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.

linux Beginner

Configure Linux text editors with vim and nano for system administration

Learn to configure vim and nano text editors for efficient Linux system administration. Master keyboard shortcuts, create custom .vimrc configurations, and choose the right editor for different tasks.

25 min 6 distros 469 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 805 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 566 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 543 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 449 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 458 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 535 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 409 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 530 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 324 views
devops Advanced

Integrate Jaeger with Kubernetes service mesh for comprehensive distributed tracing

Set up production-grade distributed tracing in Kubernetes using Jaeger with Istio service mesh integration. Configure OpenTelemetry instrumentation, Elasticsearch storage backend, and comprehensive observability for microservices.

45 min 4 distros 362 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 767 views

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