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
Setup Node.js error tracking with Sentry for production monitoring and debugging
monitoringImplement Node.js application monitoring with Prometheus metrics and Grafana dashboards
monitoringImplement OSPF multi-area design with FRRouting and advanced routing policies
networkingConfigure Istio security policies with external authorization services integration
securityImplement Docker network security with custom bridge networks and container isolation
securityConfigure Vault auto-unseal with AWS KMS for high availability secrets management
Set up HashiCorp Vault with AWS KMS auto-unseal to eliminate manual unsealing processes and enable high availability deployments with automatic recovery.
Configure Redis 7 Lua scripting and modules for advanced data processing
Enable and optimize Redis 7 Lua scripting capabilities, install custom modules, and implement advanced data processing scripts with performance monitoring for high-throughput applications.
Configure MongoDB 8.0 backup automation with systemd timers and compression
Set up automated MongoDB 8.0 backups with systemd timers, compression, and retention policies. Includes monitoring and alerting for backup failures across Ubuntu, Debian, AlmaLinux, and Rocky Linux systems.
Set up automated network topology discovery with SNMP and LLDP for infrastructure mapping
Build an automated network discovery system that uses SNMP and LLDP protocols to map your infrastructure topology, detect device relationships, and create visual network diagrams with real-time monitoring integration.
Configure Netdata alerts with Slack and Microsoft Teams for real-time monitoring notifications
Set up comprehensive Netdata alerting with Slack and Microsoft Teams integration. Configure custom alert thresholds, webhook notifications, and automated monitoring responses for real-time system health alerts.
Set up MinIO gateway for multi-cloud storage federation with AWS S3 and Azure integration
Learn to deploy MinIO as a unified storage gateway that seamlessly federates multiple cloud storage backends including AWS S3 and Azure Blob Storage. This advanced configuration provides intelligent failover, cost optimization, and vendor-neutral object storage management.
Configure Thanos Ruler for distributed alerting across multiple Prometheus clusters
Set up Thanos Ruler to create a unified alerting layer across distributed Prometheus instances. This tutorial covers installation, global rule configuration, and cross-cluster alert federation for enterprise monitoring.
Configure ClickHouse users and RBAC for production environments with authentication and access control
Secure your ClickHouse deployment with proper user authentication, role-based access control, and production-grade security policies. Learn to create users, manage roles, implement quota systems, and monitor access patterns for enterprise environments.
Implement automated ClickHouse backups with S3 storage and monitoring
Set up automated backup solutions for ClickHouse databases with S3 storage, retention policies, and monitoring alerts. This tutorial covers backup tool installation, S3 configuration, scheduling with systemd timers, and health monitoring.
Backup and restore Redis Sentinel cluster data with automated strategies and monitoring
Learn to implement production-grade backup and restore procedures for Redis Sentinel clusters with automated scheduling, point-in-time recovery, and comprehensive monitoring to ensure data durability and business continuity.
Implement SNMP device auto-discovery with network scanning and automated inventory management
Set up automated SNMP device discovery using nmap network scanning and Python scripts for dynamic inventory management. Integrate with Zabbix and Grafana for comprehensive network monitoring and visualization.
Optimize MariaDB 11.6 performance with query analysis and indexing for high-traffic applications
Learn advanced MariaDB performance optimization techniques including query profiling, slow query analysis, and strategic indexing for high-traffic applications. This tutorial covers query execution plan analysis, covering indexes, and automated monitoring setup.
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