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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Install and configure Deno for web development with systemd and reverse proxy

hosting
10,641

Install and configure Uptime Kuma for website monitoring with SSL and email alerts

monitoring
6,502

Fix apt update E: Repository no longer has a Release file

linux
6,034

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

hosting
5,587

Install and configure TimescaleDB with PostgreSQL for high-performance time-series data

databases
5,096

Recently published

Set up automated MariaDB Galera cluster backups with compression

databases
1 week ago

Configure MariaDB ColumnStore for high-performance analytics workloads

databases
1 week ago

Implement Kibana 8 custom threat hunting dashboards for security incident response

monitoring
2 weeks ago

Configure Logstash 8 security pipelines with threat intelligence enrichment

monitoring
3 weeks ago

Configure Ansible Vault integration with HashiCorp Vault for secrets management

devops
3 weeks ago
"syslog" × Clear all
networking Intermediate

Configure WireGuard site-to-site VPN connections with advanced routing and security

Set up secure network-to-network VPN tunnels using WireGuard with advanced routing, firewall rules, and monitoring for connecting multiple office locations or data centers.

45 min 4 distros 1,349 views
databases Intermediate

Install and configure PgBouncer for PostgreSQL connection pooling with performance optimization

Set up PgBouncer to efficiently manage PostgreSQL connections, reduce database load, and improve application performance with proper authentication and monitoring.

25 min 4 distros 1,140 views
monitoring Intermediate

Set up Prometheus Blackbox Exporter for uptime monitoring with SSL and alerting

Configure Prometheus Blackbox Exporter to monitor website availability, SSL certificate expiry, and HTTP response times with comprehensive Grafana dashboards and alert rules.

45 min 4 distros 1,147 views
devops Intermediate

Configure Traefik with Consul service discovery for dynamic load balancing

Set up Traefik 3.1 reverse proxy with Consul service discovery to automatically route traffic to services without manual configuration. Learn dynamic routing, SSL automation, health checks, and monitoring setup for production environments.

25 min 4 distros 1,055 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 1,365 views
security Intermediate

Set up SSH bastion host with jump server configuration for secure network access

Configure an SSH bastion host to secure access to private networks, implementing jump server functionality with key-based authentication and access controls for enhanced security.

25 min 4 distros 1,129 views
networking Intermediate

Configure HAProxy multi-site SSL termination with SNI for secure load balancing

Set up HAProxy to handle SSL certificates for multiple domains using Server Name Indication (SNI), enabling secure HTTPS traffic termination and load balancing across different backend services.

45 min 4 distros 1,572 views
linux Advanced

Configure Linux transparent huge pages and memory optimization for database workloads

Learn to configure transparent huge pages (THP) and optimize Linux memory management for database workloads. Covers THP disable/enable strategies, performance monitoring, and automation with systemd.

25 min 6 distros 1,439 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 1,431 views
hosting Beginner

Fix systemd service keeps restarting in a loop

Stop systemd services from continuously restarting by identifying restart loop causes, debugging configuration issues, and implementing proper service constraints to ensure stable operation.

25 min 6 distros 2,798 views
linux Advanced

Configure Linux container memory limits and monitoring with systemd and cgroups v2

Set up memory limits and monitoring for containers using systemd services and cgroups v2 to prevent OOM kills and track resource usage.

25 min 6 distros 1,666 views
hosting Beginner

Install and configure uWSGI application server with Nginx reverse proxy for Python web applications

Set up a production-ready Python web application stack with uWSGI as the WSGI server and Nginx as a reverse proxy. Includes SSL certificate setup, systemd service configuration, and troubleshooting guide for Django and Flask deployments.

25 min 6 distros 1,295 views

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