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.

linux Intermediate

Configure automated system maintenance with advanced cron scheduling and shell scripts

Set up comprehensive automated system maintenance using advanced cron scheduling patterns, custom shell scripts, and monitoring alerts to ensure optimal server performance and reliability.

45 min 4 distros 34 views
monitoring Intermediate

Configure advanced network monitoring with SmokePing for detailed latency analysis

Set up SmokePing for detailed network latency monitoring with visual graphs, multi-target analysis, and advanced alerting. Perfect for tracking network performance trends and identifying connectivity issues across multiple hosts.

45 min 4 distros 27 views
security Intermediate

Configure automated compliance scanning with OpenSCAP and audit reporting

Set up OpenSCAP security compliance scanning with automated systemd timers, generate HTML and XML audit reports, and configure SCAP security profiles for continuous compliance monitoring.

25 min 4 distros 63 views
security Intermediate

Set up LUKS full disk encryption during Linux installation

Configure full disk encryption with LUKS during OS installation to secure your data at rest. Includes post-installation key management, performance optimization, and troubleshooting for production systems.

45 min 4 distros 108 views
security Advanced

Configure auditd with Elasticsearch and Kibana for compliance reporting

Set up comprehensive Linux audit logging with auditd, integrate with Elasticsearch 8 and Kibana 8 for centralized analysis, and create compliance dashboards for PCI DSS, HIPAA, and SOX reporting requirements.

45 min 4 distros 65 views
networking Intermediate

Configure SNMP v3 authentication and encryption for secure network monitoring

Set up SNMP version 3 with user authentication and data encryption to secure network monitoring communications. This tutorial covers Net-SNMP daemon configuration, security protocols, and monitoring tool integration.

25 min 4 distros 62 views
linux Intermediate

Optimize systemd journal logging performance and storage

Learn how to optimize systemd journald for production environments by configuring storage limits, compression, performance settings, and implementing log forwarding with monitoring.

25 min 4 distros 56 views
security Intermediate

Configure SELinux mandatory access controls for enhanced security

Set up SELinux on Ubuntu and Debian systems, configure security modes and policies, create custom application rules, and implement comprehensive monitoring for enhanced Linux security hardening.

45 min 4 distros 53 views
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 91 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 77 views
security Intermediate

Configure OSSEC vulnerability detection with CVE scanning and automated security alerts

Set up OSSEC Host Intrusion Detection System with vulnerability scanning capabilities, CVE database integration, and automated alerting for comprehensive security monitoring across your infrastructure.

25 min 4 distros 49 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 139 views

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