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 Uptime Kuma for website monitoring with SSL and email alerts
monitoringFix apt update E: Repository no longer has a Release file
linuxInstall and configure Caddy web server with automatic HTTPS and reverse proxy
hostingInstall and configure TimescaleDB with PostgreSQL for high-performance time-series data
databasesRecently published
Set up automated MariaDB Galera cluster backups with compression
databasesConfigure MariaDB ColumnStore for high-performance analytics workloads
databasesImplement Kibana 8 custom threat hunting dashboards for security incident response
monitoringConfigure Logstash 8 security pipelines with threat intelligence enrichment
monitoringConfigure Ansible Vault integration with HashiCorp Vault for secrets management
devopsSet up Grafana Enterprise high availability clustering with PostgreSQL backend and load balancing
Build a production-ready Grafana Enterprise cluster with PostgreSQL shared storage, HAProxy load balancing, and SSL encryption. Includes automated failover, session persistence, and comprehensive monitoring for enterprise observability platforms.
Configure Keycloak high availability clustering for production with load balancing and failover
Set up a production-ready Keycloak cluster with PostgreSQL backend, HAProxy load balancing, and automatic failover to ensure identity services remain available during node failures and high traffic.
Configure SonarQube quality gates and custom rules for automated code quality enforcement
Set up SonarQube quality gates with custom conditions, create language-specific rules, and integrate automated quality enforcement into CI/CD pipelines for continuous code quality monitoring.
Setup Keycloak SAML integration for enterprise single sign-on with identity providers
Configure Keycloak as a SAML identity provider for enterprise SSO, integrate with external identity providers, and implement secure SAML service provider connections with attribute mapping.
Configure Keycloak OAuth2 integration with web applications using OIDC and JWT tokens
Set up Keycloak as an OAuth2 identity provider with OIDC authentication flows. Configure client applications, implement JWT token validation, and secure NGINX reverse proxy with lua-resty-openidc for production web applications.
Configure Loki with S3 storage backend for scalable centralized logging
Set up Grafana Loki with S3-compatible object storage for scalable log aggregation. Configure retention policies, schema management, and monitoring for production-ready centralized logging infrastructure.
Secure Grafana with OAuth authentication and RBAC integration
Configure Grafana with OAuth SSO authentication, implement role-based access control (RBAC), and harden security with SSL certificates for enterprise-grade monitoring dashboard access.
Set up Vault as a PKI certificate authority with SSL automation and intermediate CA
Build a production-grade PKI infrastructure using HashiCorp Vault with root and intermediate certificate authorities. Enable automated SSL certificate generation and renewal for your applications with RBAC policies.
Integrate MinIO with Kubernetes for persistent storage and object data management
Deploy MinIO on Kubernetes using the operator for scalable object storage. Configure persistent volumes, high availability tenants, and secure ingress with SSL certificates.
Configure Prometheus Alertmanager for email and Slack notifications with webhook integration
Set up Prometheus Alertmanager to send critical alerts via email and Slack channels with custom webhook integration. This tutorial covers installation, SMTP configuration, routing rules, and alert notification testing.
Monitor PostgreSQL performance with pg_stat_statements extension for query analysis and optimization
Set up pg_stat_statements extension to collect query statistics, analyze slow queries, and optimize PostgreSQL database performance with automated monitoring alerts.
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.
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
At their desk in Rotterdam 12:11 · reachable in a message, no ticket form