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

monitoring
5,662

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

hosting
4,702

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

databases
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Install and configure Ollama for local AI models on Linux servers

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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
"security hardening" × Clear all
networking Advanced

Monitor OSPF network topology with Prometheus and Grafana dashboards

Set up comprehensive OSPF network monitoring using FRRouting, Prometheus SNMP exporter, and Grafana dashboards to track network topology changes, LSA states, and routing convergence in real-time.

45 min 4 distros 760 views
hosting Intermediate

Configure Cherokee web server with MySQL database optimization and performance tuning

Set up Cherokee web server with optimized MySQL database connections, FastCGI configuration, and performance tuning for high-traffic web applications on Linux systems.

45 min 4 distros 505 views
databases Advanced

Configure Cassandra SSL encryption and authentication with security hardening

Set up comprehensive SSL/TLS encryption for Apache Cassandra with client-to-node and node-to-node security, certificate management, and production-grade authentication hardening.

45 min 4 distros 609 views
databases Advanced

Optimize Cassandra data modeling and query performance with advanced tuning and monitoring

Master advanced Cassandra optimization with data modeling best practices, partition strategies, JVM tuning, and comprehensive monitoring. Learn to design efficient schemas, optimize queries, and implement Prometheus integration for production-grade performance.

45 min 4 distros 569 views
linux Intermediate

Configure systemd service resource limits and security isolation

Configure cgroups v2 resource limits and security isolation for systemd services to prevent resource exhaustion and improve system security. This tutorial covers memory, CPU, and I/O limits with monitoring and troubleshooting.

35 min 4 distros 970 views
security Intermediate

Configure SSH key authentication and security hardening

Replace password authentication with SSH keys and implement comprehensive security hardening including fail2ban, audit logging, and access controls to protect your Linux servers from unauthorized access and brute force attacks.

25 min 4 distros 563 views
security Intermediate

Configure PostgreSQL 17 SSL encryption and advanced security hardening

Set up SSL/TLS encryption, client certificate authentication, and comprehensive security policies for PostgreSQL 17. Includes audit logging, access controls, and firewall configuration for production environments.

45 min 4 distros 744 views
databases Advanced

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

Configure PostgreSQL 17 streaming replication with automatic failover, PgBouncer connection pooling for performance optimization, and HAProxy load balancing for high availability database architecture.

45 min 4 distros 814 views
security Intermediate

Implement network security policies with iptables and firewalld for enterprise infrastructure protection

Configure enterprise-grade network security with iptables and firewalld, implementing zone-based policies, advanced rules, and comprehensive logging for production infrastructure protection.

45 min 4 distros 488 views
hosting Intermediate

Integrate H2O with Let's Encrypt for automatic SSL certificates

Set up H2O HTTP/2 web server with automatic SSL certificate management using Let's Encrypt and certbot. Configure SSL termination, automatic renewal, and security hardening for production deployments.

30 min 4 distros 493 views
linux Intermediate

Configure backup compression and deduplication with BorgBackup and rsync for optimal storage efficiency

Set up automated backup systems with BorgBackup's advanced compression and deduplication alongside rsync strategies for maximum storage efficiency and reliable data protection.

25 min 4 distros 620 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 617 views

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