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.

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 133 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 106 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 162 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 182 views
monitoring Intermediate

Monitor Jetty performance with JMX and Grafana dashboards

Set up comprehensive Jetty monitoring using JMX metrics collection with Prometheus JMX Exporter and visualize performance data through custom Grafana dashboards with automated alerting.

45 min 4 distros 104 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 98 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 112 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 136 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 131 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 96 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 91 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 106 views

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