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
650

Install and configure PostgreSQL 17 with performance tuning and security hardening

databases
640

Configure network interface monitoring with ICMP ping and connectivity testing

networking
637

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

devops
617

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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monitoring Intermediate

Configure Linux performance monitoring with collectd and InfluxDB 1.8 for real-time metrics collection

Set up comprehensive system monitoring using collectd to collect performance metrics and InfluxDB 1.8 as a time-series database backend. This tutorial covers installation, configuration, and retention policies for production monitoring environments.

25 min 4 distros 527 views
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
devops Advanced

Integrate Apache Airflow with Kubernetes RBAC and service accounts for secure workflow orchestration

Configure Apache Airflow KubernetesExecutor with proper RBAC permissions, service accounts, and role bindings to securely orchestrate workflows in Kubernetes environments with least-privilege access controls.

45 min 4 distros 401 views
monitoring Intermediate

Set up Prometheus and Grafana monitoring stack with Docker compose

Deploy a complete Prometheus and Grafana monitoring stack using Docker Compose with persistent storage, custom dashboards, and alerting rules for production monitoring.

25 min 4 distros 443 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
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 484 views
devops Intermediate

Install and configure Nomad for container orchestration with Consul integration

Set up HashiCorp Nomad cluster with Consul service discovery for production container orchestration. Learn job scheduling, ACL security, TLS encryption, and monitoring deployment.

25 min 6 distros 442 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
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 Kubernetes cluster with kubeadm and security hardening

Set up a production-ready Kubernetes cluster using kubeadm with proper security hardening, RBAC configuration, and CNI networking. Includes worker node setup and verification steps.

45 min 6 distros 382 views

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