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 CockroachDB cluster with high availability and distributed SQL

databases
490

Install and configure ArgoCD for GitOps continuous deployment with RBAC and SSL

devops
457

Install and configure PostgreSQL 17 with performance tuning and security hardening

databases
441

Install and configure WireGuard VPN server with client management

networking
440

Install and configure Loki for centralized log aggregation with Grafana integration

monitoring
435

Recently published

Configure SSL encryption and authentication for ClamAV cluster with high availability scanning

security
3 hours ago

Implement MinIO security hardening with IAM policies and audit logging

security
3 hours ago

Setup Elasticsearch monitoring with Metricbeat and Kibana dashboards

monitoring
3 hours ago

Configure Vault auto-unseal with AWS KMS for high availability secrets management

security
3 hours ago

Implement MariaDB connection pooling with ProxySQL for high availability

databases
8 hours ago
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databases Intermediate

Configure Redis 7 Lua scripting and modules for advanced data processing

Enable and optimize Redis 7 Lua scripting capabilities, install custom modules, and implement advanced data processing scripts with performance monitoring for high-throughput applications.

45 min 4 distros 18 views
databases Intermediate

Configure MongoDB 8.0 backup automation with systemd timers and compression

Set up automated MongoDB 8.0 backups with systemd timers, compression, and retention policies. Includes monitoring and alerting for backup failures across Ubuntu, Debian, AlmaLinux, and Rocky Linux systems.

45 min 4 distros 12 views
networking Advanced

Set up Open vSwitch 3.3 for advanced virtual machine networking with VLAN and bridge configuration

Configure Open vSwitch 3.3 to create isolated virtual networks for VMs with VLAN tagging, bridge management, and advanced traffic control. Essential for virtualization environments requiring network segmentation and high-performance VM networking.

45 min 4 distros 32 views
networking Advanced

Set up automated network topology discovery with SNMP and LLDP for infrastructure mapping

Build an automated network discovery system that uses SNMP and LLDP protocols to map your infrastructure topology, detect device relationships, and create visual network diagrams with real-time monitoring integration.

45 min 4 distros 39 views
devops Intermediate

Configure Kubernetes horizontal pod autoscaler for dynamic scaling based on resource metrics

Set up HPA with CPU and memory targets for automatic pod scaling. Configure metrics server and Prometheus adapter for custom metrics monitoring. Enable dynamic workload scaling based on resource utilization.

45 min 4 distros 52 views
devops Intermediate

Deploy Spring Boot applications with Jetty and Docker containers

Learn to deploy production-ready Spring Boot applications using Jetty embedded server with Docker containerization. This tutorial covers multi-stage Docker builds, production configuration, and deployment with Docker Compose for scalable Java applications.

45 min 4 distros 14 views
monitoring Intermediate

Monitor Kubernetes clusters with Prometheus and Grafana for container orchestration insights

Set up comprehensive Kubernetes monitoring using the Prometheus Operator and Grafana with persistent storage, RBAC, ServiceMonitors, and custom dashboards for complete cluster observability.

45 min 4 distros 120 views
devops Intermediate

Deploy multiple Ollama instances with HAProxy load balancing for high availability AI model serving

Set up multiple Ollama instances behind HAProxy load balancer for high-availability AI model serving with health checks, SSL termination, and automatic failover to eliminate single points of failure.

45 min 4 distros 26 views
hosting Intermediate

Configure Deno WebSocket connections for real-time applications with clustering and production deployment

Set up production-ready Deno WebSocket servers with authentication, clustering, and load balancing for real-time applications. Complete with systemd service configuration and NGINX reverse proxy setup.

45 min 4 distros 96 views
monitoring Intermediate

Integrate Elasticsearch 8 with Prometheus monitoring and Grafana dashboards

Set up comprehensive monitoring for Elasticsearch 8 using Prometheus metrics collection and Grafana visualization. This tutorial covers exporter installation, metric configuration, dashboard setup, and alerting rules for production environments.

45 min 4 distros 112 views
hosting Advanced

Configure NGINX reverse proxy with advanced caching and load balancing

Set up NGINX as a high-performance reverse proxy with Redis-backed caching, multiple load balancing algorithms, SSL termination, and comprehensive monitoring for production environments.

45 min 4 distros 74 views
monitoring Intermediate

Configure Netdata alerts with Slack and Microsoft Teams for real-time monitoring notifications

Set up comprehensive Netdata alerting with Slack and Microsoft Teams integration. Configure custom alert thresholds, webhook notifications, and automated monitoring responses for real-time system health alerts.

25 min 4 distros 104 views

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