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

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

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

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

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Install and configure Ollama for local AI models on Linux servers

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

networking
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Implement Istio multi-cluster canary deployments and traffic splitting

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Implement HAProxy WAF integration with ModSecurity 3 for advanced threat protection

security
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Configure PostgreSQL 17 SSL encryption and certificate-based authentication

databases
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Set up HAProxy SSL termination with Let's Encrypt certificates

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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 865 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 1,510 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 1,199 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 1,102 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 1,910 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 840 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 839 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 997 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 770 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 1,078 views
monitoring Intermediate

Set up ELK stack alerting with Watcher and email notifications for monitoring and incident response

Configure Elasticsearch Watcher to monitor log data and automatically send email alerts when critical system events occur. Create sophisticated alert conditions, manage email notification templates, and set up automated incident response workflows.

45 min 4 distros 706 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 663 views

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