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
894

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

hosting
760

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

security
758

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

hosting
748

Install and configure PostgreSQL 17 with performance tuning and security hardening

databases
732

Recently published

Configure Cherokee web server with MySQL database optimization and performance tuning

hosting
1 hour ago

Configure Cassandra SSL encryption and authentication with security hardening

databases
5 hours ago

Install and configure ntopng for comprehensive network monitoring with traffic analysis and real-time dashboards

networking
5 hours ago

Optimize Cassandra data modeling and query performance with advanced tuning and monitoring

databases
5 hours ago

Monitor system time drift with Prometheus and Grafana alerts

monitoring
6 hours ago
"systemd timers" × Clear all
networking Advanced

Implement WireGuard multi-site mesh networking with automatic routing and failover

Deploy a scalable WireGuard mesh network across multiple sites with automatic routing, failover mechanisms, and centralized management for high-availability site-to-site connectivity.

45 min 4 distros 49 views
devops Intermediate

Configure AWX backup and disaster recovery procedures with automated PostgreSQL snapshots and restoration

Set up comprehensive backup and disaster recovery for AWX (Ansible Tower) with automated PostgreSQL database snapshots, configuration backups, and tested restoration procedures to ensure business continuity.

45 min 4 distros 60 views
devops Intermediate

Implement Consul backup and disaster recovery with automated snapshots and restoration

Set up automated Consul snapshots with GPG encryption, systemd timers, and complete disaster recovery procedures. Includes monitoring integration with Prometheus and automated restoration workflows for production environments.

45 min 4 distros 66 views
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 64 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 73 views
security Intermediate

Implement Airflow DAG security scanning with Bandit and safety checks

Set up automated security scanning for Apache Airflow DAGs using Bandit for Python code analysis and Safety for vulnerability detection. Configure pre-commit hooks and CI/CD integration for continuous security monitoring.

45 min 4 distros 13 views
devops Advanced

Configure Podman secrets management with HashiCorp Vault integration

Set up secure container secrets management by integrating Podman with HashiCorp Vault. Configure dynamic secret injection, automated rotation, and production-ready monitoring for containerized applications.

45 min 4 distros 62 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 34 views
devops Intermediate

Deploy Consul Template for dynamic configuration management with systemd integration

Set up Consul Template to automatically generate configuration files from Consul key-value pairs and service discovery data. This tutorial covers installation, template creation, systemd service configuration, and monitoring setup for production environments.

25 min 4 distros 49 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 108 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 94 views
linux Beginner

Configure Linux system monitoring with iostat and disk performance analysis

Learn to monitor disk I/O performance with iostat from the sysstat package. Set up real-time monitoring, identify bottlenecks, and automate disk performance analysis with systemd timers.

25 min 6 distros 138 views

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