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
10,056

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

monitoring
5,799

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

hosting
4,827

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

databases
4,273

Install and configure Ollama for local AI models on Linux servers

devops
4,187

Recently published

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

networking
1 day ago

Implement Istio multi-cluster canary deployments and traffic splitting

devops
3 days ago

Implement HAProxy WAF integration with ModSecurity 3 for advanced threat protection

security
5 days ago

Configure PostgreSQL 17 SSL encryption and certificate-based authentication

databases
2 weeks ago

Set up HAProxy SSL termination with Let's Encrypt certificates

networking
2 weeks ago
"authentication" × Clear all
security Intermediate

Configure SonarQube LDAP authentication with Active Directory and user group management

Set up SonarQube to authenticate users against Active Directory using LDAP. Configure automatic user provisioning, group synchronization, and role-based access control for enterprise environments with centralized authentication.

25 min 4 distros 893 views
security Advanced

Implement HAProxy WAF integration with ModSecurity 3 for advanced threat protection

Configure HAProxy with ModSecurity 3 using SPOE protocol to create a high-performance web application firewall that protects against OWASP Top 10 threats while maintaining load balancing capabilities.

45 min 4 distros 1,504 views
monitoring Advanced

Integrate Zabbix 7 with network automation and orchestration tools using Ansible and Python APIs

Build comprehensive network automation workflows by integrating Zabbix 7 monitoring with Ansible playbooks and custom Python scripts. This tutorial covers API authentication, automated host provisioning, and dynamic monitoring configuration for enterprise infrastructure management.

45 min 4 distros 808 views
networking Advanced

Set up iptables high availability clustering with keepalived for automatic failover

Configure a highly available firewall cluster using iptables and keepalived with VRRP for automatic failover. Set up rule synchronization between nodes and implement monitoring for production-grade firewall redundancy.

45 min 4 distros 877 views
security Intermediate

Set up centralized logging with rsyslog and logrotate for security events

Configure a centralized rsyslog server to collect security events from multiple systems, implement automated log rotation with logrotate, and set up filtering and alerting for critical security incidents across your infrastructure.

45 min 4 distros 995 views
security Intermediate

Configure Node.js JWT authentication with Redis session storage and security hardening

Set up secure JWT authentication for Node.js applications with Redis session storage, security middleware, and production-ready hardening practices.

45 min 4 distros 717 views
databases Advanced

Set up Elasticsearch 8 cross-cluster replication for disaster recovery and high availability

Configure Elasticsearch 8 cross-cluster replication (CCR) to replicate indices across multiple clusters for disaster recovery. This tutorial covers security setup, remote cluster connections, replication policies, and automated failover procedures.

45 min 4 distros 851 views
devops Intermediate

Configure SonarQube quality gates and automated project analysis with multi-language support

Set up custom SonarQube quality gates with automated project analysis for multiple programming languages. Configure SonarScanner integration, webhook notifications, and CI/CD pipeline automation for continuous code quality monitoring.

45 min 4 distros 1,066 views
devops Intermediate

Integrate Redis 7 with microservices architecture for caching and session management

Set up Redis 7 as a centralized caching layer and session store for microservices, with service discovery integration and clustering for high availability. Configure distributed session management patterns and implement Redis clustering for horizontal scalability.

45 min 4 distros 876 views
monitoring Advanced

Set up keepalived cluster monitoring with Prometheus alerts and Grafana dashboards

Configure comprehensive monitoring for keepalived VRRP clusters using Prometheus metrics collection, alerting rules for failover events, and Grafana dashboards for high availability visualization.

45 min 4 distros 853 views
security Intermediate

Configure SonarQube LDAP authentication and user management with Active Directory integration

Set up enterprise user authentication for SonarQube using LDAP and Active Directory. Configure group mapping, role-based access control, and automated user provisioning for centralized identity management.

45 min 4 distros 922 views
databases Advanced

Optimize CockroachDB 24.3 performance with advanced tuning and configuration

Master advanced CockroachDB 24.3 performance optimization through memory, CPU, storage, and query tuning. Configure cluster parameters, connection pooling, and indexing strategies for production-grade distributed SQL workloads.

45 min 4 distros 1,034 views

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