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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Linux
System administration, shell scripting, package management
Hosting & Servers
Web servers, reverse proxies, SSL, domains
Security
Firewalls, hardening, encryption, access control
Performance
Caching, optimization, profiling, load testing
Databases
MySQL, PostgreSQL, Redis, backups, replication
Networking
DNS, load balancing, VPN, TCP/IP, routing
DevOps
CI/CD, Docker, Kubernetes, automation
Monitoring
Logging, alerting, metrics, observability
Most viewed
Install and configure Deno for web development with systemd and reverse proxy
hostingInstall and configure Uptime Kuma for website monitoring with SSL and email alerts
monitoringInstall and configure Caddy web server with automatic HTTPS and reverse proxy
hostingInstall and configure TimescaleDB with PostgreSQL for high-performance time-series data
databasesInstall and configure Ollama for local AI models on Linux servers
devopsRecently published
Implement Thanos Ruler for distributed alerting and recording rules across Prometheus clusters
monitoringSet up Thanos Query and Compactor for distributed metrics querying
monitoringConfigure Kubernetes network monitoring with Hubble and Cilium for traffic visibility
monitoringConfigure HAProxy with Consul for dynamic service discovery and automatic backend updates
networkingImplement Istio multi-cluster canary deployments and traffic splitting
devopsConfigure Kubernetes secrets management with Vault integration for secure container orchestration
Set up HashiCorp Vault Agent Injector to automatically inject secrets into Kubernetes pods without storing sensitive data in container images or configuration files. This production-grade approach replaces hardcoded secrets with dynamic, secure credential management.
Configure centralized cron management with Ansible automation and systemd timers
Set up automated cron job deployment and monitoring across multiple servers using Ansible playbooks with systemd timers for reliable task scheduling and centralized logging.
Set up Consul multi-datacenter replication with ACL token replication
Configure Consul WAN federation across multiple datacenters with secure ACL token replication. Enable automatic token synchronization, gossip encryption, and cross-datacenter service discovery for distributed infrastructure.
Integrate AWX 24.6 with HashiCorp Vault for dynamic secrets management and secure automation workflows
Configure AWX to securely retrieve database credentials and API keys from HashiCorp Vault using dynamic secrets that automatically rotate. Set up credential types, database engines, and secure playbook execution with centralized secrets management.
Implement Podman pod security with network policies and microsegmentation
Secure Podman pods with custom network policies, traffic filtering, and microsegmentation using CNI plugins and netavark. Implement zero-trust networking with firewall rules and container isolation.
Configure Consul Connect with Kubernetes integration for secure service mesh communication
Set up Consul Connect as a service mesh on Kubernetes with Helm, enabling automatic mTLS encryption, service discovery, and traffic routing between microservices for secure inter-service communication.
Configure Apache Airflow DAG security and secrets management with RBAC policies and encryption
Implement comprehensive security for Apache Airflow DAGs using role-based access control, HashiCorp Vault integration, and encrypted secrets management. Configure granular permissions, audit logging, and isolation policies for production workflows.
Implement Consul Connect mTLS with Vault PKI backend for secure service mesh communication
Set up mutual TLS authentication for Consul Connect using HashiCorp Vault's PKI backend to secure service-to-service communication with automatic certificate management and rotation.
Configure Podman secrets management with HashiCorp Vault integration
Set up secure container secrets management by integrating Podman with HashiCorp Vault. Configure dynamic secret injection, automated rotation, and production-ready monitoring for containerized applications.
Implement Ansible AWX Tower for enterprise automation workflows with RBAC and inventory management
Deploy Ansible AWX with Docker Compose for centralized automation management. Configure enterprise RBAC, dynamic inventory sources, and workflow templates for scalable infrastructure orchestration across multiple environments.
Configure Ansible Vault for secret management and encryption with playbook automation
Set up Ansible Vault to encrypt sensitive data like passwords, API keys, and certificates in your playbooks. Learn to create encrypted variables, manage vault passwords, and integrate secure secret handling into automated deployments.
Set up Nomad multi-node cluster with TLS encryption and Consul integration
Deploy a production-ready HashiCorp Nomad cluster with server and client nodes, TLS encryption, and Consul integration for service discovery. Includes workload deployment and monitoring configuration.
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