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
672

Install and configure CockroachDB cluster with high availability and distributed SQL

databases
649

Install and configure PostgreSQL 17 with performance tuning and security hardening

databases
635

Configure network interface monitoring with ICMP ping and connectivity testing

networking
634

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

devops
613

Recently published

Implement Consul backup and disaster recovery with automated snapshots and restoration

devops
3 hours ago

Configure Zabbix 7 email and SMS alerting with escalation rules and notification automation

monitoring
3 hours ago

Configure GitLab container registry cleanup policies and storage management

devops
3 hours ago

Set up GitLab backup and disaster recovery with automated restoration

devops
3 hours ago

Deploy Envoy-based service mesh in Kubernetes production environment with SSL and observability

devops
8 hours ago
"gitlab" × Clear all
devops Intermediate

Configure GitLab container registry cleanup policies and storage management

Set up automated cleanup policies for GitLab container registry to manage storage costs and remove unused container images. This tutorial covers UI configuration, API automation, and monitoring for production environments.

25 min 4 distros 6 views
devops Intermediate

Set up GitLab backup and disaster recovery with automated restoration

Configure automated GitLab backups with disaster recovery procedures and automated restoration scripts. Includes monitoring, alerting, and production-grade recovery workflows.

45 min 4 distros 6 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 28 views
devops Intermediate

Configure Ansible Vault for secret management and encryption with playbook automation

Set up Ansible Vault to encrypt sensitive data like passwords, API keys, and certificates in your playbooks. Learn to create encrypted variables, manage vault passwords, and integrate secure secret handling into automated deployments.

25 min 4 distros 26 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 8 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 9 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 12 views
devops Intermediate

Deploy applications to Kubernetes with Helm charts and production best practices

Learn how to create production-ready Helm charts for Kubernetes deployments with proper templating, values management, security configurations, and environment-specific customizations for scalable application orchestration.

45 min 4 distros 13 views
devops Advanced

Integrate GitLab with Kubernetes for automated deployments using CI/CD pipelines and runners

Set up GitLab CI/CD pipelines with Kubernetes runners for automated application deployments. Configure RBAC, implement rolling updates, and establish production-grade deployment strategies.

45 min 4 distros 13 views
security Intermediate

Configure GitLab SAML authentication with Keycloak for enterprise SSO

Set up single sign-on (SSO) authentication between GitLab and Keycloak using SAML 2.0 protocol. This enables centralized user management and secure authentication for your GitLab instance through your existing identity provider infrastructure.

45 min 4 distros 280 views
performance Advanced

Set up Apache Airflow DAG performance testing with Locust load testing framework

Learn to configure Locust for comprehensive Apache Airflow DAG performance testing, including automated load testing scenarios, metrics collection, and CI/CD integration for production-grade workflow optimization.

45 min 4 distros 283 views
devops Intermediate

Set up SonarQube branch analysis with pull request decoration for enhanced code quality workflows

Configure SonarQube Developer Edition with branch analysis capabilities and pull request decoration for GitHub and GitLab. Implement automated code quality checks in CI/CD pipelines with comprehensive branch coverage and merge request feedback.

45 min 4 distros 422 views

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