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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Linux
System administration, shell scripting, package management
Hosting & Servers
Web servers, reverse proxies, SSL, domains
Security
Firewalls, hardening, encryption, access control
Performance
Caching, optimization, profiling, load testing
Databases
MySQL, PostgreSQL, Redis, backups, replication
Networking
DNS, load balancing, VPN, TCP/IP, routing
DevOps
CI/CD, Docker, Kubernetes, automation
Monitoring
Logging, alerting, metrics, observability
Most viewed
Install and configure Deno for web development with systemd and reverse proxy
hostingInstall and configure Caddy web server with automatic HTTPS and reverse proxy
hostingInstall and configure Uvicorn ASGI server with systemd and reverse proxy for FastAPI applications
hostingInstall and configure Ollama for local AI models on Linux servers
devopsInstall and configure Uptime Kuma for website monitoring with SSL and email alerts
monitoringRecently published
Configure custom SNMP MIBs for vendor-specific monitoring with SNMP v2c and v3
monitoringImplement NGINX Plus active health checks for enterprise environments
hostingSetup Prometheus Blackbox Exporter for endpoint monitoring with SSL and alerting
monitoringConfigure Prometheus alerting with AlertManager notifications and webhook integration
monitoringConfigure Elasticsearch cross-cluster replication for disaster recovery
databasesConfigure Zabbix 7 API automation with Python scripts for monitoring and alerting
Automate Zabbix 7 monitoring tasks with Python scripts using the API. Set up host discovery, template assignment, custom monitoring scripts, and alerting automation for streamlined infrastructure management.
Deploy applications to Kubernetes with Helm charts and production best practices
Learn how to create production-ready Helm charts for Kubernetes deployments with proper templating, values management, security configurations, and environment-specific customizations for scalable application orchestration.
Configure Loki with S3 storage backend for scalable centralized logging
Set up Grafana Loki with S3-compatible object storage for scalable log aggregation. Configure retention policies, schema management, and monitoring for production-ready centralized logging infrastructure.
Implement Kafka Streams processing applications with Java and Scala for real-time data analytics
Build production-ready Kafka Streams applications using Java and Scala for real-time data processing, including stateless transformations, stateful aggregations, windowing, and stream joins with exactly-once semantics.
Integrate MinIO with Kubernetes for persistent storage and object data management
Deploy MinIO on Kubernetes using the operator for scalable object storage. Configure persistent volumes, high availability tenants, and secure ingress with SSL certificates.
Setup Grafana alerting with Slack and Microsoft Teams integration
Configure Grafana's unified alerting system to send notifications to Slack and Microsoft Teams. Set up alert rules, notification policies, and webhook integrations for comprehensive monitoring coverage.
Set up SSH bastion host with jump server configuration for secure network access
Configure an SSH bastion host to secure access to private networks, implementing jump server functionality with key-based authentication and access controls for enhanced security.
Install and configure uWSGI application server with Nginx reverse proxy for Python web applications
Set up a production-ready Python web application stack with uWSGI as the WSGI server and Nginx as a reverse proxy. Includes SSL certificate setup, systemd service configuration, and troubleshooting guide for Django and Flask deployments.
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.
Implement container security monitoring with Falco runtime detection
Set up Falco for real-time container security monitoring with runtime threat detection, Kubernetes integration, and automated alerting through Grafana dashboards.
Configure Keycloak OAuth2 integration with OpenResty for enterprise SSO
Set up enterprise single sign-on by integrating Keycloak OAuth2 authentication with OpenResty using lua-resty-openidc. Configure secure authentication flows, JWT token validation, and session management for production web applications.
Configure intrusion detection with OSSEC and Wazuh for real-time security monitoring
Set up comprehensive host-based intrusion detection with OSSEC HIDS and Wazuh manager for real-time security monitoring, file integrity checking, and automated threat response across your infrastructure.
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