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 Ollama for local AI models on Linux servers
devopsInstall and configure Uvicorn ASGI server with systemd and reverse proxy for FastAPI applications
hostingInstall and configure Uptime Kuma for website monitoring with SSL and email alerts
monitoringRecently published
Optimize Elasticsearch 8 search performance with custom analyzers and field mappings
databasesConfigure CockroachDB SSL encryption and security hardening
securityConfigure MySQL backup monitoring with Prometheus alerts and Grafana dashboards
monitoringSet up MySQL point-in-time recovery with binary logs for database backup and restore
databasesConfigure FastAPI rate limiting and security middleware with Redis and authentication
securityConfigure CockroachDB SSL encryption and security hardening
Set up SSL/TLS encryption, authentication, and advanced security policies for CockroachDB 24.3 in production environments with certificate management and cluster monitoring.
Configure MySQL backup monitoring with Prometheus alerts and Grafana dashboards
Set up automated monitoring for MySQL backups with Prometheus metrics collection, alerting rules for backup failures, and comprehensive Grafana dashboards for backup status visualization.
Set up MySQL point-in-time recovery with binary logs for database backup and restore
Configure MySQL binary logging and implement automated point-in-time recovery procedures for comprehensive database backup and restore operations with monitoring.
Configure FastAPI rate limiting and security middleware with Redis and authentication
Set up production-ready FastAPI applications with Redis-backed rate limiting, security middleware, and JWT authentication to protect against abuse and secure your API endpoints.
Setup FastAPI email verification and password reset functionality with Redis and PostgreSQL
Build secure user authentication with email verification and password reset features in FastAPI using Redis for session management and PostgreSQL for user storage.
Configure Prometheus Alertmanager with custom webhook integrations for Slack, Microsoft Teams, and PagerDuty notifications
Set up Prometheus Alertmanager with webhook receivers for Slack, Microsoft Teams, and PagerDuty notifications. Configure routing rules, test notifications, and implement alert escalation workflows for comprehensive monitoring coverage.
Configure Kubernetes secrets management with Vault integration for secure container orchestration
Set up HashiCorp Vault Agent Injector to automatically inject secrets into Kubernetes pods without storing sensitive data in container images or configuration files. This production-grade approach replaces hardcoded secrets with dynamic, secure credential management.
Set up CockroachDB backup and disaster recovery automation with systemd timers and monitoring
Configure automated backup strategies for CockroachDB with systemd timers, implement comprehensive disaster recovery procedures, and set up monitoring with Prometheus and Grafana for production-grade database infrastructure.
Configure Kubernetes RBAC with service accounts and role bindings for secure cluster access control
Set up role-based access control in Kubernetes using service accounts, roles, and role bindings to implement least-privilege security principles and granular permission management for applications and users.
Configure Prometheus Alertmanager with Slack integration for team notifications
Set up Prometheus Alertmanager to route alerts to Slack channels with custom notification rules. Configure alerting rules, webhook integration, and team-based routing for production monitoring workflows.
Setup Tomcat SSL certificates with Let's Encrypt automation
Configure Apache Tomcat 11 with automated SSL certificate management using Let's Encrypt and Certbot. Set up HTTPS connector, Java keystore integration, and automatic certificate renewal for production environments.
Implement Node.js application monitoring with Prometheus metrics collection and Grafana dashboards
Set up comprehensive Node.js application monitoring with Prometheus metrics collection, custom performance tracking, and Grafana dashboards for real-time observability and alerting.
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