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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Configure Linux system time synchronization with chrony and NTP hardening

linux
686

Install and configure CockroachDB cluster with high availability and distributed SQL

databases
651

Install and configure PostgreSQL 17 with performance tuning and security hardening

databases
641

Configure network interface monitoring with ICMP ping and connectivity testing

networking
638

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

devops
619

Recently published

Set up GitLab container registry mirror and proxy cache for improved performance

devops
4 hours ago

Configure SonarQube quality gates and custom rules for enterprise code analysis

devops
4 hours ago

Set up Consul multi-datacenter replication with ACL token replication

devops
4 hours ago

Set up Kafka Connect cluster with high availability and load balancing

devops
4 hours ago

Integrate AWX 24.6 with HashiCorp Vault for dynamic secrets management and secure automation workflows

devops
9 hours ago
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databases Intermediate

Configure TimescaleDB continuous aggregates for real-time analytics with PostgreSQL optimization

Set up TimescaleDB continuous aggregates to automatically compute and maintain real-time materialized views for time-series data analytics. Configure refresh policies, optimize aggregate queries, and implement monitoring for production workloads.

45 min 4 distros 483 views
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 376 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 425 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 472 views
devops Intermediate

Install and configure Apache Airflow with PostgreSQL backend and secure production deployment

Learn to deploy Apache Airflow in production with PostgreSQL backend, systemd services, SSL/TLS encryption, and security hardening for enterprise workflow orchestration.

45 min 6 distros 493 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 344 views
security Intermediate

Install and configure Keycloak for enterprise authentication with clustering

Set up Keycloak as an enterprise identity provider with PostgreSQL backend, SSL encryption, and high availability clustering for OAuth2, OpenID Connect, and SAML authentication across your organization.

45 min 6 distros 319 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 325 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 495 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 348 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 487 views
devops Intermediate

Install and configure Ansible with automation best practices and security

Learn to install Ansible on Linux, configure secure SSH authentication, create production-ready playbooks with Vault encryption, and implement roles for scalable infrastructure automation.

45 min 6 distros 456 views

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