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
10,008

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

monitoring
5,778

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

hosting
4,787

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

databases
4,235

Install and configure Ollama for local AI models on Linux servers

devops
4,155

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Implement Istio multi-cluster canary deployments and traffic splitting

devops
1 day ago

Implement HAProxy WAF integration with ModSecurity 3 for advanced threat protection

security
3 days ago

Configure PostgreSQL 17 SSL encryption and certificate-based authentication

databases
1 week ago

Set up HAProxy SSL termination with Let's Encrypt certificates

networking
2 weeks ago

Configure HAProxy with Consul for dynamic service discovery

networking
2 weeks ago
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linux Intermediate

Configure Linux disk usage monitoring and automated cleanup with systemd timers

Set up automated disk monitoring, log cleanup, and email alerts using systemd timers to prevent disk space issues. Configure log rotation, temporary file cleanup, and threshold-based alerting for production systems.

25 min 6 distros 1,578 views
performance Intermediate

Configure Linux memory management and swap optimization for high-performance workloads

Optimize Linux memory subsystem performance through advanced swap configuration, virtual memory tuning, and memory compression techniques. Learn to configure transparent huge pages, zram, and application-specific memory settings for high-performance workloads.

25 min 6 distros 1,960 views
linux Intermediate

Configure automatic security updates with unattended-upgrades and email notifications

Set up automated security patching on Linux servers with unattended-upgrades and dnf-automatic. Configure email notifications, update policies, and monitoring to keep your systems secure while maintaining control over critical services.

25 min 6 distros 1,773 views
monitoring Intermediate

Configure Grafana dashboards for InfluxDB collectd metrics with advanced visualization and alerting

Build comprehensive Grafana dashboards to visualize collectd system metrics stored in InfluxDB with custom panels, advanced queries, and automated alerting rules for production monitoring.

45 min 4 distros 1,042 views
security Intermediate

Configure NGINX rate limiting and DDoS protection with advanced security rules

Learn to configure production-grade NGINX rate limiting and DDoS protection with multiple security zones, advanced rules, and real-time monitoring to protect your web applications from malicious traffic and resource exhaustion attacks.

45 min 4 distros 1,174 views
devops Intermediate

Install and configure Cilium CNI for Kubernetes with eBPF networking and security policies

Set up Cilium as your Kubernetes CNI plugin with advanced eBPF networking, load balancing, and network security policies. Includes Hubble observability for complete network visibility.

25 min 6 distros 1,669 views
devops Intermediate

Install and configure GitLab CE with CI/CD runners and backup automation

Set up a complete self-hosted GitLab CE instance with SSL encryption, Docker-based CI/CD runners, automated backup system, and security hardening for production workloads.

45 min 6 distros 1,456 views
devops Intermediate

Install and configure Ansible with automation best practices and security

Learn to install Ansible on Linux, configure secure SSH authentication, create production-ready playbooks with Vault encryption, and implement roles for scalable infrastructure automation.

45 min 6 distros 1,301 views
security Intermediate

Install and configure Fail2ban with advanced rules and email alerts

Set up Fail2ban intrusion prevention system with custom SSH, web server, and application protection rules. Configure email notifications and advanced filtering to automatically block malicious IP addresses based on log patterns.

45 min 6 distros 1,532 views

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