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
489

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 Loki for centralized log aggregation with Grafana integration

monitoring
435

Install and configure WireGuard VPN server with client management

networking
429

Recently published

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

security
2 hours ago

Implement MinIO security hardening with IAM policies and audit logging

security
2 hours ago

Setup Elasticsearch monitoring with Metricbeat and Kibana dashboards

monitoring
2 hours ago

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

security
2 hours ago

Implement MariaDB connection pooling with ProxySQL for high availability

databases
7 hours ago
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security Intermediate

Setup remote backup storage with S3-compatible encryption and automated retention policies

Configure secure, encrypted backup storage using S3-compatible providers with automated retention policies, client-side GPG encryption, and monitoring scripts for reliable data protection.

45 min 4 distros 241 views
devops Advanced

Integrate Nexus Repository with Kubernetes and Docker registry authentication

Set up Nexus Repository Manager as a private Docker registry integrated with Kubernetes clusters, configure secure authentication and authorization, and enable automated container image deployment with RBAC controls.

45 min 4 distros 307 views
databases Advanced

Set up Spark 3.5 Delta Lake with MinIO for ACID transactions and big data analytics

Configure Apache Spark 3.5 with Delta Lake and MinIO object storage for ACID transactions, data versioning, and distributed analytics processing. Includes complete setup for production-grade data lake architecture.

45 min 4 distros 197 views
monitoring Intermediate

Implement Airflow DAG monitoring with DataDog integration for production workflows

Set up comprehensive monitoring for Apache Airflow DAGs using DataDog integration. This tutorial covers DataDog agent installation, metrics collection configuration, custom dashboard creation, and alerting rules for production workflow observability.

45 min 4 distros 138 views
security Intermediate

Configure backup encryption with GPG and rsync for secure automated backups

Set up automated encrypted backups using GPG 2.4 and rsync with systemd timers. This tutorial covers GPG key management, encrypted backup scripts, and restoration procedures for production environments.

45 min 4 distros 290 views
databases Advanced

Set up ClickHouse and Kafka real-time data pipeline with streaming analytics

Build a production-ready real-time data pipeline using ClickHouse for high-performance analytics and Apache Kafka for streaming data ingestion. Configure clustering, replication, and automated data processing workflows.

45 min 4 distros 135 views
devops Advanced

Set up Nexus Repository Manager high availability clustering for production scale

Deploy a production-ready Nexus Repository Manager cluster with shared storage, load balancing, and automated failover for enterprise artifact management and zero-downtime operations.

90 min 4 distros 143 views
devops Advanced

Configure Consul backup and disaster recovery with automated snapshots and restoration

Set up automated Consul snapshots with verification, implement disaster recovery procedures, and configure monitoring for production-grade backup strategies that ensure service discovery data protection.

45 min 4 distros 261 views
databases Beginner

Install and configure DuckDB for analytical workloads with Python integration

Set up DuckDB, the high-performance analytical database, with CLI tools and Python integration for fast OLAP queries and data analytics workloads.

25 min 6 distros 219 views
networking Beginner

Configure network interface aliases and secondary IP addresses on Linux

Learn how to configure multiple IP addresses on a single network interface using systemd-networkd and NetworkManager. Set up persistent network aliases for hosting multiple services, load balancing, and network segmentation.

20 min 6 distros 214 views
networking Intermediate

Configure network traffic shaping with tc and HTB for bandwidth management and QoS

Set up hierarchical token bucket (HTB) traffic shaping with tc to control bandwidth allocation, prioritize network traffic, and implement quality of service policies for optimal network performance.

45 min 6 distros 215 views
networking Intermediate

Configure network load balancing with keepalived and VRRP for high availability failover

Set up keepalived with VRRP to create highly available network services with automatic failover. Configure virtual IP addresses that move between servers when one fails, ensuring zero-downtime load balancing.

25 min 6 distros 237 views

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