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 Linux system time synchronization with chrony and NTP hardening
linuxConfigure network interface monitoring with ICMP ping and connectivity testing
networkingInstall and configure PostgreSQL 17 with performance tuning and security hardening
databasesInstall and configure ArgoCD for GitOps continuous deployment with RBAC and SSL
devopsRecently published
Configure custom Grafana plugins for specialized monitoring requirements
monitoringConfigure NGINX monitoring with Prometheus and Grafana dashboards for real-time web server performance metrics
monitoringImplement Grafana high availability clustering with PostgreSQL backend and load balancing
monitoringConfigure Spark Kubernetes Operator with MinIO for cloud-native analytics
devopsImplement Airflow DAG security scanning with Bandit and safety checks
securityInstall and configure OpenTelemetry Collector for distributed tracing and observability
Set up OpenTelemetry Collector to gather distributed traces and metrics from your applications. Configure receivers, processors, and exporters for comprehensive observability with Jaeger and Prometheus integration.
Install and configure Vault for secrets management with high availability
Set up HashiCorp Vault with Consul backend for production-grade secrets management. Configure clustering, authentication, policies, and security hardening for enterprise environments.
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