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

Most viewed

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

hosting
9,865

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

monitoring
5,495

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

hosting
4,517

Install and configure Ollama for local AI models on Linux servers

devops
3,938

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

databases
3,923

Recently published

Configure PostgreSQL 17 SSL encryption and certificate-based authentication

databases
1 day ago

Set up HAProxy SSL termination with Let's Encrypt certificates

networking
5 days ago

Configure HAProxy with Consul for dynamic service discovery

networking
1 week ago

Configure PostgreSQL 17 connection pooling with PgBouncer for high availability

databases
1 week ago

Configure Kubernetes secrets management with External Secrets Operator and HashiCorp Vault

devops
2 weeks ago
"enterprise" × Clear all
networking Intermediate

Configure SNMP v3 authentication and encryption for secure network monitoring

Set up SNMP version 3 with user authentication and data encryption to secure network monitoring communications. This tutorial covers Net-SNMP daemon configuration, security protocols, and monitoring tool integration.

25 min 4 distros 883 views
monitoring Intermediate

Configure advanced Uptime Kuma monitoring with API integrations and automated alerting

Set up Uptime Kuma with advanced API endpoints, custom notification channels, and automated monitoring workflows. Configure health check automation, status page customization, and enterprise alerting rules for production environments.

45 min 4 distros 618 views
monitoring Intermediate

Set up Nagios Core 4.5 distributed monitoring with NRPE for remote host checks

Configure Nagios Core server with NRPE agents for distributed monitoring across multiple servers. Set up remote host checks, service monitoring, and centralized alerting for comprehensive infrastructure oversight.

45 min 4 distros 521 views
databases Advanced

Configure MariaDB Galera cluster 10.11 for multi-master replication with automatic failover

Set up a highly available MariaDB Galera cluster with multi-master replication, automatic failover, and synchronous data replication across multiple database nodes for enterprise applications.

45 min 4 distros 802 views
security Intermediate

Implement Linux file system encryption with LUKS and cryptsetup

Encrypt Linux file systems and partitions using LUKS (Linux Unified Key Setup) with cryptsetup tools. Configure encrypted storage, manage encryption keys, and implement backup procedures for production environments.

25 min 4 distros 794 views
security Advanced

Configure SSH certificate authentication with CA signing for secure server access

Set up SSH certificate-based authentication using a Certificate Authority to eliminate individual key management. Create signed user certificates that provide secure, scalable access control for multiple servers and users.

45 min 4 distros 468 views
networking Advanced

Monitor OSPF network topology with Prometheus and Grafana dashboards

Set up comprehensive OSPF network monitoring using FRRouting, Prometheus SNMP exporter, and Grafana dashboards to track network topology changes, LSA states, and routing convergence in real-time.

45 min 4 distros 702 views
networking Advanced

Configure FRRouting route maps and prefix lists for advanced routing policies

Set up FRRouting with route maps and prefix lists to control BGP route advertisement, implement traffic engineering, and create sophisticated routing policies for enterprise networks.

45 min 4 distros 867 views
performance Advanced

Set up Varnish 7 cluster with load balancing across multiple backends

Configure a high-performance Varnish Cache 7 cluster with intelligent load balancing across multiple web servers, SSL termination, health monitoring, and shared cache synchronization for enterprise web acceleration.

45 min 4 distros 585 views
security Intermediate

Configure OSSEC active response for automated threat blocking

Set up OSSEC active response to automatically block threats by configuring firewall rules, custom response scripts, and tuning response actions for real-time intrusion prevention.

25 min 4 distros 561 views
databases Advanced

Configure CockroachDB 24.3 multi-region deployment with high availability clustering

Deploy CockroachDB across multiple regions with automated failover, data locality controls, and production-grade security. Includes replication zones, load balancing, and disaster recovery strategies.

45 min 4 distros 977 views
security Intermediate

Implement network security policies with iptables and firewalld for enterprise infrastructure protection

Configure enterprise-grade network security with iptables and firewalld, implementing zone-based policies, advanced rules, and comprehensive logging for production infrastructure protection.

45 min 4 distros 435 views

Don't want to manage this yourself?

We handle infrastructure for businesses that depend on uptime. Fully managed, with one fixed contact who knows your setup.

You get one fixed contact who knows your setup

Rotterdam 03:43 · reachable in a message, no ticket form

+31 10 477 5362 WhatsApp