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
10,622

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

monitoring
6,476

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

linux
5,969

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

hosting
5,550

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

databases
5,081

Recently published

Set up automated MariaDB Galera cluster backups with compression

databases
1 week ago

Configure MariaDB ColumnStore for high-performance analytics workloads

databases
1 week ago

Implement Kibana 8 custom threat hunting dashboards for security incident response

monitoring
2 weeks ago

Configure Logstash 8 security pipelines with threat intelligence enrichment

monitoring
3 weeks ago

Configure Ansible Vault integration with HashiCorp Vault for secrets management

devops
3 weeks ago
"nat" × Clear all
databases Intermediate

Configure Elasticsearch 8 snapshot and restore policies with automated backup strategies

Set up comprehensive Elasticsearch 8 backup strategies with snapshot lifecycle management (SLM), filesystem and S3 repository backends, automated scheduling, and recovery procedures for production environments.

45 min 4 distros 989 views
security Advanced

Integrate ClamAV cluster with file upload APIs for scalable malware scanning

Set up a clustered ClamAV deployment with REST API endpoints for automated malware scanning of file uploads. Configure load balancing, authentication, and monitoring for high-availability antivirus scanning in production environments.

45 min 4 distros 1,043 views
hosting Intermediate

Setup Caddy automatic SSL certificates with Let's Encrypt and DNS challenges

Configure Caddy 2 web server with automatic SSL certificate provisioning using Let's Encrypt and DNS challenge authentication for secure HTTPS automation.

25 min 4 distros 2,640 views
hosting Intermediate

Setup NGINX SSL certificates with PM2 clustering for Node.js applications

Configure NGINX as a reverse proxy with SSL certificates and load balancing for PM2 clustered Node.js applications. Set up automatic SSL certificate management with Let's Encrypt, implement health checks, and optimize performance for production environments.

45 min 4 distros 984 views
security Intermediate

Configure Apache SSL hardening with perfect forward secrecy and modern security protocols

Harden Apache HTTP server with modern SSL/TLS configuration, perfect forward secrecy cipher suites, and security headers to protect against common web vulnerabilities and ensure compliance with security standards.

25 min 4 distros 772 views
security Advanced

Configure ClamAV cluster with Kubernetes deployment for high availability antivirus scanning

Deploy a distributed ClamAV antivirus cluster on Kubernetes with persistent storage, load balancing, and monitoring for enterprise-grade threat detection and scanning.

45 min 4 distros 1,928 views
databases Advanced

Optimize Elasticsearch 8 search performance with custom analyzers and field mappings

Configure custom text analyzers, optimize field mappings, and implement index templates to dramatically improve Elasticsearch search performance and relevance for production workloads.

45 min 4 distros 759 views
hosting Intermediate

Setup FastAPI email verification and password reset functionality with Redis and PostgreSQL

Build secure user authentication with email verification and password reset features in FastAPI using Redis for session management and PostgreSQL for user storage.

45 min 4 distros 1,522 views
databases Advanced

Configure MongoDB sharding with zone-based data distribution for geographic workloads

Set up MongoDB sharding with geographic zones to distribute data based on location, ensuring optimal performance for global applications and regulatory compliance.

45 min 4 distros 817 views
devops Advanced

Configure Kubernetes secrets management with Vault integration for secure container orchestration

Set up HashiCorp Vault Agent Injector to automatically inject secrets into Kubernetes pods without storing sensitive data in container images or configuration files. This production-grade approach replaces hardcoded secrets with dynamic, secure credential management.

45 min 4 distros 1,152 views
monitoring Advanced

Monitor Kubernetes network policies with Prometheus and Grafana for enhanced cluster security

Set up comprehensive monitoring for Kubernetes network policies using Prometheus and Grafana. Configure CNI metrics collection, create security dashboards, and implement alerting for policy violations and traffic anomalies.

45 min 4 distros 881 views
databases Advanced

Set up CockroachDB backup and disaster recovery automation with systemd timers and monitoring

Configure automated backup strategies for CockroachDB with systemd timers, implement comprehensive disaster recovery procedures, and set up monitoring with Prometheus and Grafana for production-grade database infrastructure.

90 min 4 distros 788 views

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