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.

security Advanced

Configure CockroachDB SSL encryption and security hardening

Set up SSL/TLS encryption, authentication, and advanced security policies for CockroachDB 24.3 in production environments with certificate management and cluster monitoring.

45 min 4 distros 324 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 754 views
monitoring Advanced

Configure advanced SNMP alerting with Prometheus Alertmanager for network monitoring

Set up comprehensive SNMP monitoring with Prometheus exporters and create intelligent alerting rules in Alertmanager to proactively monitor network devices, interfaces, and performance metrics.

45 min 4 distros 268 views
devops Intermediate

Configure GitLab backup automation with GPG encryption

Set up automated GitLab backups with GPG encryption, remote storage, and systemd timers. This tutorial covers backup script creation, encryption setup, and monitoring for production GitLab instances.

45 min 4 distros 243 views
monitoring Intermediate

Configure custom SNMP MIBs for vendor-specific monitoring with SNMP v2c and v3

Learn to install and configure custom vendor MIB files for specialized network device monitoring using both SNMP v2c and v3 protocols with authentication and encryption.

45 min 4 distros 398 views
hosting Advanced

Implement NGINX Plus active health checks for enterprise environments

Configure NGINX Plus active health checks to automatically detect and remove unhealthy upstream servers, ensuring high availability and optimal load balancing for enterprise applications.

45 min 4 distros 480 views
databases Advanced

Configure InfluxDB 2.7 clustering for high availability with data replication and automated failover

Set up a production-ready InfluxDB Enterprise cluster with automatic data replication, failover mechanisms, and comprehensive monitoring using Grafana dashboards for time-series workloads.

45 min 4 distros 301 views
monitoring Intermediate

Set up Prometheus and Grafana monitoring stack with Docker Compose

Deploy a complete Prometheus and Grafana monitoring solution using Docker Compose with persistent storage, custom dashboards, and Alertmanager integration for production-ready observability.

25 min 4 distros 807 views
databases Advanced

Configure Redis 7 cluster sharding with SSL/TLS authentication and security hardening

Set up a production-ready Redis 7 cluster with automatic sharding, SSL/TLS encryption, authentication, and comprehensive security hardening for high availability and data protection.

45 min 4 distros 287 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 264 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 242 views
security Advanced

Configure encrypted network storage with LUKS and NFS for secure file sharing

Set up enterprise-grade encrypted network storage by combining LUKS disk encryption with NFS file sharing. This advanced configuration provides secure, centralized file access across multiple systems while maintaining data protection at rest.

45 min 4 distros 595 views

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