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.
Browse by topic
Linux
System administration, shell scripting, package management
Hosting & Servers
Web servers, reverse proxies, SSL, domains
Security
Firewalls, hardening, encryption, access control
Performance
Caching, optimization, profiling, load testing
Databases
MySQL, PostgreSQL, Redis, backups, replication
Networking
DNS, load balancing, VPN, TCP/IP, routing
DevOps
CI/CD, Docker, Kubernetes, automation
Monitoring
Logging, alerting, metrics, observability
Most viewed
Install and configure Deno for web development with systemd and reverse proxy
hostingInstall and configure Caddy web server with automatic HTTPS and reverse proxy
hostingInstall and configure Ollama for local AI models on Linux servers
devopsInstall and configure Uvicorn ASGI server with systemd and reverse proxy for FastAPI applications
hostingInstall and configure Uptime Kuma for website monitoring with SSL and email alerts
monitoringRecently published
Implement Apache load balancing with SSL termination and health checks
hostingSetup Node.js error tracking with Sentry for production monitoring and debugging
monitoringImplement Node.js application monitoring with Prometheus metrics and Grafana dashboards
monitoringImplement OSPF multi-area design with FRRouting and advanced routing policies
networkingConfigure Istio security policies with external authorization services integration
securityInstall and configure Graylog 5 for centralized log management with MongoDB and Elasticsearch
Set up Graylog 5 with MongoDB 8.0 and Elasticsearch 8 for centralized log collection, analysis, and alerting. Learn to configure secure inputs, data streams, and monitoring for production environments.
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.
Configure Tailscale with Kubernetes cluster networking integration
Set up Tailscale mesh VPN with Kubernetes cluster integration for secure pod-to-pod communication, subnet routing, and service discovery across distributed nodes.
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.
Implement Grafana alerting with Prometheus and InfluxDB for comprehensive monitoring
Set up comprehensive Grafana alerting using both Prometheus metrics and InfluxDB time-series data to monitor your infrastructure from multiple data sources. This tutorial covers configuring data sources, creating alert rules, and setting up notification channels for production monitoring.
Implement MongoDB 8.0 change streams for real-time data processing and application synchronization
Set up MongoDB 8.0 change streams to monitor database changes in real-time. Configure replica sets, implement Python and Node.js clients, and add filtering and resumability for production applications.
Set up OpenTelemetry custom instrumentation and metrics collection with Prometheus integration
Configure OpenTelemetry Collector with custom metrics exporters and processors, set up application instrumentation with SDKs, and integrate with Prometheus and Grafana for comprehensive distributed system monitoring and observability.
Configure OpenResty with PostgreSQL connection pooling for database integration
Set up OpenResty with lua-resty-postgres for high-performance database connection pooling. This tutorial covers installation, connection management, health checks, and security hardening for production web applications.
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.
Monitor OpenVPN connections with Grafana dashboard and Prometheus metrics
Set up comprehensive monitoring for your OpenVPN server using Prometheus to collect connection metrics and Grafana to visualize client connections, bandwidth usage, and server performance through custom dashboards.
Integrate OpenTelemetry with ELK stack for unified observability and distributed tracing
Set up a comprehensive observability stack by integrating OpenTelemetry Collector with Elasticsearch, Logstash, and Kibana for distributed tracing, metrics collection, and unified monitoring across microservices and applications.
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.
Need help?
Don't want to manage this yourself?
We handle infrastructure for businesses that depend on uptime. From initial setup to ongoing operations.
Talk to an engineer