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
Configure Linux system time synchronization with chrony and NTP hardening
linuxInstall and configure CockroachDB cluster with high availability and distributed SQL
databasesInstall and configure PostgreSQL 17 with performance tuning and security hardening
databasesConfigure network interface monitoring with ICMP ping and connectivity testing
networkingInstall and configure Loki for centralized log aggregation with Grafana integration
monitoringRecently published
Set up Kubernetes custom metrics autoscaling with Prometheus adapter for application-specific scaling
devopsConfigure ArgoCD with SonarQube quality gates for GitOps deployment validation
devopsConfigure Kubernetes resource quotas and limit ranges for namespace-level resource management
devopsSet up Apache Airflow performance monitoring with DataDog agent integration and custom dashboards
monitoringImplement Airflow load balancing with Celery executor for high availability workflows
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