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.

databases Intermediate

Install and configure ScyllaDB cluster with replication and performance tuning

Set up a production-ready ScyllaDB cluster with multi-node configuration, automatic replication, and performance optimization. ScyllaDB provides 10x better performance than Cassandra with drop-in compatibility.

45 min 6 distros 1,148 views
networking Advanced

Configure OSPF dynamic routing with FRRouting for enterprise network failover

Set up Open Shortest Path First (OSPF) protocol using FRRouting for dynamic network routing, multi-area configurations, and automatic failover in enterprise environments.

45 min 6 distros 886 views
hosting Intermediate

Install and configure Jetty application server with SSL certificates and performance tuning

Deploy Eclipse Jetty application server with SSL/TLS encryption, systemd service management, and production-ready performance optimizations. Configure reverse proxy integration and security hardening for Java web applications.

45 min 6 distros 1,027 views
hosting Intermediate

Install and configure Cherokee web server with FastCGI and virtual hosts

Set up Cherokee web server with web-based administration, FastCGI support for PHP applications, SSL-enabled virtual hosts, and performance optimizations for lightweight web hosting environments.

45 min 6 distros 994 views
linux Intermediate

Configure Linux system time synchronization with chrony and NTP hardening

Set up reliable time synchronization with chrony NTP client, configure secure time servers, and implement monitoring to prevent time drift on production servers.

25 min 6 distros 2,069 views
databases Intermediate

Configure Apache Cassandra cluster with multi-node setup and performance optimization

Set up a production-ready Apache Cassandra cluster with multiple nodes, configure replication strategies, and optimize JVM settings and performance parameters for high-throughput distributed NoSQL workloads.

45 min 6 distros 904 views
performance Intermediate

Optimize Nginx caching performance with Redis backend and memory tuning for high-traffic websites

Supercharge your web application performance by integrating Redis as a caching backend for Nginx using lua-resty-redis. This tutorial covers Redis memory optimization, Nginx worker tuning, and comprehensive performance testing for production environments.

45 min 6 distros 1,017 views
databases Intermediate

Install and configure CockroachDB cluster with high availability and distributed SQL

Set up a production-ready CockroachDB cluster with SSL certificates, load balancing, and automated backups for distributed SQL workloads. This tutorial covers multi-node deployment, security hardening, and performance optimization for enterprise environments.

45 min 6 distros 1,315 views
hosting Intermediate

Install and configure Varnish Cache 7 with NGINX backend for high-performance web acceleration

Set up Varnish Cache 7 as a high-performance HTTP accelerator with NGINX backend integration. This tutorial covers installation, SSL termination, cache optimization, purging mechanisms, and monitoring for production environments.

45 min 6 distros 1,134 views
linux Intermediate

Configure Linux user session limits with systemd and pam_limits for resource management

Set up comprehensive user session resource limits using systemd and PAM to prevent resource exhaustion, fix 'too many open files' errors, and enforce memory, CPU, and process restrictions for better system stability.

25 min 6 distros 1,689 views
networking Intermediate

Configure network load balancing with keepalived and VRRP for high availability failover

Set up keepalived with VRRP to create highly available network services with automatic failover. Configure virtual IP addresses that move between servers when one fails, ensuring zero-downtime load balancing.

25 min 6 distros 2,205 views
security Intermediate

Configure ModSecurity 3 web application firewall with OWASP Core Rule Set for advanced threat protection

Set up ModSecurity 3 with OWASP Core Rule Set 4.0 to protect web applications from SQL injection, XSS, and other attacks. Configure integration with Nginx and Apache, implement custom rules, and optimize performance for production environments.

45 min 6 distros 3,267 views

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