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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Most viewed

Install and configure ArgoCD for GitOps continuous deployment with RBAC and SSL

devops
424

Install and configure CockroachDB cluster with high availability and distributed SQL

databases
415

Install and configure PostgreSQL 17 with performance tuning and security hardening

databases
411

Install and configure Loki for centralized log aggregation with Grafana integration

monitoring
404

Install and configure WireGuard VPN server with client management

networking
400

Recently published

Configure Nagios SNMP monitoring for network devices with automated discovery and templates

monitoring
5 hours ago

Integrate Elasticsearch 8 with Prometheus monitoring and Grafana dashboards

monitoring
5 hours ago

Set up NGINX web application firewall with ModSecurity 3 and OWASP Core Rule Set

security
5 hours ago

Configure NGINX reverse proxy with advanced caching and load balancing

hosting
5 hours ago

Configure Netdata alerts with Slack and Microsoft Teams for real-time monitoring notifications

monitoring
15 hours ago
"linux audit" × Clear all
networking Intermediate

Configure NTP server with chrony and security hardening for precise time synchronization

Set up a production-grade NTP server using chrony with client access controls, firewall rules, and security hardening. Learn to configure upstream time sources, implement monitoring, and troubleshoot common synchronization issues.

35 min 4 distros 247 views
security Intermediate

Configure Linux audit logging for security compliance and monitoring

Set up comprehensive audit logging with auditd daemon to track file system changes, process execution, and network connections for security compliance and forensic analysis.

35 min 4 distros 111 views
security Beginner

Configure Linux file encryption with LUKS and cryptsetup for data protection

Learn how to encrypt files and partitions using LUKS encryption with cryptsetup tools. This tutorial covers creating encrypted volumes, managing encryption keys, and automating mount operations for secure data protection.

45 min 6 distros 167 views
security Beginner

Configure Linux audit system with auditd for security compliance and file monitoring

Set up the Linux audit system with auditd to monitor file access, user activities, and system calls for security compliance. Learn to create audit rules, analyze logs, and track privilege escalations.

25 min 6 distros 273 views
security Intermediate

Configure AppArmor security profiles for web servers and databases with custom policy enforcement

Set up mandatory access control for Nginx, Apache, MySQL, and PostgreSQL using AppArmor security profiles. Learn to create custom policies, debug profile violations, and implement advanced enforcement for production web servers and databases.

45 min 6 distros 158 views

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