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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Linux
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Web servers, reverse proxies, SSL, domains
Security
Firewalls, hardening, encryption, access control
Performance
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Databases
MySQL, PostgreSQL, Redis, backups, replication
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Monitoring
Logging, alerting, metrics, observability
Most viewed
Install and configure CockroachDB cluster with high availability and distributed SQL
databasesInstall and configure ArgoCD for GitOps continuous deployment with RBAC and SSL
devopsInstall and configure PostgreSQL 17 with performance tuning and security hardening
databasesInstall and configure Loki for centralized log aggregation with Grafana integration
monitoringInstall and configure WireGuard VPN server with client management
networkingRecently published
Configure SSL encryption and authentication for ClamAV cluster with high availability scanning
securityImplement MinIO security hardening with IAM policies and audit logging
securitySetup Elasticsearch monitoring with Metricbeat and Kibana dashboards
monitoringConfigure Vault auto-unseal with AWS KMS for high availability secrets management
securityImplement MariaDB connection pooling with ProxySQL for high availability
databasesConfigure GitLab LDAP authentication and user management with Active Directory integration
Set up GitLab LDAP authentication with Active Directory to centralize user management, enable automatic user provisioning, and implement group-based access control for your GitLab instance.
Configure Grafana dashboards for InfluxDB collectd metrics with advanced visualization and alerting
Build comprehensive Grafana dashboards to visualize collectd system metrics stored in InfluxDB with custom panels, advanced queries, and automated alerting rules for production monitoring.
Implement comprehensive Apache Airflow DAG testing and validation strategies with pytest and best practices
Learn to implement production-grade testing for Apache Airflow DAGs using pytest, including unit tests for DAG structure validation, integration testing with test databases, and automated validation pipelines with CI/CD integration.
Implement Kubernetes admission controllers with OPA Gatekeeper for policy enforcement
Set up OPA Gatekeeper admission controllers to enforce security policies, resource governance, and compliance rules across your Kubernetes cluster with custom constraint templates.
Monitor Istio service mesh with Prometheus and Grafana dashboards
Configure comprehensive monitoring for your Istio service mesh using Prometheus for metrics collection and Grafana for visualization. Set up observability dashboards to track traffic flow, security policies, and service performance with production-ready alerting rules.
Configure Apache Airflow monitoring with Prometheus alerts and Grafana dashboards
Set up comprehensive monitoring for Apache Airflow with Prometheus metrics collection, StatsD integration, and custom Grafana dashboards. Configure automated alerting for DAG failures, task timeouts, and system health issues.
Implement Cilium Tetragon runtime security for Kubernetes with eBPF monitoring and threat detection
Deploy Cilium Tetragon for advanced runtime security monitoring in Kubernetes clusters using eBPF technology. Configure security policies, threat detection rules, and real-time monitoring with Grafana dashboards for comprehensive container protection.
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.
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.
Configure Apache Airflow LDAP authentication and RBAC with Active Directory integration
Configure Apache Airflow with LDAP authentication against Active Directory, implement role-based access control (RBAC), and set up secure user group management for enterprise environments.
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.
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.
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