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
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Security
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Performance
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Databases
MySQL, PostgreSQL, Redis, backups, replication
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DNS, load balancing, VPN, TCP/IP, routing
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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 Ollama for local AI models on Linux servers
devopsInstall and configure TimescaleDB with PostgreSQL for high-performance time-series data
databasesRecently published
Set 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
devopsIntegrate Jaeger with Istio service mesh for distributed tracing
devopsConfigure system backup automation with BorgBackup and systemd timers
Set up automated, deduplicated backups with BorgBackup and systemd timers for reliable system protection. This tutorial covers installation, repository setup with encryption, automated scheduling, and monitoring for production environments.
Advanced Nomad job templates and deployment strategies with rolling updates and canary deployments
Master production-grade Nomad job templates with HCL syntax, implement rolling updates with health checks, and deploy advanced blue-green and canary deployment patterns for resilient containerized workloads.
Configure Linux system performance monitoring with sar and sysstat for real-time metrics collection
Set up comprehensive system performance monitoring using sar and sysstat to collect CPU, memory, disk I/O, and network metrics with automated reporting and custom alerting for production Linux servers.
Configure Deno application clustering with load balancing for high availability
Set up Deno application clustering with worker threads and HAProxy load balancing for production-grade high availability deployments. Configure health checks, monitoring, and automatic failover mechanisms.
Set up network monitoring with Nagios Core 4.5 and SNMP for infrastructure alerting
Configure Nagios Core 4.5 with SNMP monitoring to track network devices, servers, and services with automated alerting. Set up custom monitoring templates, notification systems, and dashboards for comprehensive infrastructure visibility.
Configure SSL encryption and authentication for ClamAV cluster with high availability scanning
Set up a secure ClamAV cluster with SSL/TLS encryption, certificate-based authentication, and load balancing for enterprise-grade antivirus scanning. This tutorial covers SSL certificate generation, encrypted inter-node communication, and HAProxy SSL termination.
Implement Deno WebSocket real-time applications with clustering and production deployment
Build production-ready real-time WebSocket applications with Deno, implementing clustering for high availability, SSL termination, and comprehensive monitoring for scalable messaging systems.
Integrate Consul with Kubernetes service discovery and automatic configuration
Set up Consul for dynamic service discovery in Kubernetes clusters with automatic service registration, health checks, and configuration management for microservices orchestration.
Setup Kubernetes Ingress NGINX with cert-manager for automated SSL certificates
Learn to deploy NGINX Ingress Controller with cert-manager for automatic SSL certificate provisioning and renewal using Let's Encrypt in production Kubernetes clusters.
Set up distributed tracing for Node.js and Python microservices with OpenTelemetry and Jaeger
Configure end-to-end distributed tracing across Node.js and Python microservices using OpenTelemetry instrumentation and Jaeger backend with Elasticsearch for centralized trace collection and analysis.
Set up Jaeger multi-datacenter replication for disaster recovery and high availability
Configure Jaeger distributed tracing with multi-datacenter replication for high availability and disaster recovery. Learn to set up primary and secondary datacenters with automated failover and cross-region data synchronization.
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.
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