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
10,962

Fix apt update E: Repository no longer has a Release file

linux
8,080

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

monitoring
6,864

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

hosting
6,036

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

databases
5,504

Recently published

Find and kill processes using a specific port on Linux

linux
3 days ago

Fix PostgreSQL FATAL sorry, too many clients already

linux
1 week ago

Configure Istio multi-cluster disaster recovery and automated failover

devops
2 weeks ago

Set up automated MariaDB Galera cluster backups with compression

databases
4 weeks ago

Configure MariaDB ColumnStore for high-performance analytics workloads

databases
1 month ago
"kubernetes" × Clear all
monitoring Intermediate

Configure Apache Airflow monitoring with Prometheus alerts and Grafana dashboards

Set up comprehensive monitoring for Apache Airflow with Prometheus metrics collection, StatsD integration, and custom Grafana dashboards. Configure automated alerting for DAG failures, task timeouts, and system health issues.

45 min 4 distros 3,122 views
devops Advanced

Configure Consul Connect service mesh with Envoy proxy for secure microservices communication

Set up Consul Connect service mesh with Envoy sidecar proxies to enable secure, encrypted service-to-service communication with mutual TLS authentication, traffic policies, and observability for your microservices architecture.

45 min 4 distros 2,134 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 3,025 views
security Advanced

Implement Cilium Tetragon runtime security for Kubernetes with eBPF monitoring and threat detection

Deploy Cilium Tetragon for advanced runtime security monitoring in Kubernetes clusters using eBPF technology. Configure security policies, threat detection rules, and real-time monitoring with Grafana dashboards for comprehensive container protection.

45 min 4 distros 2,405 views
devops Advanced

Integrate Apache Airflow with Kubernetes RBAC and service accounts for secure workflow orchestration

Configure Apache Airflow KubernetesExecutor with proper RBAC permissions, service accounts, and role bindings to securely orchestrate workflows in Kubernetes environments with least-privilege access controls.

45 min 4 distros 2,170 views
monitoring Intermediate

Set up Prometheus and Grafana monitoring stack with Docker compose

Deploy a complete Prometheus and Grafana monitoring stack using Docker Compose with persistent storage, custom dashboards, and alerting rules for production monitoring.

25 min 4 distros 2,897 views
security Advanced

Configure Apache Airflow LDAP authentication and RBAC with Active Directory integration

Configure Apache Airflow with LDAP authentication against Active Directory, implement role-based access control (RBAC), and set up secure user group management for enterprise environments.

45 min 4 distros 2,670 views
monitoring Intermediate

Install and configure Jaeger for distributed tracing with Elasticsearch backend

Set up Jaeger distributed tracing system with Elasticsearch storage backend for microservices monitoring. Configure collector, query service, and UI with SSL security and performance optimization.

45 min 6 distros 1,927 views
monitoring Intermediate

Install and configure Fluentd for centralized log collection with multi-format parsing

Set up Fluentd with td-agent for enterprise-grade log collection, custom parsers, and multi-destination routing. Configure SSL, performance optimization, and security hardening for production environments.

45 min 6 distros 2,066 views
devops Intermediate

Install and configure Cilium CNI for Kubernetes with eBPF networking and security policies

Set up Cilium as your Kubernetes CNI plugin with advanced eBPF networking, load balancing, and network security policies. Includes Hubble observability for complete network visibility.

25 min 6 distros 2,463 views
devops Intermediate

Install and configure Istio service mesh for Kubernetes with security policies and observability

Learn to deploy Istio service mesh on Kubernetes with mTLS security, traffic management, and comprehensive observability using Kiali and Jaeger for production microservices.

45 min 6 distros 1,897 views
devops Intermediate

Install and configure Helm 3 for Kubernetes package management with security and private repositories

Learn to install Helm 3 on Linux, configure private repositories with authentication, implement security best practices with RBAC, and integrate with CI/CD pipelines for automated Kubernetes deployments.

45 min 6 distros 2,080 views

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