for microsegmentation

Configure Calico CNI to enforce network policies for pod-to-pod traffic control and namespace isolation. This tutorial covers advanced microsegmentation patterns, ingress/egress rules, and policy monitoring for production Kubernetes security.

45 min 4 distros 481 views
monitoring Intermediate

Monitor Kubernetes cluster with Prometheus Operator for comprehensive observability

Set up complete cluster monitoring using Prometheus Operator with automated metrics collection, custom dashboards, and intelligent alerting for production Kubernetes environments.

45 min 4 distros 263 views

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