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
monitoringFix apt update E: Repository no longer has a Release file
linuxInstall and configure Caddy web server with automatic HTTPS and reverse proxy
hostingInstall and configure TimescaleDB with PostgreSQL for high-performance time-series data
databasesRecently published
Set up automated MariaDB Galera cluster backups with compression
databasesConfigure MariaDB ColumnStore for high-performance analytics workloads
databasesImplement Kibana 8 custom threat hunting dashboards for security incident response
monitoringConfigure Logstash 8 security pipelines with threat intelligence enrichment
monitoringConfigure Ansible Vault integration with HashiCorp Vault for secrets management
devopsConfigure MinIO backup and disaster recovery with automated snapshots and replication
Configure comprehensive backup and disaster recovery for MinIO object storage with automated snapshots, cross-site replication, and encryption. Implement production-ready backup strategies to protect critical data and ensure business continuity.
Configure Node.js application logging with Winston and log rotation for production
Set up Winston logger with structured JSON logging, multiple transports, and automated log rotation using winston-daily-rotate-file for production Node.js applications. Configure comprehensive error handling and log management best practices.
Setup remote backup storage with S3-compatible encryption and automated retention policies
Configure secure, encrypted backup storage using S3-compatible providers with automated retention policies, client-side GPG encryption, and monitoring scripts for reliable data protection.
Configure NTP server with chrony and security hardening for precise time synchronization
Set up a production-grade NTP server using chrony with client access controls, firewall rules, and security hardening. Learn to configure upstream time sources, implement monitoring, and troubleshoot common synchronization issues.
Set up Jaeger high availability clustering with load balancing and failover
Deploy a production-grade Jaeger distributed tracing cluster with Elasticsearch backend, load-balanced collectors, and automatic failover for enterprise-scale microservices monitoring.
Set up MySQL backup encryption and remote storage with rsync
Create automated MySQL backups with GPG encryption and secure remote storage using rsync and SSH keys. This tutorial covers database dumping, compression, encryption, and automated synchronization to remote servers.
Configure network monitoring with SNMP and Grafana dashboards for infrastructure visibility
Set up comprehensive network monitoring using SNMP with Prometheus and Grafana to monitor network devices, collect performance metrics, and create visual dashboards for infrastructure visibility.
Implement Nginx Redis cluster caching for high availability
Set up a Redis cluster with Nginx caching for high availability and improved performance. This configuration provides distributed caching with automatic failover and enhanced scalability for production web applications.
Configure NGINX load balancing with health checks and automatic failover
Set up NGINX as a load balancer with upstream servers, active health checks, and automatic failover capabilities. This tutorial covers round-robin, least-connections, and IP-hash load balancing methods with real-time backend monitoring.
Configure Linux audit logging for security compliance and monitoring
Set up comprehensive audit logging with auditd daemon to track file system changes, process execution, and network connections for security compliance and forensic analysis.
Configure network interface monitoring with ICMP ping and connectivity testing
Set up automated network connectivity monitoring using ICMP ping tests with email alerts for interface failures. Create comprehensive network health checks and reporting for production systems.
Configure Linux cron jobs and system task scheduling with best practices
Learn to configure cron jobs and systemd timers for automated task scheduling on Linux systems with proper logging, security, and troubleshooting techniques.
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