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 CockroachDB cluster with high availability and distributed SQL

databases
502

Install and configure ArgoCD for GitOps continuous deployment with RBAC and SSL

devops
465

Configure network interface monitoring with ICMP ping and connectivity testing

networking
457

Install and configure PostgreSQL 17 with performance tuning and security hardening

databases
453

Install and configure Loki for centralized log aggregation with Grafana integration

monitoring
453

Recently published

Monitor Elasticsearch cluster with Prometheus and Grafana dashboards

monitoring
20 minutes ago

Implement Redis backup automation with RDB and AOF persistence

databases
22 minutes ago

Set up keepalived cluster monitoring with Prometheus alerts and Grafana dashboards

monitoring
25 minutes ago

Implement Prometheus federation for multi-cluster monitoring with centralized metrics aggregation

monitoring
27 minutes ago

Configure SonarQube LDAP authentication and user management with Active Directory integration

security
5 hours ago
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networking Beginner

Set up network interface monitoring with SNMP and basic traffic analysis

Learn how to install and configure SNMP daemon for network interface monitoring, implement basic traffic analysis with automated alerting, and create monitoring scripts with cron jobs for continuous network performance tracking.

25 min 6 distros 360 views
monitoring Beginner

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

Learn how to install Uptime Kuma, a self-hosted monitoring tool, with SSL certificates, email notifications, and comprehensive website monitoring capabilities. Set up automated alerts and maintain reliable uptime tracking for your web services.

25 min 6 distros 340 views
databases Beginner

Install and configure MongoDB 8.0 with authentication and SSL encryption

Set up MongoDB 8.0 from official repositories with authentication enabled and SSL/TLS encryption. Configure admin users, implement security hardening, and establish monitoring for production deployments.

25 min 6 distros 244 views
databases Beginner

Install and configure MariaDB 11.6 with performance optimization and security hardening

Set up MariaDB 11.6 as a high-performance MySQL alternative with InnoDB optimization, SSL encryption, automated backups, and comprehensive security hardening for production environments.

45 min 6 distros 209 views
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 203 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 251 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 349 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 353 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 255 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 502 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 240 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 266 views

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