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
9,996

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

monitoring
5,758

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

hosting
4,773

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

databases
4,206

Install and configure Ollama for local AI models on Linux servers

devops
4,133

Recently published

Implement Istio multi-cluster canary deployments and traffic splitting

devops
14 hours ago

Implement HAProxy WAF integration with ModSecurity 3 for advanced threat protection

security
2 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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hosting Beginner

Fix high load average with low CPU usage on web servers

Diagnose and resolve high load average issues when CPU usage remains low on Linux web servers. Learn to identify I/O bottlenecks, blocked processes, and system resource contention affecting performance.

25 min 6 distros 1,481 views
linux Beginner

Configure Linux kernel parameters with sysctl for system optimization

Learn to view, modify, and persist Linux kernel parameters using sysctl for system performance tuning. Configure network, memory, and security settings safely with temporary and permanent changes.

25 min 6 distros 1,166 views
hosting Beginner

Install and configure Go web applications with systemd and reverse proxy

Deploy Go web applications in production with systemd service management, NGINX reverse proxy with SSL termination, and comprehensive logging for monitoring and maintenance.

25 min 6 distros 1,074 views
hosting Beginner

Install and configure Bun JavaScript runtime with systemd and reverse proxy

Deploy Bun JavaScript runtime on Linux with automatic service management through systemd and secure SSL reverse proxy configuration with Nginx for production applications.

25 min 6 distros 827 views
linux Beginner

Configure Linux process monitoring with top, htop, and btop for system performance analysis

Master Linux process monitoring using top, htop, and btop to analyze system performance, identify resource bottlenecks, and troubleshoot performance issues in production environments.

25 min 6 distros 984 views
security Advanced

Set up Grafana Enterprise SSO authentication with LDAP, SAML, and OAuth2 integration

Configure Grafana Enterprise with comprehensive single sign-on authentication supporting LDAP, SAML, and OAuth2 providers. Set up role-based access control with automated team mapping and user provisioning for enterprise environments.

45 min 4 distros 1,067 views
security Intermediate

Implement container security monitoring with Falco runtime detection

Set up Falco for real-time container security monitoring with runtime threat detection, Kubernetes integration, and automated alerting through Grafana dashboards.

45 min 4 distros 744 views
hosting Intermediate

Configure Tomcat 11 database connection pooling with JNDI and HikariCP for high availability

Set up production-grade database connection pooling in Tomcat 11 using JNDI resources and HikariCP for optimal performance and high availability. Learn to configure server.xml, context.xml, and monitor connection pools effectively.

25 min 4 distros 787 views
security Advanced

Configure Keycloak OAuth2 integration with OpenResty for enterprise SSO

Set up enterprise single sign-on by integrating Keycloak OAuth2 authentication with OpenResty using lua-resty-openidc. Configure secure authentication flows, JWT token validation, and session management for production web applications.

45 min 4 distros 782 views
security Intermediate

Configure intrusion detection with OSSEC and Wazuh for real-time security monitoring

Set up comprehensive host-based intrusion detection with OSSEC HIDS and Wazuh manager for real-time security monitoring, file integrity checking, and automated threat response across your infrastructure.

45 min 4 distros 859 views
databases Intermediate

Configure MongoDB 8.0 replica set with automatic failover for high availability

Set up a MongoDB 8.0 replica set with multiple nodes and automatic failover to ensure high availability and data redundancy. This configuration provides seamless database operations even when primary nodes fail.

45 min 4 distros 611 views
monitoring Intermediate

Monitor Django applications with Prometheus and Grafana for comprehensive performance insights

Set up comprehensive Django application monitoring using Prometheus metrics collection and Grafana dashboards. Configure django-prometheus middleware to track request metrics, database queries, and application performance with real-time alerting.

45 min 4 distros 830 views

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