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
3,074

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

hosting
1,772

Install and configure Uvicorn ASGI server with systemd and reverse proxy for FastAPI applications

hosting
1,581

Install and configure Ollama for local AI models on Linux servers

devops
1,410

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

monitoring
1,286

Recently published

Configure custom SNMP MIBs for vendor-specific monitoring with SNMP v2c and v3

monitoring
2 hours ago

Implement NGINX Plus active health checks for enterprise environments

hosting
11 hours ago

Setup Prometheus Blackbox Exporter for endpoint monitoring with SSL and alerting

monitoring
16 hours ago

Configure Prometheus alerting with AlertManager notifications and webhook integration

monitoring
21 hours ago

Configure Elasticsearch cross-cluster replication for disaster recovery

databases
1 day ago
"database" × Clear all
linux Beginner

Configure Linux file and directory ownership with chown and security best practices

Learn to properly configure file and directory ownership using chown, understand user and group permissions, and implement secure ownership patterns for web servers and applications.

25 min 6 distros 317 views
linux Advanced

Configure Linux transparent huge pages and memory optimization for database workloads

Learn to configure transparent huge pages (THP) and optimize Linux memory management for database workloads. Covers THP disable/enable strategies, performance monitoring, and automation with systemd.

25 min 6 distros 280 views
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 398 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 314 views
linux Advanced

Configure Linux memory cgroups v2 with systemd for advanced process isolation and resource control

Set up cgroups v2 unified hierarchy with systemd to implement memory limits, isolation policies, and automated pressure responses for container workloads and system processes.

25 min 6 distros 605 views
linux Beginner

Configure Linux package management with apt, dnf and yum for system updates

Learn to manage Linux packages effectively with apt, dnf, and yum across Ubuntu, Debian, and RHEL-based distributions. Master installation, updates, repository management, and troubleshooting for reliable system maintenance.

25 min 6 distros 239 views
linux Beginner

Configure Linux system services with systemctl and service management

Learn to manage Linux system services with systemctl commands, enable services on boot, create custom service files, and troubleshoot service failures with journalctl for reliable system administration.

25 min 6 distros 234 views
linux Beginner

Configure shell aliases and functions for development productivity

Set up custom shell aliases and functions to streamline your development workflow, reduce typing, and boost terminal productivity with reusable commands and automation shortcuts.

20 min 4 distros 190 views
linux Intermediate

Implement Linux resource quotas with systemd and automated enforcement

Configure systemd resource control and cgroups v2 to implement CPU, memory, and I/O quotas with automated enforcement. Set up monitoring and alerts for resource violations across production workloads.

45 min 4 distros 401 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 234 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 199 views
linux Intermediate

Implement Linux memory cgroups for container workload isolation

Configure cgroups v2 memory subsystem to isolate container workloads with precise memory limits, monitoring, and automated enforcement for production environments.

45 min 4 distros 207 views

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