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
5,710

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

hosting
2,152

Install and configure Ollama for local AI models on Linux servers

devops
2,042

Install and configure Uvicorn ASGI server with systemd and reverse proxy for FastAPI applications

hosting
1,913

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

monitoring
1,755

Recently published

Setup Node.js error tracking with Sentry for production monitoring and debugging

monitoring
1 hour ago

Implement Node.js application monitoring with Prometheus metrics and Grafana dashboards

monitoring
10 hours ago

Implement OSPF multi-area design with FRRouting and advanced routing policies

networking
15 hours ago

Configure Istio security policies with external authorization services integration

security
20 hours ago

Implement Docker network security with custom bridge networks and container isolation

security
1 day ago
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security Intermediate

Configure Kubernetes network policies for enhanced cluster security

Implement granular network security controls in Kubernetes using Calico CNI. Learn to create ingress and egress policies, namespace isolation, and label-based microsegmentation for production clusters.

35 min 4 distros 119 views
devops Advanced

Set up Kubernetes persistent volume snapshots and backup automation

Configure CSI snapshot controllers, create persistent volume snapshots, and implement automated backup strategies with Velero for production Kubernetes environments.

45 min 4 distros 128 views
monitoring Intermediate

Install and configure Filebeat 8.15 for efficient log shipping to ELK stack

Set up Filebeat 8.15 to collect and ship logs from multiple sources to Elasticsearch. Configure SSL/TLS security, performance optimization, and monitoring for production-grade log aggregation.

45 min 4 distros 114 views
monitoring Intermediate

Set up PHP application performance monitoring with APM tools and real-time metrics collection

Monitor PHP application performance with New Relic APM and Elastic APM, implement custom metrics collection, and set up comprehensive Grafana dashboards for real-time application observability and performance optimization.

35 min 4 distros 165 views
security Advanced

Configure auditd with Elasticsearch and Kibana for compliance reporting

Set up comprehensive Linux audit logging with auditd, integrate with Elasticsearch 8 and Kibana 8 for centralized analysis, and create compliance dashboards for PCI DSS, HIPAA, and SOX reporting requirements.

45 min 4 distros 151 views
security Intermediate

Configure LDAP authentication for centralized user management with OpenLDAP and SSSD

Set up centralized user authentication using OpenLDAP server with SSSD client integration. Configure PAM and NSS for seamless login across multiple Linux systems with directory-based user management.

45 min 4 distros 170 views
security Intermediate

Implement container security with AppArmor and seccomp profiles

Secure your containers with AppArmor mandatory access controls and seccomp system call filtering. Learn to create custom security profiles, implement runtime policies, and monitor container security violations in production environments.

45 min 4 distros 460 views
devops Intermediate

Configure container resource limits with Docker and systemd for production workloads

Learn to set memory, CPU, and I/O limits for Docker containers using both Docker runtime constraints and systemd service limits. Master cgroups v2 integration for bulletproof resource management in production environments.

25 min 4 distros 200 views
networking Intermediate

Setup Tailscale site-to-site VPN with multiple exit nodes for redundancy

Configure a resilient Tailscale mesh VPN with multiple exit nodes for high availability site-to-site connectivity. Set up subnet routing, automatic failover, and monitoring across distributed networks.

45 min 4 distros 478 views
devops Advanced

Setup Gunicorn blue-green deployment with NGINX for zero downtime Python applications

Configure zero-downtime deployments for Python web applications using Gunicorn blue-green deployment strategy with NGINX reverse proxy, automated health checks, and rollback mechanisms for production reliability.

45 min 4 distros 159 views
monitoring Intermediate

Configure Tailscale monitoring with Prometheus and Grafana dashboards

Set up comprehensive monitoring for your Tailscale mesh VPN network using Prometheus metrics collection and Grafana dashboards to track node connectivity, traffic patterns, and performance across your distributed infrastructure.

45 min 4 distros 298 views
databases Advanced

Set up PostgreSQL 17 streaming replication with PgBouncer connection pooling and load balancing

Configure PostgreSQL 17 with streaming replication for high availability, then add PgBouncer connection pooling with intelligent load balancing across primary and replica servers for production-grade database infrastructure.

45 min 4 distros 189 views

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