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
10,456

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

monitoring
6,242

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

hosting
5,305

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

linux
5,153

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

databases
4,821

Recently published

Configure MariaDB ColumnStore for high-performance analytics workloads

databases
1 day ago

Implement Kibana 8 custom threat hunting dashboards for security incident response

monitoring
3 days ago

Configure Logstash 8 security pipelines with threat intelligence enrichment

monitoring
1 week ago

Configure Ansible Vault integration with HashiCorp Vault for secrets management

devops
2 weeks ago

Implement Thanos Ruler for distributed alerting and recording rules across Prometheus clusters

monitoring
2 weeks ago
"high-availability" × Clear all
security Advanced

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.

45 min 4 distros 1,220 views
security Intermediate

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.

45 min 4 distros 1,020 views
monitoring Intermediate

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.

45 min 4 distros 925 views
security Intermediate

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.

45 min 4 distros 1,237 views
devops Advanced

Integrate HashiCorp Vault with Kubernetes secrets management for secure container orchestration

Configure HashiCorp Vault integration with Kubernetes using the Vault CSI driver and Secrets Operator for automated secret injection and synchronization. This setup enables secure secret management for containerized applications with dynamic secret rotation and policy-based access controls.

45 min 4 distros 930 views
security Intermediate

Configure Vault dynamic secrets for databases with PostgreSQL and MySQL integration

Set up HashiCorp Vault's database secrets engine to automatically generate short-lived credentials for PostgreSQL and MySQL databases, improving security by eliminating static passwords and enabling automated credential rotation.

45 min 4 distros 881 views
security Intermediate

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.

45 min 4 distros 1,088 views
monitoring Intermediate

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.

25 min 4 distros 938 views
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 1,169 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 990 views
monitoring Intermediate

Monitor WireGuard VPN server with Prometheus and Grafana dashboards

Set up comprehensive monitoring for your WireGuard VPN server using Prometheus metrics collection and Grafana visualization. This guide covers installing the WireGuard exporter, configuring alerting rules, and building dashboards to track connection status, bandwidth usage, and peer activity.

25 min 4 distros 1,026 views
monitoring Intermediate

Setup Grafana alerting with Slack and Microsoft Teams integration

Configure Grafana's unified alerting system to send notifications to Slack and Microsoft Teams. Set up alert rules, notification policies, and webhook integrations for comprehensive monitoring coverage.

25 min 4 distros 1,706 views

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