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.

devops Advanced

Implement Kubernetes secrets management with HashiCorp Vault integration

Set up HashiCorp Vault with Kubernetes to dynamically inject secrets into pods using the Vault Secrets Operator. This tutorial covers authentication configuration, operator deployment, and automated secret injection with annotations.

45 min 4 distros 61 views
security Intermediate

Configure FastAPI rate limiting and security middleware with Redis and authentication

Set up production-ready FastAPI applications with Redis-backed rate limiting, security middleware, and JWT authentication to protect against abuse and secure your API endpoints.

45 min 4 distros 101 views
hosting Intermediate

Setup FastAPI email verification and password reset functionality with Redis and PostgreSQL

Build secure user authentication with email verification and password reset features in FastAPI using Redis for session management and PostgreSQL for user storage.

45 min 4 distros 178 views
devops Advanced

Configure Kubernetes secrets management with Vault integration for secure container orchestration

Set up HashiCorp Vault Agent Injector to automatically inject secrets into Kubernetes pods without storing sensitive data in container images or configuration files. This production-grade approach replaces hardcoded secrets with dynamic, secure credential management.

45 min 4 distros 110 views
databases Advanced

Set up CockroachDB backup and disaster recovery automation with systemd timers and monitoring

Configure automated backup strategies for CockroachDB with systemd timers, implement comprehensive disaster recovery procedures, and set up monitoring with Prometheus and Grafana for production-grade database infrastructure.

90 min 4 distros 74 views
monitoring Intermediate

Configure Prometheus Alertmanager with Slack integration for team notifications

Set up Prometheus Alertmanager to route alerts to Slack channels with custom notification rules. Configure alerting rules, webhook integration, and team-based routing for production monitoring workflows.

25 min 4 distros 110 views
monitoring Intermediate

Set up Kubernetes monitoring with Prometheus Operator and custom metrics

Deploy a production-grade monitoring stack with Prometheus Operator, configure ServiceMonitor resources for automatic scraping, and create custom alerting rules with Grafana dashboards for comprehensive Kubernetes cluster observability.

45 min 4 distros 96 views
security Intermediate

Configure Kubernetes network policies for enhanced cluster security

Implement granular network security controls in Kubernetes using Calico CNI. Learn to create ingress and egress policies, namespace isolation, and label-based microsegmentation for production clusters.

35 min 4 distros 112 views
monitoring Intermediate

Set up Alertmanager with email and Slack notifications for monitoring alerts

Configure Prometheus Alertmanager with email SMTP and Slack webhook integrations for comprehensive monitoring notifications. Set up alert routing rules and test notification delivery.

25 min 4 distros 116 views
devops Intermediate

Set up automated backup and disaster recovery for Nexus Repository Manager 3 with blob store migration

Configure comprehensive backup automation for Nexus Repository Manager 3 including blob store migration, disaster recovery procedures, and automated scheduling with systemd timers for production environments.

45 min 4 distros 75 views
devops Intermediate

Implement Django continuous deployment with Git hooks and automated testing

Set up automated Django deployment with Git hooks, testing pipelines, and production rollbacks. Configure continuous integration with database migrations, static file management, and zero-downtime deployments.

45 min 4 distros 128 views
databases Advanced

Benchmark database performance with sysbench and fio integration

Learn to benchmark MySQL and PostgreSQL database performance using sysbench 1.0.20 combined with fio 3.37 disk I/O testing. This comprehensive guide covers installation, configuration, execution of performance tests, and analysis of results for database optimization in production environments.

45 min 4 distros 142 views

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