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
9,940

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

monitoring
5,677

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

hosting
4,711

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

databases
4,134

Install and configure Ollama for local AI models on Linux servers

devops
4,087

Recently published

Configure PostgreSQL 17 SSL encryption and certificate-based authentication

databases
1 week ago

Set up HAProxy SSL termination with Let's Encrypt certificates

networking
1 week ago

Configure HAProxy with Consul for dynamic service discovery

networking
2 weeks ago

Configure PostgreSQL 17 connection pooling with PgBouncer for high availability

databases
2 weeks ago

Configure Kubernetes secrets management with External Secrets Operator and HashiCorp Vault

devops
3 weeks ago
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security Advanced

Implement Consul Connect mTLS with Vault PKI backend for secure service mesh communication

Set up mutual TLS authentication for Consul Connect using HashiCorp Vault's PKI backend to secure service-to-service communication with automatic certificate management and rotation.

45 min 4 distros 599 views
devops Advanced

Configure Podman secrets management with HashiCorp Vault integration

Set up secure container secrets management by integrating Podman with HashiCorp Vault. Configure dynamic secret injection, automated rotation, and production-ready monitoring for containerized applications.

45 min 4 distros 728 views
databases Advanced

Set up TimescaleDB high availability with streaming replication and automatic failover

Configure TimescaleDB with PostgreSQL streaming replication for high availability. Set up primary and standby servers with hot standby mode, implement automatic failover with pg_auto_failover, and monitor replication status for production-ready time-series database clustering.

45 min 4 distros 672 views
databases Intermediate

Configure ClickHouse materialized views for real-time analytics with performance optimization

Set up ClickHouse materialized views to transform raw data into real-time aggregations. Configure performance optimization with memory tuning and monitoring for high-throughput analytics workloads.

45 min 4 distros 1,121 views
networking Advanced

Configure Cilium BGP peering with MetalLB integration for Kubernetes load balancing

Set up Cilium CNI with BGP routing capabilities and integrate with MetalLB speaker components for bare-metal Kubernetes load balancing. This configuration enables external traffic routing and service discovery in on-premises environments.

45 min 4 distros 580 views
devops Intermediate

Install and configure ArgoCD Image Updater for automatic Kubernetes deployments with GitOps automation

Set up ArgoCD Image Updater to automatically monitor container registries and update Kubernetes deployments when new image versions are available. Configure GitOps workflows with automated Git commits and Prometheus monitoring for seamless CI/CD integration.

25 min 4 distros 639 views
security Intermediate

Configure Keycloak custom themes and branding with SSL integration and production deployment

Set up custom Keycloak themes with your organization's branding, implement SSL certificates, and deploy to production with hot reload development workflow and performance optimization.

45 min 4 distros 709 views
security Intermediate

Configure Nexus Repository Manager LDAP authentication for enterprise user management

Set up LDAP authentication for Nexus Repository Manager to enable centralized enterprise user management and seamless integration with Active Directory for secure artifact repository access.

25 min 4 distros 822 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 700 views
security Intermediate

Implement two-factor authentication for SSH with Google Authenticator and TOTP

Secure your SSH connections by adding TOTP-based two-factor authentication using Google Authenticator and PAM modules for an additional layer of protection beyond passwords and keys.

25 min 4 distros 744 views
security Advanced

Secure Docker containers with Traefik reverse proxy and Authelia authentication

Set up a production-grade security stack using Traefik v3 reverse proxy with SSL automation and Authelia for multi-factor authentication. This tutorial covers Docker hardening, LDAP integration, and container security monitoring.

45 min 4 distros 764 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 660 views

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