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
695

Install and configure CockroachDB cluster with high availability and distributed SQL

databases
654

Install and configure PostgreSQL 17 with performance tuning and security hardening

databases
645

Configure network interface monitoring with ICMP ping and connectivity testing

networking
642

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

devops
624

Recently published

Integrate SonarQube with Jenkins pipeline for automated code quality checks

devops
4 hours ago

Implement Grafana advanced alerting with webhooks and notification channels

monitoring
4 hours ago

Configure Zabbix 7 custom alerting with webhooks and integrations

monitoring
4 hours ago

Configure Elasticsearch 8 cross-cluster replication for disaster recovery

databases
4 hours ago

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

devops
13 hours ago
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monitoring Intermediate

Configure Grafana dashboards for TimescaleDB analytics with real-time metrics and alerting

Build comprehensive Grafana dashboards for TimescaleDB analytics with time-series visualizations, custom queries, and automated alerting for performance monitoring and data insights.

45 min 4 distros 21 views
monitoring Intermediate

Integrate TimescaleDB with Telegraf for metrics collection and time-series monitoring

Set up TimescaleDB with PostgreSQL and configure Telegraf to collect system and application metrics. Create continuous aggregates and monitoring dashboards for comprehensive time-series analysis and alerting.

25 min 4 distros 13 views
monitoring Intermediate

Configure Prometheus monitoring for ArgoCD with metrics collection and Grafana dashboards

Set up comprehensive ArgoCD monitoring with Prometheus metrics collection, custom service discovery, and Grafana dashboards. Configure alerting rules for deployment failures and performance issues to maintain GitOps visibility.

45 min 4 distros 8 views
monitoring Intermediate

Monitor Kubernetes cluster with Prometheus Operator for comprehensive observability

Set up complete cluster monitoring using Prometheus Operator with automated metrics collection, custom dashboards, and intelligent alerting for production Kubernetes environments.

45 min 4 distros 26 views
devops Advanced

Implement Ansible AWX Tower for enterprise automation workflows with RBAC and inventory management

Deploy Ansible AWX with Docker Compose for centralized automation management. Configure enterprise RBAC, dynamic inventory sources, and workflow templates for scalable infrastructure orchestration across multiple environments.

45 min 4 distros 30 views
devops Intermediate

Install and configure ArgoCD Image Updater for automatic Kubernetes deployments with GitOps automation

Set up ArgoCD Image Updater to automatically monitor container registries and update Kubernetes deployments when new image versions are available. Configure GitOps workflows with automated Git commits and Prometheus monitoring for seamless CI/CD integration.

25 min 4 distros 9 views
devops Intermediate

Setup Kubernetes ingress controller with cert-manager and Helm for automated SSL certificate management

Deploy NGINX Ingress Controller and cert-manager using Helm to automatically provision and manage SSL certificates for your Kubernetes applications with Let's Encrypt integration.

25 min 4 distros 13 views
devops Intermediate

Configure Apache Airflow DAG version control with Git and CI/CD pipelines

Set up Git-based version control for Apache Airflow DAGs with automated CI/CD pipelines for testing and deployment. Implement DAG synchronization, validation workflows, and production-ready deployment strategies.

45 min 4 distros 24 views
monitoring Intermediate

Configure Zabbix 7 API automation with Python scripts for monitoring and alerting

Automate Zabbix 7 monitoring tasks with Python scripts using the API. Set up host discovery, template assignment, custom monitoring scripts, and alerting automation for streamlined infrastructure management.

45 min 4 distros 12 views
devops Intermediate

Configure SonarQube quality gates and custom rules for automated code quality enforcement

Set up SonarQube quality gates with custom conditions, create language-specific rules, and integrate automated quality enforcement into CI/CD pipelines for continuous code quality monitoring.

45 min 4 distros 14 views
security Advanced

Configure advanced iptables firewall rules with logging, port knocking, and DDoS protection

Build a production-grade iptables firewall with connection tracking, rate limiting, and port knocking. Includes automated DDoS protection, detailed logging, and security hardening for enterprise environments.

45 min 4 distros 29 views
monitoring Intermediate

Configure Loki with S3 storage backend for scalable centralized logging

Set up Grafana Loki with S3-compatible object storage for scalable log aggregation. Configure retention policies, schema management, and monitoring for production-ready centralized logging infrastructure.

45 min 4 distros 27 views

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