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
502

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

devops
464

Configure network interface monitoring with ICMP ping and connectivity testing

networking
456

Install and configure PostgreSQL 17 with performance tuning and security hardening

databases
453

Install and configure Loki for centralized log aggregation with Grafana integration

monitoring
453

Recently published

Implement Redis backup automation with RDB and AOF persistence

databases
1 minute ago

Set up keepalived cluster monitoring with Prometheus alerts and Grafana dashboards

monitoring
4 minutes ago

Implement Prometheus federation for multi-cluster monitoring with centralized metrics aggregation

monitoring
7 minutes ago

Configure SonarQube LDAP authentication and user management with Active Directory integration

security
5 hours ago

Configure MinIO high availability clustering for production with multi-node setup and automatic failover

databases
5 hours ago
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networking Intermediate

Setup Caddy with Consul service discovery for dynamic load balancing

Configure Caddy web server to automatically discover backend services through Consul, enabling dynamic load balancing without manual configuration updates. This setup provides high availability and automatic failover for microservices architectures.

45 min 4 distros 167 views
devops Intermediate

Deploy Deno applications with Docker containers and production optimization

Learn how to containerize Deno applications with Docker using multi-stage builds, security hardening, and production-ready configuration. This tutorial covers creating optimized Dockerfiles, implementing proper caching strategies, and deploying with Docker Compose for scalable web applications.

35 min 4 distros 143 views
databases Intermediate

Implement Elasticsearch 8 index lifecycle management and retention policies

Configure automated index lifecycle management (ILM) policies in Elasticsearch 8 to optimize storage, performance, and data retention. Learn to set up hot-warm-cold architectures with automatic rollover and deletion based on age and size criteria.

25 min 4 distros 334 views
security Advanced

Configure ClamAV cluster scanning for high availability and enterprise threat detection

Build a production-grade ClamAV cluster with HAProxy load balancing, shared virus definitions, and comprehensive monitoring for enterprise-scale threat detection and high availability.

45 min 4 distros 350 views
databases Intermediate

Set up MySQL backup encryption and remote storage with rsync

Create automated MySQL backups with GPG encryption and secure remote storage using rsync and SSH keys. This tutorial covers database dumping, compression, encryption, and automated synchronization to remote servers.

45 min 4 distros 278 views
devops Advanced

Implement Kubernetes network policies with Calico CNI and OPA Gatekeeper for security enforcement

Secure your Kubernetes cluster with Calico CNI network policies and OPA Gatekeeper admission control. This tutorial shows you how to implement pod isolation, policy enforcement, and admission validation for production-grade security.

45 min 4 distros 216 views
databases Intermediate

Configure application connection pooling for CockroachDB with PgBouncer and HAProxy

Set up efficient connection pooling for CockroachDB applications using PgBouncer as a connection pool manager and HAProxy for load balancing across multiple database nodes. This configuration reduces database connection overhead and improves application performance.

45 min 4 distros 227 views
hosting Advanced

Setup Tomcat 10 clustering with HAProxy load balancing for high availability

Configure Apache Tomcat 10 clustering with HAProxy load balancing to distribute traffic across multiple application server instances. Implement session replication and automatic failover for production-grade Java web applications with high availability and zero-downtime deployments.

45 min 4 distros 214 views
monitoring Intermediate

Monitor Linux system resources with performance alerts and automated responses

Set up comprehensive Linux system monitoring with Prometheus, Node Exporter, and Alertmanager to track CPU, memory, and disk usage with automated alerts and response scripts for proactive system management.

45 min 4 distros 167 views
security Intermediate

Set up Node.js application security with Helmet and rate limiting

Secure your Node.js Express applications against common vulnerabilities with Helmet.js middleware and implement rate limiting to prevent abuse and DDoS attacks.

25 min 4 distros 275 views
performance Advanced

Configure Nginx Redis caching with SSL authentication and security hardening

Set up high-performance Nginx caching with Redis backend using SSL/TLS encryption and authentication. This tutorial covers Redis 7 SSL configuration, Nginx cache module setup, and comprehensive security hardening for production environments.

45 min 4 distros 233 views
monitoring Intermediate

Configure network monitoring with SNMP and Grafana dashboards for infrastructure visibility

Set up comprehensive network monitoring using SNMP with Prometheus and Grafana to monitor network devices, collect performance metrics, and create visual dashboards for infrastructure visibility.

45 min 4 distros 197 views

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