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

monitoring
6,008

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

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

databases
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Install and configure Ollama for local AI models on Linux servers

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Recently published

Configure Ansible Vault integration with HashiCorp Vault for secrets management

devops
1 day ago

Implement Thanos Ruler for distributed alerting and recording rules across Prometheus clusters

monitoring
5 days ago

Set up Thanos Query and Compactor for distributed metrics querying

monitoring
6 days ago

Configure Kubernetes network monitoring with Hubble and Cilium for traffic visibility

monitoring
1 week ago

Configure HAProxy with Consul for dynamic service discovery and automatic backend updates

networking
2 weeks ago
"operator" × Clear all
devops Intermediate

Setup advanced Airflow alerting with Slack integration and custom notification rules

Configure Apache Airflow to send intelligent alerts to Slack channels when DAGs fail, with custom notification rules based on task importance and execution context. Includes automated retry logic and escalation workflows.

45 min 4 distros 845 views
security Intermediate

Implement Kubernetes network policies for pod-to-pod security and traffic isolation

Set up granular network security in Kubernetes using Calico CNI with default-deny policies and pod-to-pod communication rules for microsegmentation.

45 min 4 distros 744 views
devops Intermediate

Configure Kubernetes ingress controller with NGINX and SSL certificates using cert-manager

Set up NGINX Ingress Controller with automated SSL certificate management using cert-manager for secure routing of external traffic to your Kubernetes services. Configure custom domains, SSL automation, and advanced routing rules for production workloads.

25 min 4 distros 680 views
monitoring Intermediate

Set up Kubernetes monitoring with Prometheus Operator and custom metrics

Deploy a production-grade monitoring stack with Prometheus Operator, configure ServiceMonitor resources for automatic scraping, and create custom alerting rules with Grafana dashboards for comprehensive Kubernetes cluster observability.

45 min 4 distros 777 views
monitoring Advanced

Configure advanced Grafana dashboards and alerting with Prometheus integration

Build production-ready Grafana dashboards with dynamic variables, custom panels, and sophisticated alert rules. Integrate Prometheus metrics for comprehensive monitoring with multi-condition alerting and notification channels.

45 min 4 distros 1,767 views
security Intermediate

Configure Kubernetes network policies for enhanced cluster security

Implement granular network security controls in Kubernetes using Calico CNI. Learn to create ingress and egress policies, namespace isolation, and label-based microsegmentation for production clusters.

35 min 4 distros 679 views
devops Advanced

Set up Kubernetes persistent volume snapshots and backup automation

Configure CSI snapshot controllers, create persistent volume snapshots, and implement automated backup strategies with Velero for production Kubernetes environments.

45 min 4 distros 746 views
databases Intermediate

Setup DuckDB with Apache Airflow for automated data pipelines

Configure DuckDB as a high-performance analytical database backend for Apache Airflow workflows. Build automated data pipelines that process files, APIs, and databases using DuckDB's columnar engine.

45 min 4 distros 773 views
networking Advanced

Configure FRRouting route maps and prefix lists for advanced routing policies

Set up FRRouting with route maps and prefix lists to control BGP route advertisement, implement traffic engineering, and create sophisticated routing policies for enterprise networks.

45 min 4 distros 1,132 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 779 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 1,094 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 630 views

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