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
10,131

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

monitoring
5,906

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

hosting
4,930

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

databases
4,408

Install and configure Ollama for local AI models on Linux servers

devops
4,299

Recently published

Configure Kubernetes network monitoring with Hubble and Cilium for traffic visibility

monitoring
5 days ago

Configure HAProxy with Consul for dynamic service discovery and automatic backend updates

networking
1 week ago

Implement Istio multi-cluster canary deployments and traffic splitting

devops
1 week ago

Implement HAProxy WAF integration with ModSecurity 3 for advanced threat protection

security
1 week ago

Configure PostgreSQL 17 SSL encryption and certificate-based authentication

databases
3 weeks ago
"troubleshooting" × Clear all
security Intermediate

Configure Kubernetes network policies for enhanced cluster security

Implement granular network security controls in Kubernetes using Calico CNI. Learn to create ingress and egress policies, namespace isolation, and label-based microsegmentation for production clusters.

35 min 4 distros 603 views
monitoring Intermediate

Install and configure Filebeat 8.15 for efficient log shipping to ELK stack

Set up Filebeat 8.15 to collect and ship logs from multiple sources to Elasticsearch. Configure SSL/TLS security, performance optimization, and monitoring for production-grade log aggregation.

45 min 4 distros 722 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 2,082 views
linux Intermediate

Configure network-attached storage backup with NFS and encryption

Set up an encrypted NFS backup server with automated backup scripts and performance monitoring. Configure LUKS encryption, NFS exports, and centralized backup management for secure enterprise storage.

45 min 4 distros 740 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 584 views
linux Intermediate

Configure systemd user services for application startup

Learn how to configure systemd user services to automatically start applications without root privileges. This guide covers creating service units, managing lifecycle, and troubleshooting user services for reliable application startup.

25 min 4 distros 1,075 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 892 views
monitoring Intermediate

Monitor ScyllaDB cluster with Prometheus and Grafana for comprehensive performance tracking

Set up complete ScyllaDB cluster monitoring using Prometheus for metrics collection and Grafana for visualization. Configure alerting rules for proactive performance monitoring and issue detection.

45 min 4 distros 749 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 630 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 790 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 1,098 views
linux Intermediate

Setup log aggregation with rsyslog and logrotate for centralized system monitoring

Configure rsyslog for centralized log collection across servers, implement advanced logrotate policies for automated retention, and set up remote log shipping with filtering for comprehensive system monitoring and audit compliance.

45 min 4 distros 926 views

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