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 Caddy web server with automatic HTTPS and reverse proxy
hostingInstall and configure Ollama for local AI models on Linux servers
devopsInstall and configure Uvicorn ASGI server with systemd and reverse proxy for FastAPI applications
hostingInstall and configure TimescaleDB with PostgreSQL for high-performance time-series data
databasesRecently published
Configure Consul Connect service mesh monitoring with distributed tracing
monitoringConfigure Kubernetes RBAC with service accounts and cluster roles for secure access control
devopsImplement Deno microservices architecture with service discovery and load balancing
devopsImplement Kubernetes security scanning with Falco and OPA Gatekeeper for runtime protection
securityConfigure OpenTelemetry custom metrics for application monitoring with Prometheus and Grafana
monitoringSet 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.
Configure Kubernetes secrets management with Sealed Secrets for secure Helm values
Learn to implement Sealed Secrets controller for encrypting Kubernetes secrets in Git repositories, enabling secure GitOps workflows with encrypted Helm values and automated secret management.
Setup Kubernetes ingress controller with cert-manager and Helm for automated SSL certificate management
Deploy NGINX Ingress Controller and cert-manager using Helm to automatically provision and manage SSL certificates for your Kubernetes applications with Let's Encrypt integration.
Configure Zabbix 7 API automation with Python scripts for monitoring and alerting
Automate Zabbix 7 monitoring tasks with Python scripts using the API. Set up host discovery, template assignment, custom monitoring scripts, and alerting automation for streamlined infrastructure management.
Configure Nexus Repository Manager LDAP authentication for enterprise user management
Set up LDAP authentication for Nexus Repository Manager to enable centralized enterprise user management and seamless integration with Active Directory for secure artifact repository access.
Deploy applications to Kubernetes with Helm charts and production best practices
Learn how to create production-ready Helm charts for Kubernetes deployments with proper templating, values management, security configurations, and environment-specific customizations for scalable application orchestration.
Integrate HashiCorp Vault with Kubernetes secrets management for secure container orchestration
Configure HashiCorp Vault integration with Kubernetes using the Vault CSI driver and Secrets Operator for automated secret injection and synchronization. This setup enables secure secret management for containerized applications with dynamic secret rotation and policy-based access controls.
Integrate MinIO with Kubernetes for persistent storage and object data management
Deploy MinIO on Kubernetes using the operator for scalable object storage. Configure persistent volumes, high availability tenants, and secure ingress with SSL certificates.
Deploy Podman containers with Kubernetes YAML manifests and kubectl integration
Learn how to deploy and manage Podman containers using Kubernetes YAML manifests with kubectl integration. This tutorial covers systemd user services, YAML generation, pod networking, and volume management.
Configure nginx reverse proxy for Podman containers with SSL and load balancing
Set up nginx as a reverse proxy for Podman containers with SSL termination, health checks, and load balancing. Includes automated SSL certificate management with Let's Encrypt and container integration.
Configure Linux memory cgroups v2 with systemd for advanced process isolation and resource control
Set up cgroups v2 unified hierarchy with systemd to implement memory limits, isolation policies, and automated pressure responses for container workloads and system processes.
Implement Linux memory cgroups for container workload isolation
Configure cgroups v2 memory subsystem to isolate container workloads with precise memory limits, monitoring, and automated enforcement for production environments.
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