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
databasesInstall and configure ArgoCD for GitOps continuous deployment with RBAC and SSL
devopsInstall and configure PostgreSQL 17 with performance tuning and security hardening
databasesInstall and configure WireGuard VPN server with client management
networkingInstall and configure Loki for centralized log aggregation with Grafana integration
monitoringRecently published
Integrate Consul with Kubernetes service discovery and automatic configuration
devopsSetup Kubernetes Ingress NGINX with cert-manager for automated SSL certificates
devopsSet up distributed tracing for Node.js and Python microservices with OpenTelemetry and Jaeger
monitoringConfigure Istio security policies with mutual TLS and authorization for Kubernetes service mesh
devopsSet up Jaeger multi-datacenter replication for disaster recovery and high availability
monitoringNeed help?
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