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
devopsMonitor Kubernetes cluster with Prometheus Operator for comprehensive observability
Set up complete cluster monitoring using Prometheus Operator with automated metrics collection, custom dashboards, and intelligent alerting for production Kubernetes environments.
Configure Fluentd with Kubernetes DaemonSet and log routing for centralized collection
Deploy Fluentd as a DaemonSet on Kubernetes for centralized log collection with multi-format parsing, routing to multiple outputs, and RBAC security. Includes configuration for Elasticsearch, S3, and custom log sources.
Set up centralized logging with rsyslog and logrotate for security events
Configure a centralized rsyslog server to collect security events from multiple systems, implement automated log rotation with logrotate, and set up filtering and alerting for critical security incidents across your infrastructure.
Setup Elasticsearch monitoring with Metricbeat and Kibana dashboards
Monitor your Elasticsearch cluster performance with Metricbeat for comprehensive metrics collection and visualization through pre-built Kibana dashboards. This tutorial covers installation, configuration, and automated alerting.
Set up log alerting with Fluentd and Prometheus Alertmanager for centralized monitoring
Configure Fluentd to collect and parse logs, integrate with Prometheus metrics collection, and set up Alertmanager for intelligent routing of log-based alerts to multiple notification channels.
Configure Linux system logging with rsyslog and journald for centralized log management
Set up comprehensive Linux logging infrastructure using rsyslog for traditional syslog handling and journald for systemd service logs. Configure remote logging, log rotation, filtering rules, and troubleshoot common logging performance issues.
Implement Cilium Tetragon runtime security for Kubernetes with eBPF monitoring and threat detection
Deploy Cilium Tetragon for advanced runtime security monitoring in Kubernetes clusters using eBPF technology. Configure security policies, threat detection rules, and real-time monitoring with Grafana dashboards for comprehensive container protection.
Install and configure Jaeger for distributed tracing with Elasticsearch backend
Set up Jaeger distributed tracing system with Elasticsearch storage backend for microservices monitoring. Configure collector, query service, and UI with SSL security and performance optimization.
Install and configure Fluentd for centralized log collection with multi-format parsing
Set up Fluentd with td-agent for enterprise-grade log collection, custom parsers, and multi-destination routing. Configure SSL, performance optimization, and security hardening for production environments.
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