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
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Performance
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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 Loki for centralized log aggregation with Grafana integration
monitoringInstall and configure ArgoCD for GitOps continuous deployment with RBAC and SSL
devopsConfigure network interface monitoring with ICMP ping and connectivity testing
networkingRecently published
Monitor WireGuard VPN server with Prometheus and Grafana dashboards
monitoringConfigure Traefik with Consul service discovery for dynamic load balancing
devopsSetup Grafana alerting with Slack and Microsoft Teams integration
monitoringConfigure nginx reverse proxy for Podman containers with SSL and load balancing
hostingAutomate backup and restore for Ollama models with systemd timers and shell scripts
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