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 PostgreSQL 17 with performance tuning and security hardening
databasesInstall and configure ArgoCD for GitOps continuous deployment with RBAC and SSL
devopsInstall and configure Loki for centralized log aggregation with Grafana integration
monitoringConfigure network interface monitoring with ICMP ping and connectivity testing
networkingRecently published
Configure WireGuard site-to-site VPN connections with advanced routing and security
networkingInstall and configure PgBouncer for PostgreSQL connection pooling with performance optimization
databasesDeploy Podman containers with Kubernetes YAML manifests and kubectl integration
devopsSet up Prometheus Blackbox Exporter for uptime monitoring with SSL and alerting
monitoringMonitor WireGuard VPN server with Prometheus and Grafana dashboards
monitoringNeed help?
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