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 Uvicorn ASGI server with systemd and reverse proxy for FastAPI applications
hostingInstall and configure Ollama for local AI models on Linux servers
devopsInstall and configure Uptime Kuma for website monitoring with SSL and email alerts
monitoringRecently published
Configure custom SNMP MIBs for vendor-specific monitoring with SNMP v2c and v3
monitoringImplement NGINX Plus active health checks for enterprise environments
hostingSetup Prometheus Blackbox Exporter for endpoint monitoring with SSL and alerting
monitoringConfigure Prometheus alerting with AlertManager notifications and webhook integration
monitoringConfigure Elasticsearch cross-cluster replication for disaster recovery
databasesImplement Consul ACL security and encryption for production deployments
Configure Consul's Access Control List (ACL) system with bootstrap tokens, implement TLS encryption for client-server communication, and enable gossip encryption to secure your Consul cluster for production environments with comprehensive authentication and authorization.
Setup Caddy with Consul service discovery for dynamic load balancing
Configure Caddy web server to automatically discover backend services through Consul, enabling dynamic load balancing without manual configuration updates. This setup provides high availability and automatic failover for microservices architectures.
Configure Consul backup and disaster recovery with automated snapshots and restoration
Set up automated Consul snapshots with verification, implement disaster recovery procedures, and configure monitoring for production-grade backup strategies that ensure service discovery data protection.
Monitor system resources with Netdata real-time performance dashboard
Set up Netdata for comprehensive real-time monitoring of CPU, memory, disk, and network resources with a web-based dashboard, email alerts, and customizable thresholds.
Configure Linux file permissions and access control with umask and chmod best practices
Learn how to configure secure Linux file permissions using chmod, set default permissions with umask, and implement proper access control to prevent security vulnerabilities while fixing permission denied errors.
Configure network bridge interfaces for VM networking and container communication
Set up Linux network bridges to enable communication between virtual machines, containers, and physical networks. Configure bridge interfaces using netplan, bridge utilities, and implement security policies for production environments.
Configure Tailscale mesh VPN with subnet routing and ACL policies for secure network access
Set up a zero-trust mesh VPN network with Tailscale that includes subnet routing for local network access, granular ACL policies for security, and exit nodes for secure internet access.
Configure Linux system backup automation with rsync and systemd timers
Set up automated Linux system backups using rsync with SSH authentication, systemd timers for scheduling, retention policies, email notifications, and monitoring. Perfect for production environments requiring reliable backup automation.
Optimize HAProxy performance with connection pooling and advanced load balancing algorithms
Configure HAProxy with connection pooling, advanced load balancing algorithms, and performance tuning for high-throughput workloads. Learn to implement least-conn, URI hashing, and buffer optimization.
Configure Zabbix SNMP monitoring for network devices with automated discovery and templates
Set up comprehensive SNMP monitoring for network devices using Zabbix with automated discovery rules, custom templates, and intelligent alerting. Learn to monitor switches, routers, and other network equipment with performance triggers and detailed reporting.
Configure Consul Connect service mesh with Envoy proxy for secure microservices communication
Set up Consul Connect service mesh with Envoy sidecar proxies to enable secure, encrypted service-to-service communication with mutual TLS authentication, traffic policies, and observability for your microservices architecture.
Configure ZooKeeper for ClickHouse replication with multi-node cluster setup
Set up a production-ready ZooKeeper ensemble to enable ClickHouse replication across multiple nodes. This tutorial covers ZooKeeper cluster configuration, ClickHouse integration, security hardening, and failover testing.
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