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
880

Set up Node.js application security with Helmet and rate limiting

security
756

Install and configure Caddy web server with automatic HTTPS and reverse proxy

hosting
743

Install and configure Uvicorn ASGI server with systemd and reverse proxy for FastAPI applications

hosting
737

Install and configure PostgreSQL 17 with performance tuning and security hardening

databases
723

Recently published

Configure systemd service resource limits and security isolation

linux
7 hours ago

Configure NGINX SSL termination with Redis session storage

hosting
7 hours ago

Configure intrusion detection with OSSEC and fail2ban integration

security
7 hours ago

Set up Varnish 7 cluster with load balancing across multiple backends

performance
7 hours ago

Configure OSSEC active response for automated threat blocking

security
12 hours ago
"backup automation" × Clear all
security Advanced

Configure Keycloak high availability clustering for production with load balancing and failover

Set up a production-ready Keycloak cluster with PostgreSQL backend, HAProxy load balancing, and automatic failover to ensure identity services remain available during node failures and high traffic.

90 min 4 distros 141 views
devops Intermediate

Integrate MinIO with Kubernetes for persistent storage and object data management

Deploy MinIO on Kubernetes using the operator for scalable object storage. Configure persistent volumes, high availability tenants, and secure ingress with SSL certificates.

45 min 4 distros 74 views
linux Intermediate

Automate backup and restore for Ollama models with systemd timers and shell scripts

Set up automated backup and restore procedures for Ollama AI models using systemd timers, shell scripts, and compression. Includes disaster recovery strategies and monitoring integration for production environments.

45 min 4 distros 106 views
monitoring Intermediate

Monitor MongoDB 8.0 performance with Prometheus and Grafana for real-time metrics and alerting

Set up comprehensive MongoDB performance monitoring using Prometheus metrics collection and Grafana dashboards with alerting rules for database health, connection pools, and query performance.

45 min 4 distros 93 views
databases Intermediate

Set up automated MySQL database backups with compression and rotation

Configure automated MySQL database backups with compression, encryption, and rotation using systemd timers. Includes monitoring and alerting for backup failures.

45 min 4 distros 158 views
monitoring Intermediate

Monitor PostgreSQL performance with Prometheus and Grafana dashboards

Set up comprehensive PostgreSQL monitoring using Prometheus PostgreSQL exporter and Grafana dashboards. Configure performance metrics collection, visualization, and alerting for database optimization and troubleshooting.

25 min 4 distros 96 views
databases Intermediate

Implement Redis backup automation with compression and encryption

Set up automated Redis backups with compression and GPG encryption for production environments. Create systemd timers for scheduled backups and implement secure remote storage for Redis data protection.

25 min 4 distros 159 views
databases Advanced

Implement ScyllaDB disaster recovery with cross-region replication

Set up ScyllaDB multi-region cluster with automated backup strategies, cross-datacenter replication, and failover automation for enterprise-grade disaster recovery and business continuity.

180 min 4 distros 148 views
devops Advanced

Configure SonarQube high availability clustering with PostgreSQL and load balancing

Set up enterprise-grade SonarQube clustering with PostgreSQL database replication, multiple application nodes, and HAProxy load balancing for zero-downtime code quality analysis across distributed teams.

90 min 4 distros 189 views
security Intermediate

Configure Redis backup encryption with GPG for secure automated backups

Set up encrypted Redis backups using GPG keys with automated scheduling through systemd timers. This tutorial covers GPG key management, backup script creation, and secure restoration procedures for production Redis environments.

45 min 4 distros 214 views
databases Advanced

Set up Redis 7 cluster with multiple master nodes for high availability and horizontal scaling

Configure a production-ready Redis 7 cluster with multiple master nodes and replicas for high availability, automatic failover, and horizontal data distribution. Includes cluster initialization, topology configuration, and comprehensive health monitoring.

45 min 4 distros 111 views
databases Advanced

Set up Elasticsearch 8 cross-cluster replication for disaster recovery and high availability

Configure Elasticsearch 8 cross-cluster replication (CCR) to replicate indices across multiple clusters for disaster recovery. This tutorial covers security setup, remote cluster connections, replication policies, and automated failover procedures.

45 min 4 distros 167 views

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