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
10,623

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

monitoring
6,479

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

linux
5,985

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

hosting
5,567

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

databases
5,086

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
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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 1,176 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 1,034 views
monitoring Intermediate

Monitor Apache Cassandra cluster with Prometheus and Grafana dashboards

Set up comprehensive monitoring for Apache Cassandra clusters using JMX exporter, Prometheus metrics collection, and Grafana dashboards with alerting rules for cluster health.

45 min 4 distros 1,183 views
security Advanced

Integrate OSSEC with Splunk for centralized security monitoring and log analysis

Set up OSSEC HIDS with Splunk Universal Forwarder to centralize security events, create monitoring dashboards, and enable real-time threat correlation across your infrastructure.

45 min 4 distros 865 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 1,462 views
hosting Intermediate

Configure NGINX SSL termination with Redis session storage

Set up NGINX as an SSL termination proxy with Redis backend for session storage, enabling scalable load balancing and persistent user sessions across multiple application servers.

45 min 4 distros 832 views
security Advanced

Configure intrusion detection with OSSEC and fail2ban integration

Set up comprehensive intrusion detection by integrating OSSEC HIDS with fail2ban for automated threat response. This advanced configuration provides real-time monitoring, log analysis, and automated IP blocking for enhanced server security.

45 min 4 distros 869 views
performance Advanced

Set up Varnish 7 cluster with load balancing across multiple backends

Configure a high-performance Varnish Cache 7 cluster with intelligent load balancing across multiple web servers, SSL termination, health monitoring, and shared cache synchronization for enterprise web acceleration.

45 min 4 distros 1,050 views
databases Advanced

Configure CockroachDB 24.3 multi-region deployment with high availability clustering

Deploy CockroachDB across multiple regions with automated failover, data locality controls, and production-grade security. Includes replication zones, load balancing, and disaster recovery strategies.

45 min 4 distros 1,457 views
security Intermediate

Set up Fail2ban with Cloudflare API integration for automatic IP blocking and enhanced security

Configure Fail2ban to automatically add malicious IPs to Cloudflare's firewall rules for enhanced protection. This tutorial covers installation, custom filters, API integration, and monitoring for comprehensive security automation across your infrastructure.

45 min 4 distros 2,720 views
security Advanced

Configure ModSecurity machine learning anomaly detection for automated threat protection

Set up ModSecurity 3 with machine learning anomaly detection to automatically identify and block unknown attack patterns. This advanced configuration adds intelligent threat protection beyond traditional signature-based rules.

45 min 4 distros 910 views
performance Advanced

Configure NGINX HTTP/2 server push and connection multiplexing

Configure NGINX HTTP/2 server push and connection multiplexing to reduce page load times by up to 50% through proactive resource delivery and efficient connection reuse for high-performance web applications.

25 min 4 distros 1,311 views

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