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.

linux Intermediate

Optimize Linux system performance with kernel parameters and system tuning

Learn production-grade Linux performance optimization through systematic kernel parameter tuning, memory management, I/O optimization, and network stack configuration to maximize system throughput and responsiveness.

45 min 6 distros 945 views
databases Intermediate

Configure Redis Sentinel for high availability and automatic failover

Set up Redis Sentinel to monitor Redis master-replica deployments and automatically handle failover scenarios. This tutorial covers configuring a 3-node Sentinel cluster with quorum-based decision making for production-grade high availability.

25 min 4 distros 1,241 views
devops Intermediate

Implement Ansible testing with Molecule and TestInfra for infrastructure automation validation

Set up comprehensive testing for Ansible playbooks using Molecule framework and TestInfra validation. Create automated test scenarios, integrate with CI/CD pipelines, and ensure infrastructure code reliability in production environments.

45 min 4 distros 915 views
databases Advanced

Configure ZooKeeper for ClickHouse replication with multi-node cluster setup

Set up a production-ready ZooKeeper ensemble to enable ClickHouse replication across multiple nodes. This tutorial covers ZooKeeper cluster configuration, ClickHouse integration, security hardening, and failover testing.

45 min 4 distros 744 views
databases Intermediate

Install and configure TimescaleDB with PostgreSQL for high-performance time-series data

Learn how to install TimescaleDB extension on PostgreSQL for handling time-series data at scale. This tutorial covers hypertables setup, compression policies, performance tuning, and security hardening with SSL.

45 min 6 distros 2,187 views
devops Intermediate

Install and configure Helm 3 for Kubernetes package management with security and private repositories

Learn to install Helm 3 on Linux, configure private repositories with authentication, implement security best practices with RBAC, and integrate with CI/CD pipelines for automated Kubernetes deployments.

45 min 6 distros 896 views
devops Intermediate

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

Set up ArgoCD on Kubernetes with SSL certificates, RBAC user management, and high availability for production GitOps continuous deployment workflows.

45 min 6 distros 1,040 views
devops Intermediate

Install and configure SonarQube for code quality analysis with PostgreSQL and SSL

Set up SonarQube Community Edition with PostgreSQL database backend, SSL/TLS encryption, and CI/CD integration for comprehensive static code analysis and security scanning.

45 min 6 distros 789 views
databases Intermediate

Install and configure ClickHouse for high-performance analytics with clustering

Set up ClickHouse OLAP database with clustering support for real-time analytics workloads. Configure distributed tables, security, SSL encryption, and monitoring for production environments.

45 min 6 distros 653 views
monitoring Intermediate

Install and configure Zabbix 7 with PostgreSQL and advanced monitoring templates

Set up Zabbix 7 monitoring server with PostgreSQL backend, SSL-enabled web interface, auto-discovery, and advanced monitoring templates for comprehensive infrastructure monitoring.

45 min 6 distros 1,341 views
devops Intermediate

Install and configure Nexus Repository Manager for private Docker and Maven repositories

Set up Nexus Repository Manager OSS with SSL-enabled Docker registry, Maven repositories, and automated backups for secure artifact management in enterprise environments.

45 min 6 distros 929 views
devops Intermediate

Install and configure GitLab CE with CI/CD runners and backup automation

Set up a complete self-hosted GitLab CE instance with SSL encryption, Docker-based CI/CD runners, automated backup system, and security hardening for production workloads.

45 min 6 distros 879 views

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