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
databasesSet up Grafana Enterprise high availability clustering with PostgreSQL backend and load balancing
Build a production-ready Grafana Enterprise cluster with PostgreSQL shared storage, HAProxy load balancing, and SSL encryption. Includes automated failover, session persistence, and comprehensive monitoring for enterprise observability platforms.
Configure SonarQube quality gates and custom rules for automated code quality enforcement
Set up SonarQube quality gates with custom conditions, create language-specific rules, and integrate automated quality enforcement into CI/CD pipelines for continuous code quality monitoring.
Configure advanced iptables firewall rules with logging, port knocking, and DDoS protection
Build a production-grade iptables firewall with connection tracking, rate limiting, and port knocking. Includes automated DDoS protection, detailed logging, and security hardening for enterprise environments.
Configure Grafana LDAP authentication and role-based access control with Active Directory integration
Set up Grafana with LDAP authentication to connect with Active Directory, configure role-based access control for teams, and implement production-ready security policies for enterprise environments.
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.
Deploy Consul Template for dynamic configuration management with systemd integration
Set up Consul Template to automatically generate configuration files from Consul key-value pairs and service discovery data. This tutorial covers installation, template creation, systemd service configuration, and monitoring setup for production environments.
Secure Grafana with OAuth authentication and RBAC integration
Configure Grafana with OAuth SSO authentication, implement role-based access control (RBAC), and harden security with SSL certificates for enterprise-grade monitoring dashboard access.
Set up Prometheus Alertmanager webhook notifications for Loki log alerts with Grafana integration
Configure Prometheus Alertmanager to send webhook notifications for Loki log-based alerts with proper routing, templating, and Grafana dashboard integration for comprehensive monitoring.
Configure NGINX log analysis with Loki and Grafana for centralized monitoring
Set up Loki log aggregation with Promtail agent to collect NGINX logs and create Grafana dashboards for comprehensive web server monitoring and analysis.
Integrate HashiCorp Vault with Kubernetes secrets management for secure container orchestration
Configure HashiCorp Vault integration with Kubernetes using the Vault CSI driver and Secrets Operator for automated secret injection and synchronization. This setup enables secure secret management for containerized applications with dynamic secret rotation and policy-based access controls.
Set up NGINX log analysis and monitoring with Prometheus and Grafana dashboards
Configure comprehensive NGINX monitoring with Prometheus exporters, structured log parsing, and real-time Grafana dashboards for web server observability and performance analysis.
Configure Prometheus Alertmanager for email and Slack notifications with webhook integration
Set up Prometheus Alertmanager to send critical alerts via email and Slack channels with custom webhook integration. This tutorial covers installation, SMTP configuration, routing rules, and alert notification testing.
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