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
9,891

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

monitoring
5,560

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

hosting
4,590

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

databases
3,997

Install and configure Ollama for local AI models on Linux servers

devops
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Recently published

Configure PostgreSQL 17 SSL encryption and certificate-based authentication

databases
4 days ago

Set up HAProxy SSL termination with Let's Encrypt certificates

networking
1 week ago

Configure HAProxy with Consul for dynamic service discovery

networking
1 week 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
2 weeks ago
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databases Advanced

Configure ScyllaDB SSL encryption and authentication with certificate management and security hardening

Secure your ScyllaDB cluster with comprehensive SSL/TLS encryption for client connections and inter-node communication. This tutorial covers certificate generation, authentication setup, and production security hardening.

45 min 4 distros 591 views
linux Intermediate

Set up RAID arrays with mdadm for performance and redundancy

Configure Linux software RAID arrays with mdadm to improve disk performance and protect against drive failures. Learn to create RAID 0, 1, 5, 6, and 10 configurations with automatic monitoring and management.

45 min 4 distros 613 views
security Advanced

Configure SSH certificate authentication with CA signing for secure server access

Set up SSH certificate-based authentication using a Certificate Authority to eliminate individual key management. Create signed user certificates that provide secure, scalable access control for multiple servers and users.

45 min 4 distros 493 views
security Intermediate

Configure SSH two-factor authentication with Google Authenticator TOTP

Add an extra layer of security to SSH logins by requiring both a password and a time-based one-time password (TOTP) generated by Google Authenticator or compatible apps.

25 min 4 distros 872 views
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 720 views
hosting Advanced

Configure Jetty clustering and session replication for high availability

Set up Eclipse Jetty 12 in a clustered configuration with session replication across multiple nodes. This tutorial covers installation, clustering setup with JDBC session persistence, load balancer integration, and production monitoring for high-availability web applications.

45 min 4 distros 489 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 445 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 570 views
networking Intermediate

Install and configure ntopng for comprehensive network monitoring with traffic analysis and real-time dashboards

Set up ntopng to monitor network traffic in real-time with detailed analytics, bandwidth monitoring, and customizable dashboards. Learn to configure interface monitoring, traffic analysis rules, and alerting for complete network visibility.

45 min 4 distros 1,049 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 529 views
monitoring Intermediate

Monitor system time drift with Prometheus and Grafana alerts

Set up comprehensive time synchronization monitoring with Prometheus node exporter metrics, Grafana dashboards, and automated alerting to prevent system clock drift issues in production environments.

45 min 4 distros 600 views
databases Intermediate

Set up Cassandra backup automation with nodetool

Automate Apache Cassandra backups using nodetool snapshots, systemd timers, and retention policies. Configure monitoring and alerting for production-grade backup management with automated cleanup and verification.

45 min 4 distros 644 views

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