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 CockroachDB cluster with high availability and distributed SQL
databasesConfigure network interface monitoring with ICMP ping and connectivity testing
networkingInstall and configure PostgreSQL 17 with performance tuning and security hardening
databasesConfigure Linux system time synchronization with chrony and NTP hardening
linuxInstall and configure ArgoCD for GitOps continuous deployment with RBAC and SSL
devopsRecently published
Optimize NGINX performance for high-traffic websites with advanced configuration and tuning
performanceImplement Ansible AWX Tower for enterprise automation workflows with RBAC and inventory management
devopsConfigure ClickHouse materialized views for real-time analytics with performance optimization
databasesConfigure Ansible Vault for secret management and encryption with playbook automation
devopsIntegrate Jaeger with Kubernetes and Istio service mesh for distributed tracing
devopsInstall and configure NGINX with HTTP/3 and modern security headers
Set up NGINX with HTTP/3 and QUIC support for faster web performance. Configure SSL certificates, implement modern security headers like CSP and HSTS, and optimize for production workloads.
Install and configure Traefik reverse proxy with SSL automation
Set up Traefik as a reverse proxy with Docker Compose for automatic SSL certificate management, service discovery, and load balancing across multiple backend services.
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