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 Uptime Kuma for website monitoring with SSL and email alerts
monitoringInstall and configure Caddy web server with automatic HTTPS and reverse proxy
hostingInstall and configure TimescaleDB with PostgreSQL for high-performance time-series data
databasesInstall and configure Ollama for local AI models on Linux servers
devopsRecently published
Configure PostgreSQL 17 SSL encryption and certificate-based authentication
databasesSet up HAProxy SSL termination with Let's Encrypt certificates
networkingConfigure HAProxy with Consul for dynamic service discovery
networkingConfigure PostgreSQL 17 connection pooling with PgBouncer for high availability
databasesConfigure Kubernetes secrets management with External Secrets Operator and HashiCorp Vault
devopsConfigure InfluxDB 2.7 clustering for high availability with data replication and automated failover
Set up a production-ready InfluxDB Enterprise cluster with automatic data replication, failover mechanisms, and comprehensive monitoring using Grafana dashboards for time-series workloads.
Optimize Varnish 7 cache storage with memory tuning and persistence configuration
Configure Varnish 7 memory allocation and storage backends for optimal cache performance. Set up file-based persistence and tune memory parameters for high-traffic workloads with monitoring.
Set up NGINX rate limiting and security headers for DDoS protection
Configure NGINX with comprehensive rate limiting zones, security headers, and DDoS protection rules to secure your web applications against malicious traffic and automated attacks.
Configure Elasticsearch Index Lifecycle Management (ILM) for automated data retention
Set up Elasticsearch ILM policies to automatically manage index lifecycles through hot, warm, cold, and delete phases. Reduce storage costs and optimize performance by automating data retention and storage tiering.
Set up Prometheus and Grafana monitoring stack with Docker Compose
Deploy a complete Prometheus and Grafana monitoring solution using Docker Compose with persistent storage, custom dashboards, and Alertmanager integration for production-ready observability.
Set up Telegraf custom plugins for application monitoring with Prometheus and InfluxDB integration
Learn to build custom Telegraf input plugins for application metrics collection, configure dual output to Prometheus and InfluxDB backends, and create comprehensive monitoring dashboards with Grafana for production observability.
Set up Kubernetes monitoring with Prometheus Operator and custom metrics
Deploy a production-grade monitoring stack with Prometheus Operator, configure ServiceMonitor resources for automatic scraping, and create custom alerting rules with Grafana dashboards for comprehensive Kubernetes cluster observability.
Implement Istio observability with Jaeger tracing and Kiali dashboard for Kubernetes service mesh
Configure comprehensive observability for your Kubernetes service mesh with Jaeger distributed tracing, Kiali visualization, and Prometheus metrics integration. Get complete visibility into microservice communication patterns, performance bottlenecks, and service dependencies.
Set up audit log analysis dashboard with Grafana and Prometheus for security monitoring
Build a comprehensive security monitoring dashboard that collects Linux audit logs through auditd, exports metrics to Prometheus, and visualizes security events in Grafana with automated alerting for suspicious activities.
Implement backup rotation policies with automated cleanup using systemd timers and shell scripts
Set up automated backup rotation with systemd timers to manage storage space, implement retention policies for different backup types, and create monitoring alerts for backup health and cleanup processes.
Set up Kubernetes persistent volume snapshots and backup automation
Configure CSI snapshot controllers, create persistent volume snapshots, and implement automated backup strategies with Velero for production Kubernetes environments.
Implement ClickHouse backup automation with compression and S3 integration
Set up automated ClickHouse backups with compression, S3 storage, and systemd timers. Includes monitoring, encryption, and recovery procedures for production environments.
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